/*
 * lib_common.js :	Common JS among all pages
 *
*/

var OMCHAT_KEYCODE_ENTER = 13;			// keycode for ENTER/RETURN key
var OMCHAT_KEYCODE_ESCAPE = 27;			// keycode for ESCAPE key
var OMCHAT_KEYCODE_TAB = 9;				// keycode for TAB key
var OMCHAT_KEYCODE_BACKSPACE = 8;		// keycode for BACKSPACE key
var OMCHAT_KEYCODE_ARROW_UP = 38;		// keycode for up arrow
var OMCHAT_KEYCODE_ARROW_DOWN = 40;		// keycode for down arrow

function getElement(id)
{
	var r = document.all?document.all[id]:document.getElementById(id);
	return r==null?new Object():r;
}

function getNodeValue(p_item, tagname)
{
	if( !p_item ) return '';

	var ret = '';
	var it = p_item.getElementsByTagName(tagname);
	var ret_firstChild = null;
	if( it.length > 0 )
		ret_firstChild = it.item(0).firstChild;

	if( ret_firstChild != null ) ret = ret_firstChild.nodeValue;

	return ret;
}

// returns the top and left positions of an object
function get_pos(em)
{
	for(var lx = 0,ly = 0; em != null; lx += em.offsetLeft, ly += em.offsetTop, em = em.offsetParent);
	
	return { top: ly, left: lx };
}

function getPageDimensions()
{
	var x, y;
	// all except Explorer
	if( self.innerHeight )
	{
		x = self.innerWidth;
		y = self.innerHeight;
	}
	// Explorer 6 Strict Mode
	else if( document.documentElement && document.documentElement.clientHeight )
	{
		x = document.documentElement.clientWidth;
		y = document.documentElement.clientHeight;
	}
	// other Explorers
	else if( document.body )
	{
		x = document.body.clientWidth;
		y = document.body.clientHeight;
	}

	return { height: y, width: x };
}

function setLocation(url)
{
	location.href = url;
}

function toggleDisplay(emid)
{
	var em = getElement(emid);

	if( em.style.display == 'none' ) em.style.display = 'block';
	else em.style.display = 'none';
}

function toggleDisplay_andText(emid, button, text_do, text_undo)
{
	var em = getElement(emid);

	if( em.style.display == 'none' ) { em.style.display = 'block'; button.innerHTML = text_undo; }
	else { em.style.display = 'none'; button.innerHTML = text_do; }
}

function inputShowHide_OnFocus(input, text)
{
	if( input.value == text )
	{
		input.value = '';
		input.style.color = '#000';
	}
}

function inputShowHide_OnBlur(input, text)
{
	if( input.value.length == 0 )
	{
		input.style.color = '#777';
		input.value = text;
	}
}

function PageQuery(q)
{
	if(q.length > 1) this.q = q.substring(1, q.length);
	else this.q = null;
	this.keyValuePairs = new Array();
	if( q )
	{
		for(var i=0;i < this.q.split('&').length;i++)
		{
			this.keyValuePairs[i] = this.q.split('&')[i];
		}
	}
	this.getKeyValuePairs = function() { return this.keyValuePairs; }
	this.getValue = function(s)
	{
		for(var j=0;j < this.keyValuePairs.length;j++)
		{
			if( this.keyValuePairs[j].split('=')[0] == s )
				return this.keyValuePairs[j].split('=')[1];
		}

		return false;
	}

	this.getParameters = function()
	{
		var a = new Array( this.getLength() );
		for(var j = 0;j < this.keyValuePairs.length;j++)
		{
			a[j] = this.keyValuePairs[j].split('=')[0];
		}

		return a;
	}

	this.getLength = function() { return this.keyValuePairs.length; }
}

function queryString(url, key)
{
	var page = new PageQuery(queryString_get_query_from_url(url));
	return unescape( page.getValue(key) );
}

function queryString_get_add_q_or_amp(url)
{
	var pq = new PageQuery(queryString_get_query_from_url(url));
	if( pq.getKeyValuePairs().length > 0 )
		return '&';
	else
		return '?';
}

function queryString_get_query_from_url(url)
{
	if( url.indexOf('?') != -1 )
		return url.substring(url.indexOf('?'));
	else
		return '';
}//*** This code is copyright 2003 by Gavin Kistner, gavin@refinery.com
//*** It is covered under the license viewable at http://phrogz.net/JS/_ReuseLicense.txt
//*** Reuse or modification is free provided you abide by the terms of that license.
//*** (Including the first two lines above in your source code satisfies the conditions.)


//***Cross browser attach event function. For 'evt' pass a string value with the leading "on" omitted
//***e.g. AttachEvent(window,'load',MyFunctionNameWithoutParenthesis,false);

function AttachEvent(obj,evt,fnc,useCapture){
	if (!useCapture) useCapture=false;
	if (obj.addEventListener){
		obj.addEventListener(evt,fnc,useCapture);
		return true;
	} else if (obj.attachEvent) return obj.attachEvent("on"+evt,fnc);
	else{
		MyAttachEvent(obj,evt,fnc);
		obj['on'+evt]=function(){ MyFireEvent(obj,evt) };
	}
} 

// The following are for browsers like NS4 or IE5Mac which don't support either
// attachEvent or addEventListener
function MyAttachEvent(obj,evt,fnc){
	if (!obj.myEvents) obj.myEvents={};
	if (!obj.myEvents[evt]) obj.myEvents[evt]=[];
	var evts = obj.myEvents[evt];
	evts[evts.length]=fnc;
}
function MyFireEvent(obj,evt){
	if (!obj || !obj.myEvents || !obj.myEvents[evt]) return;
	var evts = obj.myEvents[evt];
	for (var i=0,len=evts.length;i<len;i++) evts[i]();
}/*
 * lib_email_valid.js :	Client-side javascript email address validation
 *
*/

function email_valid(email)
{
	return email.match(new RegExp('^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{1,4})+$'));
}sfHover = function() {
	var sfEm = document.getElementById("nav");
	if( sfEm != null )
	{
		var sfEls = sfEm.getElementsByTagName("LI");
		for (var i=0; i<sfEls.length; i++) {
			sfEls[i].onmouseover=function() {
				this.className+="sfhover";
			}
			sfEls[i].onmouseout=function() {
				this.className=this.className.replace(new RegExp("sfhover\\b"), "");
			}
		}
	}
}
if( window.attachEvent ) window.attachEvent("onload", sfHover);/*
 * lib_user_action_items_mark.js	:	Mark items as read
 *
*/

function user_action_items_mark_read(userid, item_type, type_refid, refid)
{
	xmlhttp_request('/CMS/php/xml_db_items_mark_read.php', 'userid='+userid+'&item_type='+item_type+'&type_refid='+type_refid+'&refid='+refid, 'POST', xmlhttp_processxml, xmlhttp_error, true, true);
}/*
 * lib_nav_pages.js : Pages list
 *
*/

// if exec_fn, execute exec_fn(), otherwise set location to the suburi + page number
function nav_pages_changeblocks(maxpages_atatime, changetype, npages, npage, suburi, exec_fn, id_prefix)
{
	var firstvalue = parseInt(document.getElementById(id_prefix+'pages_block1').innerHTML);
	if( changetype == 'back' )
	{
		firstvalue -= maxpages_atatime;
	}
	var arrow_forward = document.getElementById(id_prefix+'pages_forwardarrow');
	var arrow_back = document.getElementById(id_prefix+'pages_backarrow');
	for(var i = firstvalue;i < firstvalue+maxpages_atatime;i++)
	{
		var em = document.getElementById(id_prefix+'pages_block'+(i-firstvalue+1));
		
		var page = parseInt(em.innerHTML);
		// clicked forward arrow
		if( changetype == 'forward' )
		{
			em.innerHTML = page + maxpages_atatime;
			nav_pages_block_out(arrow_back);
			arrow_back.style.display = 'block';
			if( i == npages - maxpages_atatime )
			{
				arrow_forward.style.display = 'none';
			}
		}
		// clicked back arrow
		else
		{
			em.innerHTML = page - maxpages_atatime;
			arrow_forward.style.display = 'block';
			nav_pages_block_out(arrow_forward);
			if( i == 1 )
			{
				arrow_back.style.display = 'none';
			}
		}

		// hide page, ie if on 9 and 10 doesn't exist (maxpages_atatime=2)
		if( i + maxpages_atatime > npages && changetype == 'forward' )
			em.style.display = 'none';
		else
			em.style.display = 'block';
		var emvalue = parseInt(em.innerHTML);
		if( emvalue == npage )
		{
			em.className = 'pages_selected';
			nav_pages_block_clear(em);
			em.onmouseover = function() { }
			em.onmouseout = function() { }
			em.onclick = function() { }
		}
		else
		{
			if( parseInt(emvalue) < 1 )
			{
				em.style.display = 'none';
			}
			else
			{
				em.className = 'pages_block';
				if( emvalue == '1' )
					em.href = suburi.replace('page', '');
				else
					em.href = suburi+emvalue;
				nav_pages_block_out(em);
				/*if( !exec_fn )
					em.onclick = nav_pages_onclick_closure(suburi+emvalue);
				else
					em.onclick = exec_fn;
				em.onmouseover = nav_pages_block_hover_closure(em);
				em.onmouseout = nav_pages_block_out_closure(em);*/
			}
		}
	}
}

function nav_pages_block_hover_closure(em)
{
	return function() { nav_pages_block_hover(em); }
}

function nav_pages_block_out_closure(em)
{
	// this is nav_pages_block_out() but js doesn't like that
	return function() { em.className = 'pages_block'; }
}

function nav_pages_onclick_closure(loc)
{
	return function() { nav_pages_onclick(loc); }
}

function nav_pages_onclick(loc)
{
	location.href = loc;
}

function nav_pages_block_hover(em)
{
	em.className = 'pages_block_hover';
}

// nb: must also complete nav_pages_block_out_closure() above
function nav_pages_block_out(em)
{
	em.className = 'pages_block';
}

function nav_pages_block_clear(em)
{
	/*em.style.background = 'none';*/
}/*
 * lib_form.js :	Forms
 *
*/

var OMCHAT_DESCRIPTION_DELAY = 400;
var omchat_description_timer;

// run omchat_form_description_hover() after some delay
function omchat_form_description_hover_delayed(em, description)
{
	omchat_description_timer = setTimeout(function() { omchat_form_description_hover(em, description); }, OMCHAT_DESCRIPTION_DELAY);
}

function omchat_form_description_hover(em, description)
{
	clearTimeout(omchat_description_timer); omchat_description_timer = null;
	if( description.length == 0 ) return;

	var popup = document.createElement('div');
	popup.className = 'omchat_tidbit_popup_nowidth';
	popup.id = 'omchat_tidbit_popup_div';
	
	var pos = get_pos(em);
	
	popup.appendChild(document.createTextNode(description));
	
	popup.style.left = (pos.left+em.offsetWidth+7) + 'px';
	popup.style.top = (pos.top+1)+'px';

	document.body.appendChild(popup);

	// if we are showing the popup outside the view of the page (too much to the right) then show it on the left instead
	if( !(pos.left+em.offsetWidth+1+popup.offsetWidth < document.body.clientWidth) )
	{
		popup.style.left = (pos.left-popup.offsetWidth-14) + 'px';
		popup.style.top = (pos.top+1)+'px';
	}
}

function omchat_form_description_above_hover_delayed(em, description)
{
	omchat_description_timer = setTimeout(function() { omchat_form_description_above_hover(em, description); }, OMCHAT_DESCRIPTION_DELAY);
}
function omchat_form_description_above_hover(em, description)
{
	clearTimeout(omchat_description_timer); omchat_description_timer = null;
	if( description.length == 0 ) return;

	var popup = document.createElement('div');
	popup.className = 'omchat_tidbit_popup_nowidth';
	popup.id = 'omchat_tidbit_popup_div';
	
	var pos = get_pos(em);

	popup.appendChild(document.createTextNode(description));
	
	popup.style.display = 'block';
	popup.style.top = (pos.top-popup.clientHeight+em.offsetHeight-2)+'px';
	popup.style.left = (pos.left+em.offsetWidth+10)+'px';

	document.body.appendChild(popup);
}
function omchat_form_description_above_hover_closure(description)
{
	return function() { omchat_form_description_above_hover_delayed(this, description); }
}

function omchat_form_description_out()
{
	clearTimeout(omchat_description_timer); omchat_description_timer = null;
	var popup1 = document.getElementById('omchat_tidbit_popup_div');
	var popup2 = document.getElementById('omchat_tidbit_popup_div_fixedwidth');
	if( popup1 != null ) document.body.removeChild(popup1); //popup1.style.display = 'none';
	if( popup2 != null ) document.body.removeChild(popup2); //popup2.style.display = 'none';
}

// hover over info icon in a form, then the tidbit popup appears under the form field text
function omchat_form_fielddescription_hover(em, description, fixedwidth)
{
	if( description.length == 0 ) return;

	var popup = document.createElement('div');
	if( fixedwidth )
	{
		popup.className = 'omchat_tidbit_popup';
		popup.id = 'omchat_tidbit_popup_div_fixedwidth';
	}
	else
	{
		popup.className = 'omchat_tidbit_popup_nowidth';
		popup.id = 'omchat_tidbit_popup_div';
	}

	var pos = get_pos(em);

	popup.appendChild(document.createTextNode(description));

	popup.style.top = (pos.top+em.offsetHeight+1)+'px';
	popup.style.left = (pos.left)+'px';

	document.body.appendChild(popup);
}

// users clicks tag icon near a textarea. this opens a new window with list of effective tags that user can click on to add to the textbox
// browse_feed_tags is true if we're browsing feed tags join on join_on
// otherwise browse_feed_tags is false and we're browsing all category tags
function omchat_form_textarea_tag_onclick(emid, tagtype)
{
	// create a string of content type tags that are selected
	var join_on = tag_get_tags_from_checkboxes('omchat_category_tag_content_type');

	var tags = getElement(emid).value;

	omchat_floatwindow_showhide('omchat_tags_browse_div'+tagtype, getElement('omchat_tags_browse_div'+tagtype+'_close'));
	if( join_on.length > 0 )
	{
		// asynchronously get the tags for the given content type (in `join_on` variable)
		omchat_tag_span_onclick('', true, tagtype, emid)
	}
}

function form_submit_enable_set(formid, enabled)
{
	getElement('omchat_'+formid+'_submit').disabled = !enabled;
}

// returns price (including cents) from a price given in a text input
// i.e. 15.00 because 1500, 1.50 because 150, 15 becomes 1500, etc
function form_price_get(em_id, progress_em)
{
	var price, price_cents;

	price = getElement(em_id).value;

	// separate price and cents
	if( price.indexOf('.') != -1 )
	{
		price_cents = price.substr(price.indexOf('.')+1);
		if( price_cents >= 100 )
		{
			progress_em.innerHTML = 'Invalid price.';
			return '';
		}
		else
		{
			price = price.substr(0, price.indexOf('.'));
		}
	}
	else price_cents = 0;

	if( price.length > 0 )
	{
		price = price.replace(/[^\d]/g, ''); // remove non-numerics

		if( isNaN(price = parseInt(price)) || isNaN(price_cents = parseInt(price_cents)) )
		{
			progress_em.innerHTML = 'Invalid price.';
			return false;
		}

		// NB: price saved in cents
		return (price*100)+price_cents;
	}
	else return '';
}/*
 * lib_form_textbox.js	:	Textbox functionality
 *
*/

function form_textbox_maximize(emid, icon_em)
{
	var em = getElement(emid);

	em.className = 'form_text_area_largest_fixed';
	icon_em.src = '/CMS/images/icon_restore.gif';
	icon_em.onclick = function() { form_textbox_restore(emid, icon_em); }
	icon_em.onmouseover = function() { omchat_form_fielddescription_hover(em, 'Contract this textbox', true); }
}

function form_textbox_restore(emid, icon_em)
{
	var em = getElement(emid);

	em.className = 'form_text_area';
	icon_em.src = '/CMS/images/icon_maximize.gif';
	icon_em.onclick = function() { form_textbox_maximize(emid, icon_em); }
	icon_em.onmouseover = function() { omchat_form_fielddescription_hover(em, 'Expand this textbox', true); }
}/*
 * lib_xmlhttp.js : General XMLHTTP functions
 *
*/

/** XHConn - Simple XMLHTTP Interface - bfults@gmail.com - 2005-04-08        **
 ** Code licensed under Creative Commons Attribution-ShareAlike License      **
 ** http://creativecommons.org/licenses/by-sa/2.0/                           **/
function xmlhttp_connect()
{
	var xmlhttp, bComplete = false;
	try { xmlhttp = new ActiveXObject('Msxml2.XMLHTTP'); }
	catch (e) { try { xmlhttp = new ActiveXObject('Microsoft.XMLHTTP'); }
	catch (e) { try { xmlhttp = new XMLHttpRequest(); }
	catch (e) { xmlhttp = false; }}}
	if (!xmlhttp) return null;
	this.connect = function(sURL, sVars, sMethod, fnDone, sReturnXML, sbAsynchronous)
	{
		if (!xmlhttp) return false;
		bComplete = false;
		sMethod = sMethod.toUpperCase();

		try {
			if( sMethod == 'GET' )
			{
				xmlhttp.open(sMethod, sURL+'?'+sVars, sbAsynchronous);
				sVars = '';
			}
			else
			{
				xmlhttp.open(sMethod, sURL, sbAsynchronous);
				xmlhttp.setRequestHeader('Method', 'POST '+sURL+' HTTP/1.1');
				xmlhttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
		}
		xmlhttp.onreadystatechange = function()
		{
			if( xmlhttp.readyState == 4 && !bComplete )
			{
				bComplete = true;
				if( sReturnXML )
					fnDone(xmlhttp.responseXML);
				else
					fnDone(xmlhttp.responseText);
			}
		};
		xmlhttp.send(sVars);
	}
	catch(z) { return false; }
	return true;
	};
	return this;
}

// reusable xml http request method
function xmlhttp_request(url, params, request_method, callback_function, error_function, return_xml, bAsynchronous)
{
	var myConn = new xmlhttp_connect();
	if( !myConn ) error_function();
	else myConn.connect(url, params, request_method, callback_function, return_xml, bAsynchronous);
}

function xmlhttp_error(errorcode)
{
	alert('An error occurred. Please refresh the page. (press F5)');
}

function xmlhttp_processxml(xml)
{
	// do nothing
}

function xmlhttp_processxml_msg_only(xml)
{
	/*
	 * XML output format
	 *
	 *	<?xml ?>
	 *	<items>
     *		<item>
     *			<msg></msg>
     *?			<form_id></form_id>
     *?			<div_hide_id></div_hide_id>
	 *		</item>
	 *	</items>
	*/

	// get the items in the xml document
	var items = xml.documentElement.getElementsByTagName('item');

	var msg = getNodeValue(items.item(0), 'msg');
	var form_id = getNodeValue(items.item(0), 'form_id');
	var div_hide_id = getNodeValue(items.item(0), 'div_hide_id');

	var progress_em, submit_em;
	var progress_em_id = 'omchat_'+form_id+'_progress';
	var submit_em_id = 'omchat_'+form_id+'_submit';
	if( (progress_em = document.getElementById(progress_em_id)) != null )
		progress_em.innerHTML = msg;
	if( (submit_em = document.getElementById(submit_em_id)) != null )
		submit_em.disabled = false;

	if( div_hide_id.length > 0 ) getElement(div_hide_id).style.display = 'none';
}

function xmlhttp_getNodeValue(p_item, tagname)
{
	if( !p_item ) return '';

	var ret = '';
	var it = p_item.getElementsByTagName(tagname);
	var ret_firstChild = null;
	if( it.length > 0 )
		ret_firstChild = it.item(0).firstChild;

	if( ret_firstChild != null ) ret = ret_firstChild.nodeValue;

	return ret;
}/*
 * lib_preload_images.js :	Preload all images on the page
 *
*/

function omchat_preload_images()
{
	var images = new Array('button_edit.gif', 'button_edit2.gif', 'button_change.gif', 'button_change2.gif');
	var images_arr = new Array();
	
	for(var i = 0;i < images.length;i++)
	{
		images_arr[i] = document.createElement('img');
		images_arr[i].setAttribute('src', '/CMS/images/'+images[i]);
	}
}/*
 * lib_onload.js :	Onload functions
 *
*/

function omchat_onload(bSaveGMTOffset, em_id_to_follow_scrollbar, initRightClick)
{
	// preload images
	omchat_preload_images();

	// init right click flash context menu
	if( initRightClick )
		RightClick.init();

	// if screen width is <= 800
	// then set widths of key elements to fit a screen of 800 width
	if( screen.width <= 800 )
	{
		var new_width = 777;
		// remember body's old width
		var body_width_old = document.body.clientWidth;
		document.body.style.width = new_width+'px';
		getElement('4').style.width = new_width+'px';
		var content_main = document.getElementById('content_main');
		if( content_main != null )
		{
			var content_main_width_old = content_main.style.width.replace(/px/, '');
			content_main.style.width = (new_width-(body_width_old-content_main_width_old))+'px';
		}
	}

	// send GMT offset value to server and store in SESSION vars (asynchronously)
	if( bSaveGMTOffset )
	{
		var date_now = new Date();
		var offset = date_now.getTimezoneOffset();
		xmlhttp_request('/CMS/php/xml_GMT_offset_save.php', 'offset='+offset, 'POST', xmlhttp_processxml, xmlhttp_error, true, true);
	}

	// Scrollbar following window float
	if( em_id_to_follow_scrollbar.length > 0 )
		window.onscroll = function() { scrollToScrollbar(em_id_to_follow_scrollbar); }

	// XHTML standards compliant target="_blank" as rel="external"
	var a_links = document.getElementsByTagName('a');
	for(var i = 0;i < a_links.length;i++)
		if( a_links[i].getAttribute('rel') == 'external' )
			a_links[i].target = '_blank';

	// Show (terms of use or site status) float windows (if exists)
	var win_float;
	if( (win_float = document.getElementById('omchat_window_float_terms')) != null )
		window_float_show(win_float);
	if( (win_float = document.getElementById('omchat_window_float_site_status')) != null )
		window_float_show(win_float);

	// Fix CSS popups for IE
	if( document.all && document.getElementById )
	{
		var ul_ems = document.getElementsByTagName('ul');
		for(var j = 0;j < ul_ems.length;j++)
		{
			if( ul_ems[j].className == 'popup' )
			{
				for(i = 0;i < ul_ems[j].childNodes.length;i++)
				{
					node = ul_ems[j].childNodes[i];
					if( node.nodeName == "LI" )
					{
						node.onmouseover = function()
						{
							this.className += " over";
						}
						node.onmouseout = function()
						{
							this.className = this.className.replace(" over", "");
						}
					}
				}
			}
		}
	}
}/*
 * lib_scroll.js : Scrolling functions
 *
*/

function scrollToTop()
{
	if( (document.documentElement) && (document.documentElement.scrollTop||document.documentElement.scrollTop==0) )
		document.documentElement.scrollTop = 0;
	else if( document.body )
		document.body.scrollTop = 0;
}

function scrollToBottom()
{
	if( (document.documentElement) && (document.documentElement.scrollTop||document.documentElement.scrollTop==0) )
		document.documentElement.scrollTop = document.body.scrollHeight;
	else if( document.body )
		document.body.scrollTop = document.body.scrollHeight;
}

function getScrollTop()
{
	if( (document.documentElement) && (document.documentElement.scrollTop||document.documentElement.scrollTop==0) )
		return document.documentElement.scrollTop;
	else
		return document.body.scrollTop;
}

function setScrollTop(top)
{
	if( (document.documentElement) && (document.documentElement.scrollTop||document.documentElement.scrollTop==0) )
		document.documentElement.scrollTop = top;
	else if( document.body )
		document.body.scrollTop = top;
}

function scrollToView(top, em_height)
{
	var page_dimensions = getPageDimensions();
	var dif = Math.abs(top - getScrollTop());
	if( (dif+em_height) > page_dimensions.height )
	{
		var extra =  em_height + 50 - Math.abs(page_dimensions.height - Math.abs(getScrollTop() - top));
		setScrollTop(getScrollTop()+extra);
	}
}

function scrollToScrollbar(em_id)
{
	var em = getElement(em_id);

	em.style.top = getScrollTop()+(document.documentElement.clientHeight/2)-(em.clientHeight)+10+'px';
}/* =================================================================================================
* AlphaOpacity component - by Mark Wubben
* November 2, 2003; version 1.0
* http://neo.dzygn.com/code/alphaopacity
*
* AlphaOpacity provides methods to get and set the alpha opacity on nodes, crossbrowser
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.

* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
* GNU General Public License for more details.

* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
==================================================================================================*/

//=====================================================================
// object AlphaOpacity
//=====================================================================
var AlphaOpacity = {
	//=====================================================================
	// AlphaOpacity properties (all public)
	//=====================================================================
	isSupported : null,
	isInitiated : false,

	//=====================================================================
	// AlphaOpacity properties (all private)
	//=====================================================================
	_isIE : false,
	_property : null,
	_regExpGet : null,
	_regExpSet : null,

	//=====================================================================
	// AlphaOpacity methods (all public)
	//=====================================================================
	initiate : function(oNode){
		this.isSupported = true;
		if(typeof oNode.style.MozOpacity != "undefined"){
			this._property = "MozOpacity";
		} else if(typeof oNode.style.opacity != "undefined"){
			this._property = "opacity";
		} else if(typeof oNode.style.KhtmlOpacity != "undefined"){
			this._property = "KhtmlOpacity";
		} else if(typeof oNode.style.filter != "undefined"){
			this._property = "filter";
			this._isIE = true;
			this._regExpGet = /.*opacity=([0-9]+).*/; // IE doesn't seem to understand \d
			this._regExpSet = /(.*opacity=)[0-9]+(.*)/;
		} else {
			this.isSupported = false;
		}
		
		this.isInitiated = true;
	},

	set : function(oNode, nValue){
		if(!this.isInitiated){ this.initiate(oNode); }
		if(!this.isSupported){ return null; }	

		nValue = Math.round(nValue);

		if(!this._isIE){
			oNode.style[this._property] = nValue / 100;
			return nValue;
		} else if(this.get(oNode) != null){ // In IE we could be dealing with multiple filters
			oNode.style[this._property] = (oNode.currentStyle ? oNode.currentStyle[this._property] : oNode.style[this._property]).replace(this._regExpSet, "$1" + nValue + "$2");
			return nValue;
		} else {
			oNode.style[this._property] +=  "alpha(opacity=" + nValue + ")";
			return nValue;
		}

		return null;
	},
	
	get : function(oNode){
		var sStyle;

		if(!this.isInitiated){ this.initiate(oNode); }
		if(!this.isSupported){ return null; }

		sStyle = document.defaultView ? document.defaultView.getComputedStyle(oNode, null)[this._property] : oNode.currentStyle ? oNode.currentStyle[this._property] : oNode.style[this._property];
		if(!this._isIE){
			return isNaN(sStyle) ? null : sStyle * 100;
		} else {
			return sStyle.match(this._regExpGet) ? sStyle.replace(this._regExpGet, "$1") : null;
		}
		
		return null;
	}
}/*
 * lib_blackness.js :	Show and hide a dark layer above the entire page
 *
*/

function blackness_show(floatwindow)
{
	var height_extra = 0;
	var floatwindow_top = parseInt(floatwindow.style.top.replace(/(\d+)px/, '$1'));
	if( getScrollTop()+getPageDimensions().height < floatwindow_top+floatwindow.clientHeight )
		height_extra = (floatwindow_top+floatwindow.clientHeight) - (getScrollTop()+getPageDimensions().height);

	// hide the scrollbars
	//document.documentElement.style.overflow = 'hidden';
	// show a transparent blackness around the entire page
	var black = document.createElement('div');
	black.id = 'window_black';
	black.style.height = (document.body.clientHeight+height_extra) + 'px';
	black.style.width = (document.documentElement.scrollWidth) + 'px';
	document.body.appendChild(black);
	AlphaOpacity.set(black, 35);
}

function blackness_hide()
{
	// show the scrollbars
	//document.documentElement.style.overflow = 'auto';
	// remove the blackness covering the entire page
	document.body.removeChild(getElement('window_black'));
}/*
 * lib_window_float.js :	Show a window floating above the page
 *
*/

function window_float_showhide(divid)
{
	// show the floated feed add div
	var div = getElement(divid);
	
	if( div.style.display == 'block' ) // already showing, hide it
	{
		window_float_hide(divid);
		return false;
	}	
	
	window_float_show(div);
	return true;
}

function window_float_show(div)
{	
	var content_main = getElement('content_main');
	var content_center;
	if( (content_center = document.getElementById('content_center')) == null )
		content_center = content_main;
	var content_center_pos = get_pos(content_center);

	if( content_center_pos.top < getScrollTop() - 3 )
		div.style.top = (getScrollTop() - 3) + 'px';
	else
		div.style.top = (content_center_pos.top) + 'px';
	div.style.display = 'block';
	// centered to page
	div.style.left = (content_center_pos.left) + (content_main.clientWidth/2) - (div.clientWidth/2) + 'px';

	window_float_setup(div);

	blackness_show(div);
}

function window_float_setup(div)
{
	// set so when user presses escape, it hides the div
	document.onkeydown = function(evt) { var e = evt || window.event; if(e.keyCode==27) window_float_hide(div.id); return true; }
}

function window_float_hide_closure(divid)
{
	return function() { window_float_hide(divid); }
}

function window_float_hide(divid)
{
	blackness_hide();

	// unset so when user presses escape, it hides the div
	//document.onkeydown = function() { }

	// hide the floated feed add div
	var div = getElement(divid);
	div.style.display = 'none';
}

// show "Loading..." message in a floating window
function window_float_loading_show(divid)
{
	var div = getElement(divid);
	while( div.hasChildNodes() ) div.removeChild( div.lastChild );
	var p = document.createElement('p');
	p.className = 'hello';
	p.appendChild(document.createTextNode('Loading...'));
	div.appendChild(p);
}

function window_is_hidden(divid)
{
	var window = document.getElementById(divid);

	if( window == null ) return true;

	return window.style.display != 'block';
}

function window_create(id, title)
{
	var window = document.createElement('div');
	window.className = 'window_float';
	window.id = id;
	var h3 = document.createElement('h3');
	h3.id = window.id+'_header';
	h3.appendChild(document.createTextNode(title));
	window.appendChild(h3);
	var img_close = document.createElement('img');
	img_close.className = 'close';
	img_close.onclick = window_float_hide_closure(id);
	img_close.src = '/images/window_float_close.gif';
	img_close.alt = 'Close'; img_close.title = 'Close';
	window.appendChild(img_close);
	var div_body = document.createElement('div');
	div_body.className = 'window_float_body';
	div_body.id = window.id+'_content';

	window.appendChild(div_body);
	
	document.body.appendChild(window);
}

// show floatwindow `div` under element `em`
function window_float_show_under(divid, em, offsetHeight)
{
	omchat_form_description_out(); // hide tidbit popup

	var div = getElement(divid);

	window_float_setup(div);

	var em_pos = get_pos(em);

	div.style.left = (em_pos.left) + 'px';

	div.style.display = 'block';
	var top = (em_pos.top + em.offsetHeight+10+offsetHeight);
	div.style.top = top + 'px';

	// if floatwindow is out of viewable area, scroll to make it viewable
	scrollToView(top, div.clientHeight);

	blackness_show(div);

	return true;
} /****************************************************************
  *                                                              *
  *  curvyCorners                                                *
  *  ------------                                                *
  *                                                              *
  *  This script generates rounded corners for your divs.        *
  *                                                              *
  *  Version 1.2.9                                               *
  *  Copyright (c) 2006 Cameron Cooke                            *
  *  By: Cameron Cooke and Tim Hutchison.                        *
  *                                                              *
  *                                                              *
  *  Website: http://www.curvycorners.net                        *
  *  Email:   info@totalinfinity.com                             *
  *  Forum:   http://www.curvycorners.net/forum/                 *
  *                                                              *
  *                                                              *
  *  This library is free software; you can redistribute         *
  *  it and/or modify it under the terms of the GNU              *
  *  Lesser General Public License as published by the           *
  *  Free Software Foundation; either version 2.1 of the         *
  *  License, or (at your option) any later version.             *
  *                                                              *
  *  This library is distributed in the hope that it will        *
  *  be useful, but WITHOUT ANY WARRANTY; without even the       *
  *  implied warranty of MERCHANTABILITY or FITNESS FOR A        *
  *  PARTICULAR PURPOSE. See the GNU Lesser General Public       *
  *  License for more details.                                   *
  *                                                              *
  *  You should have received a copy of the GNU Lesser           *
  *  General Public License along with this library;             *
  *  Inc., 59 Temple Place, Suite 330, Boston,                   *
  *  MA 02111-1307 USA                                           *
  *                                                              *
  ****************************************************************/
  
var isIE = navigator.userAgent.toLowerCase().indexOf("msie") > -1; var isMoz = document.implementation && document.implementation.createDocument; var isSafari = ((navigator.userAgent.toLowerCase().indexOf('safari')!=-1)&&(navigator.userAgent.toLowerCase().indexOf('mac')!=-1))?true:false; function curvyCorners()
{ if(typeof(arguments[0]) != "object") throw newCurvyError("First parameter of curvyCorners() must be an object."); if(typeof(arguments[1]) != "object" && typeof(arguments[1]) != "string") throw newCurvyError("Second parameter of curvyCorners() must be an object or a class name."); if(typeof(arguments[1]) == "string")
{ var startIndex = 0; var boxCol = getElementsByClass(arguments[1]);}
else
{ var startIndex = 1; var boxCol = arguments;}
var curvyCornersCol = new Array(); if(arguments[0].validTags)
var validElements = arguments[0].validTags; else
var validElements = ["div"]; for(var i = startIndex, j = boxCol.length; i < j; i++)
{ var currentTag = boxCol[i].tagName.toLowerCase(); if(inArray(validElements, currentTag) !== false)
{ curvyCornersCol[curvyCornersCol.length] = new curvyObject(arguments[0], boxCol[i]);}
}
this.objects = curvyCornersCol; this.applyCornersToAll = function()
{ for(var x = 0, k = this.objects.length; x < k; x++)
{ this.objects[x].applyCorners();}
}
}
function curvyObject()
{ this.box = arguments[1]; this.settings = arguments[0]; this.topContainer = null; this.bottomContainer = null; this.masterCorners = new Array(); this.contentDIV = null; var boxHeight = get_style(this.box, "height", "height"); var boxWidth = get_style(this.box, "width", "width"); var borderWidth = get_style(this.box, "borderTopWidth", "border-top-width"); var borderColour = get_style(this.box, "borderTopColor", "border-top-color"); var boxColour = get_style(this.box, "backgroundColor", "background-color"); var backgroundImage = get_style(this.box, "backgroundImage", "background-image"); var boxPosition = get_style(this.box, "position", "position"); var boxPadding = get_style(this.box, "paddingTop", "padding-top"); this.boxHeight = parseInt(((boxHeight != "" && boxHeight != "auto" && boxHeight.indexOf("%") == -1)? boxHeight.substring(0, boxHeight.indexOf("px")) : this.box.scrollHeight)); this.boxWidth = parseInt(((boxWidth != "" && boxWidth != "auto" && boxWidth.indexOf("%") == -1)? boxWidth.substring(0, boxWidth.indexOf("px")) : this.box.scrollWidth)); this.borderWidth = parseInt(((borderWidth != "" && borderWidth.indexOf("px") !== -1)? borderWidth.slice(0, borderWidth.indexOf("px")) : 0)); this.boxColour = format_colour(boxColour); this.boxPadding = parseInt(((boxPadding != "" && boxPadding.indexOf("px") !== -1)? boxPadding.slice(0, boxPadding.indexOf("px")) : 0)); this.borderColour = format_colour(borderColour); this.borderString = this.borderWidth + "px" + " solid " + this.borderColour; this.backgroundImage = ((backgroundImage != "none")? backgroundImage : ""); this.boxContent = this.box.innerHTML; if(boxPosition != "absolute") this.box.style.position = "relative"; this.box.style.padding = "0px"; if(isIE && boxWidth == "auto" && boxHeight == "auto") this.box.style.width = "100%"; if(this.settings.autoPad == true && this.boxPadding > 0)
this.box.innerHTML = ""; this.applyCorners = function()
{ for(var t = 0; t < 2; t++)
{ switch(t)
{ case 0:
if(this.settings.tl || this.settings.tr)
{ var newMainContainer = document.createElement("DIV"); newMainContainer.style.width = "100%"; newMainContainer.style.fontSize = "1px"; newMainContainer.style.overflow = "hidden"; newMainContainer.style.position = "absolute"; newMainContainer.style.paddingLeft = this.borderWidth + "px"; newMainContainer.style.paddingRight = this.borderWidth + "px"; var topMaxRadius = Math.max(this.settings.tl ? this.settings.tl.radius : 0, this.settings.tr ? this.settings.tr.radius : 0); newMainContainer.style.height = topMaxRadius + "px"; newMainContainer.style.top = 0 - topMaxRadius + "px"; newMainContainer.style.left = 0 - this.borderWidth + "px"; this.topContainer = this.box.appendChild(newMainContainer);}
break; case 1:
if(this.settings.bl || this.settings.br)
{ var newMainContainer = document.createElement("DIV"); newMainContainer.style.width = "100%"; newMainContainer.style.fontSize = "1px"; newMainContainer.style.overflow = "hidden"; newMainContainer.style.position = "absolute"; newMainContainer.style.paddingLeft = this.borderWidth + "px"; newMainContainer.style.paddingRight = this.borderWidth + "px"; var botMaxRadius = Math.max(this.settings.bl ? this.settings.bl.radius : 0, this.settings.br ? this.settings.br.radius : 0); newMainContainer.style.height = botMaxRadius + "px"; newMainContainer.style.bottom = 0 - botMaxRadius + "px"; newMainContainer.style.left = 0 - this.borderWidth + "px"; this.bottomContainer = this.box.appendChild(newMainContainer);}
break;}
}
if(this.topContainer) this.box.style.borderTopWidth = "0px"; if(this.bottomContainer) this.box.style.borderBottomWidth = "0px"; var corners = ["tr", "tl", "br", "bl"]; for(var i in corners)
{ if(i > -1 < 4)
{ var cc = corners[i]; if(!this.settings[cc])
{ if(((cc == "tr" || cc == "tl") && this.topContainer != null) || ((cc == "br" || cc == "bl") && this.bottomContainer != null))
{ var newCorner = document.createElement("DIV"); newCorner.style.position = "relative"; newCorner.style.fontSize = "1px"; newCorner.style.overflow = "hidden"; if(this.backgroundImage == "")
newCorner.style.backgroundColor = this.boxColour; else
newCorner.style.backgroundImage = this.backgroundImage; switch(cc)
{ case "tl":
newCorner.style.height = topMaxRadius - this.borderWidth + "px"; newCorner.style.marginRight = this.settings.tr.radius - (this.borderWidth*2) + "px"; newCorner.style.borderLeft = this.borderString; newCorner.style.borderTop = this.borderString; newCorner.style.left = -this.borderWidth + "px"; break; case "tr":
newCorner.style.height = topMaxRadius - this.borderWidth + "px"; newCorner.style.marginLeft = this.settings.tl.radius - (this.borderWidth*2) + "px"; newCorner.style.borderRight = this.borderString; newCorner.style.borderTop = this.borderString; newCorner.style.backgroundPosition = "-" + (topMaxRadius + this.borderWidth) + "px 0px"; newCorner.style.left = this.borderWidth + "px"; break; case "bl":
newCorner.style.height = botMaxRadius - this.borderWidth + "px"; newCorner.style.marginRight = this.settings.br.radius - (this.borderWidth*2) + "px"; newCorner.style.borderLeft = this.borderString; newCorner.style.borderBottom = this.borderString; newCorner.style.left = -this.borderWidth + "px"; newCorner.style.backgroundPosition = "-" + (this.borderWidth) + "px -" + (this.boxHeight + (botMaxRadius + this.borderWidth)) + "px"; break; case "br":
newCorner.style.height = botMaxRadius - this.borderWidth + "px"; newCorner.style.marginLeft = this.settings.bl.radius - (this.borderWidth*2) + "px"; newCorner.style.borderRight = this.borderString; newCorner.style.borderBottom = this.borderString; newCorner.style.left = this.borderWidth + "px"
newCorner.style.backgroundPosition = "-" + (botMaxRadius + this.borderWidth) + "px -" + (this.boxHeight + (botMaxRadius + this.borderWidth)) + "px"; break;}
}
}
else
{ if(this.masterCorners[this.settings[cc].radius])
{ var newCorner = this.masterCorners[this.settings[cc].radius].cloneNode(true);}
else
{ var newCorner = document.createElement("DIV"); newCorner.style.height = this.settings[cc].radius + "px"; newCorner.style.width = this.settings[cc].radius + "px"; newCorner.style.position = "absolute"; newCorner.style.fontSize = "1px"; newCorner.style.overflow = "hidden"; var borderRadius = parseInt(this.settings[cc].radius - this.borderWidth); for(var intx = 0, j = this.settings[cc].radius; intx < j; intx++)
{ if((intx +1) >= borderRadius)
var y1 = -1; else
var y1 = (Math.floor(Math.sqrt(Math.pow(borderRadius, 2) - Math.pow((intx+1), 2))) - 1); if(borderRadius != j)
{ if((intx) >= borderRadius)
var y2 = -1; else
var y2 = Math.ceil(Math.sqrt(Math.pow(borderRadius,2) - Math.pow(intx, 2))); if((intx+1) >= j)
var y3 = -1; else
var y3 = (Math.floor(Math.sqrt(Math.pow(j ,2) - Math.pow((intx+1), 2))) - 1);}
if((intx) >= j)
var y4 = -1; else
var y4 = Math.ceil(Math.sqrt(Math.pow(j ,2) - Math.pow(intx, 2))); if(y1 > -1) this.drawPixel(intx, 0, this.boxColour, 100, (y1+1), newCorner, -1, this.settings[cc].radius); if(borderRadius != j)
{ for(var inty = (y1 + 1); inty < y2; inty++)
{ if(this.settings.antiAlias)
{ if(this.backgroundImage != "")
{ var borderFract = (pixelFraction(intx, inty, borderRadius) * 100); if(borderFract < 30)
{ this.drawPixel(intx, inty, this.borderColour, 100, 1, newCorner, 0, this.settings[cc].radius);}
else
{ this.drawPixel(intx, inty, this.borderColour, 100, 1, newCorner, -1, this.settings[cc].radius);}
}
else
{ var pixelcolour = BlendColour(this.boxColour, this.borderColour, pixelFraction(intx, inty, borderRadius)); this.drawPixel(intx, inty, pixelcolour, 100, 1, newCorner, 0, this.settings[cc].radius, cc);}
}
}
if(this.settings.antiAlias)
{ if(y3 >= y2)
{ if (y2 == -1) y2 = 0; this.drawPixel(intx, y2, this.borderColour, 100, (y3 - y2 + 1), newCorner, 0, 0);}
}
else
{ if(y3 >= y1)
{ this.drawPixel(intx, (y1 + 1), this.borderColour, 100, (y3 - y1), newCorner, 0, 0);}
}
var outsideColour = this.borderColour;}
else
{ var outsideColour = this.boxColour; var y3 = y1;}
if(this.settings.antiAlias)
{ for(var inty = (y3 + 1); inty < y4; inty++)
{ this.drawPixel(intx, inty, outsideColour, (pixelFraction(intx, inty , j) * 100), 1, newCorner, ((this.borderWidth > 0)? 0 : -1), this.settings[cc].radius);}
}
}
this.masterCorners[this.settings[cc].radius] = newCorner.cloneNode(true);}
if(cc != "br")
{ for(var t = 0, k = newCorner.childNodes.length; t < k; t++)
{ var pixelBar = newCorner.childNodes[t]; var pixelBarTop = parseInt(pixelBar.style.top.substring(0, pixelBar.style.top.indexOf("px"))); var pixelBarLeft = parseInt(pixelBar.style.left.substring(0, pixelBar.style.left.indexOf("px"))); var pixelBarHeight = parseInt(pixelBar.style.height.substring(0, pixelBar.style.height.indexOf("px"))); if(cc == "tl" || cc == "bl"){ pixelBar.style.left = this.settings[cc].radius -pixelBarLeft -1 + "px";}
if(cc == "tr" || cc == "tl"){ pixelBar.style.top = this.settings[cc].radius -pixelBarHeight -pixelBarTop + "px";}
switch(cc)
{ case "tr":
pixelBar.style.backgroundPosition = "-" + Math.abs((this.boxWidth - this.settings[cc].radius + this.borderWidth) + pixelBarLeft) + "px -" + Math.abs(this.settings[cc].radius -pixelBarHeight -pixelBarTop - this.borderWidth) + "px"; break; case "tl":
pixelBar.style.backgroundPosition = "-" + Math.abs((this.settings[cc].radius -pixelBarLeft -1) - this.borderWidth) + "px -" + Math.abs(this.settings[cc].radius -pixelBarHeight -pixelBarTop - this.borderWidth) + "px"; break; case "bl":
pixelBar.style.backgroundPosition = "-" + Math.abs((this.settings[cc].radius -pixelBarLeft -1) - this.borderWidth) + "px -" + Math.abs((this.boxHeight + this.settings[cc].radius + pixelBarTop) -this.borderWidth) + "px"; break;}
}
}
}
if(newCorner)
{ switch(cc)
{ case "tl":
if(newCorner.style.position == "absolute") newCorner.style.top = "0px"; if(newCorner.style.position == "absolute") newCorner.style.left = "0px"; if(this.topContainer) this.topContainer.appendChild(newCorner); break; case "tr":
if(newCorner.style.position == "absolute") newCorner.style.top = "0px"; if(newCorner.style.position == "absolute") newCorner.style.right = "0px"; if(this.topContainer) this.topContainer.appendChild(newCorner); break; case "bl":
if(newCorner.style.position == "absolute") newCorner.style.bottom = "0px"; if(newCorner.style.position == "absolute") newCorner.style.left = "0px"; if(this.bottomContainer) this.bottomContainer.appendChild(newCorner); break; case "br":
if(newCorner.style.position == "absolute") newCorner.style.bottom = "0px"; if(newCorner.style.position == "absolute") newCorner.style.right = "0px"; if(this.bottomContainer) this.bottomContainer.appendChild(newCorner); break;}
}
}
}
var radiusDiff = new Array(); radiusDiff["t"] = Math.abs(this.settings.tl.radius - this.settings.tr.radius)
radiusDiff["b"] = Math.abs(this.settings.bl.radius - this.settings.br.radius); for(z in radiusDiff)
{ if(z == "t" || z == "b")
{ if(radiusDiff[z])
{ var smallerCornerType = ((this.settings[z + "l"].radius < this.settings[z + "r"].radius)? z +"l" : z +"r"); var newFiller = document.createElement("DIV"); newFiller.style.height = radiusDiff[z] + "px"; newFiller.style.width = this.settings[smallerCornerType].radius+ "px"
newFiller.style.position = "absolute"; newFiller.style.fontSize = "1px"; newFiller.style.overflow = "hidden"; newFiller.style.backgroundColor = this.boxColour; switch(smallerCornerType)
{ case "tl":
newFiller.style.bottom = "0px"; newFiller.style.left = "0px"; newFiller.style.borderLeft = this.borderString; this.topContainer.appendChild(newFiller); break; case "tr":
newFiller.style.bottom = "0px"; newFiller.style.right = "0px"; newFiller.style.borderRight = this.borderString; this.topContainer.appendChild(newFiller); break; case "bl":
newFiller.style.top = "0px"; newFiller.style.left = "0px"; newFiller.style.borderLeft = this.borderString; this.bottomContainer.appendChild(newFiller); break; case "br":
newFiller.style.top = "0px"; newFiller.style.right = "0px"; newFiller.style.borderRight = this.borderString; this.bottomContainer.appendChild(newFiller); break;}
}
var newFillerBar = document.createElement("DIV"); newFillerBar.style.position = "relative"; newFillerBar.style.fontSize = "1px"; newFillerBar.style.overflow = "hidden"; newFillerBar.style.backgroundColor = this.boxColour; newFillerBar.style.backgroundImage = this.backgroundImage; switch(z)
{ case "t":
if(this.topContainer)
{ if(this.settings.tl.radius && this.settings.tr.radius)
{ newFillerBar.style.height = topMaxRadius - this.borderWidth + "px"; newFillerBar.style.marginLeft = this.settings.tl.radius - this.borderWidth + "px"; newFillerBar.style.marginRight = this.settings.tr.radius - this.borderWidth + "px"; newFillerBar.style.borderTop = this.borderString; if(this.backgroundImage != "")
newFillerBar.style.backgroundPosition = "-" + (topMaxRadius + this.borderWidth) + "px 0px"; this.topContainer.appendChild(newFillerBar);}
this.box.style.backgroundPosition = "0px -" + (topMaxRadius - this.borderWidth) + "px";}
break; case "b":
if(this.bottomContainer)
{ if(this.settings.bl.radius && this.settings.br.radius)
{ newFillerBar.style.height = botMaxRadius - this.borderWidth + "px"; newFillerBar.style.marginLeft = this.settings.bl.radius - this.borderWidth + "px"; newFillerBar.style.marginRight = this.settings.br.radius - this.borderWidth + "px"; newFillerBar.style.borderBottom = this.borderString; if(this.backgroundImage != "")
newFillerBar.style.backgroundPosition = "-" + (botMaxRadius + this.borderWidth) + "px -" + (this.boxHeight + (topMaxRadius + this.borderWidth)) + "px"; this.bottomContainer.appendChild(newFillerBar);}
}
break;}
}
}
if(this.settings.autoPad == true && this.boxPadding > 0)
{ var contentContainer = document.createElement("DIV"); contentContainer.style.position = "relative"; contentContainer.innerHTML = this.boxContent; contentContainer.className = "autoPadDiv"; var topPadding = Math.abs(topMaxRadius - this.boxPadding); var botPadding = Math.abs(botMaxRadius - this.boxPadding); if(topMaxRadius < this.boxPadding)
contentContainer.style.paddingTop = topPadding + "px"; if(botMaxRadius < this.boxPadding)
contentContainer.style.paddingBottom = botMaxRadius + "px"; contentContainer.style.paddingLeft = this.boxPadding + "px"; contentContainer.style.paddingRight = this.boxPadding + "px"; this.contentDIV = this.box.appendChild(contentContainer);}
}
this.drawPixel = function(intx, inty, colour, transAmount, height, newCorner, image, cornerRadius)
{ var pixel = document.createElement("DIV"); pixel.style.height = height + "px"; pixel.style.width = "1px"; pixel.style.position = "absolute"; pixel.style.fontSize = "1px"; pixel.style.overflow = "hidden"; var topMaxRadius = Math.max(this.settings["tr"].radius, this.settings["tl"].radius); if(image == -1 && this.backgroundImage != "")
{ pixel.style.backgroundImage = this.backgroundImage; pixel.style.backgroundPosition = "-" + (this.boxWidth - (cornerRadius - intx) + this.borderWidth) + "px -" + ((this.boxHeight + topMaxRadius + inty) -this.borderWidth) + "px";}
else
{ pixel.style.backgroundColor = colour;}
if (transAmount != 100)
setOpacity(pixel, transAmount); pixel.style.top = inty + "px"; pixel.style.left = intx + "px"; newCorner.appendChild(pixel);}
}
function insertAfter(parent, node, referenceNode)
{ parent.insertBefore(node, referenceNode.nextSibling);}
function BlendColour(Col1, Col2, Col1Fraction)
{ var red1 = parseInt(Col1.substr(1,2),16); var green1 = parseInt(Col1.substr(3,2),16); var blue1 = parseInt(Col1.substr(5,2),16); var red2 = parseInt(Col2.substr(1,2),16); var green2 = parseInt(Col2.substr(3,2),16); var blue2 = parseInt(Col2.substr(5,2),16); if(Col1Fraction > 1 || Col1Fraction < 0) Col1Fraction = 1; var endRed = Math.round((red1 * Col1Fraction) + (red2 * (1 - Col1Fraction))); if(endRed > 255) endRed = 255; if(endRed < 0) endRed = 0; var endGreen = Math.round((green1 * Col1Fraction) + (green2 * (1 - Col1Fraction))); if(endGreen > 255) endGreen = 255; if(endGreen < 0) endGreen = 0; var endBlue = Math.round((blue1 * Col1Fraction) + (blue2 * (1 - Col1Fraction))); if(endBlue > 255) endBlue = 255; if(endBlue < 0) endBlue = 0; return "#" + IntToHex(endRed)+ IntToHex(endGreen)+ IntToHex(endBlue);}
function IntToHex(strNum)
{ base = strNum / 16; rem = strNum % 16; base = base - (rem / 16); baseS = MakeHex(base); remS = MakeHex(rem); return baseS + '' + remS;}
function MakeHex(x)
{ if((x >= 0) && (x <= 9))
{ return x;}
else
{ switch(x)
{ case 10: return "A"; case 11: return "B"; case 12: return "C"; case 13: return "D"; case 14: return "E"; case 15: return "F";}
}
}
function pixelFraction(x, y, r)
{ var pixelfraction = 0; var xvalues = new Array(1); var yvalues = new Array(1); var point = 0; var whatsides = ""; var intersect = Math.sqrt((Math.pow(r,2) - Math.pow(x,2))); if ((intersect >= y) && (intersect < (y+1)))
{ whatsides = "Left"; xvalues[point] = 0; yvalues[point] = intersect - y; point = point + 1;}
var intersect = Math.sqrt((Math.pow(r,2) - Math.pow(y+1,2))); if ((intersect >= x) && (intersect < (x+1)))
{ whatsides = whatsides + "Top"; xvalues[point] = intersect - x; yvalues[point] = 1; point = point + 1;}
var intersect = Math.sqrt((Math.pow(r,2) - Math.pow(x+1,2))); if ((intersect >= y) && (intersect < (y+1)))
{ whatsides = whatsides + "Right"; xvalues[point] = 1; yvalues[point] = intersect - y; point = point + 1;}
var intersect = Math.sqrt((Math.pow(r,2) - Math.pow(y,2))); if ((intersect >= x) && (intersect < (x+1)))
{ whatsides = whatsides + "Bottom"; xvalues[point] = intersect - x; yvalues[point] = 0;}
switch (whatsides)
{ case "LeftRight":
pixelfraction = Math.min(yvalues[0],yvalues[1]) + ((Math.max(yvalues[0],yvalues[1]) - Math.min(yvalues[0],yvalues[1]))/2); break; case "TopRight":
pixelfraction = 1-(((1-xvalues[0])*(1-yvalues[1]))/2); break; case "TopBottom":
pixelfraction = Math.min(xvalues[0],xvalues[1]) + ((Math.max(xvalues[0],xvalues[1]) - Math.min(xvalues[0],xvalues[1]))/2); break; case "LeftBottom":
pixelfraction = (yvalues[0]*xvalues[1])/2; break; default:
pixelfraction = 1;}
return pixelfraction;}
function rgb2Hex(rgbColour)
{ try{ var rgbArray = rgb2Array(rgbColour); var red = parseInt(rgbArray[0]); var green = parseInt(rgbArray[1]); var blue = parseInt(rgbArray[2]); var hexColour = "#" + IntToHex(red) + IntToHex(green) + IntToHex(blue);}
catch(e){ alert("There was an error converting the RGB value to Hexadecimal in function rgb2Hex");}
return hexColour;}
function rgb2Array(rgbColour)
{ var rgbValues = rgbColour.substring(4, rgbColour.indexOf(")")); var rgbArray = rgbValues.split(", "); return rgbArray;}
function setOpacity(obj, opacity)
{ opacity = (opacity == 100)?99.999:opacity; if(isSafari && obj.tagName != "IFRAME")
{ var rgbArray = rgb2Array(obj.style.backgroundColor); var red = parseInt(rgbArray[0]); var green = parseInt(rgbArray[1]); var blue = parseInt(rgbArray[2]); obj.style.backgroundColor = "rgba(" + red + ", " + green + ", " + blue + ", " + opacity/100 + ")";}
else if(typeof(obj.style.opacity) != "undefined")
{ obj.style.opacity = opacity/100;}
else if(typeof(obj.style.MozOpacity) != "undefined")
{ obj.style.MozOpacity = opacity/100;}
else if(typeof(obj.style.filter) != "undefined")
{ obj.style.filter = "alpha(opacity:" + opacity + ")";}
else if(typeof(obj.style.KHTMLOpacity) != "undefined")
{ obj.style.KHTMLOpacity = opacity/100;}
}
function inArray(array, value)
{ for(var i = 0; i < array.length; i++){ if (array[i] === value) return i;}
return false;}
function inArrayKey(array, value)
{ for(key in array){ if(key === value) return true;}
return false;}
function addEvent(elm, evType, fn, useCapture) { if (elm.addEventListener) { elm.addEventListener(evType, fn, useCapture); return true;}
else if (elm.attachEvent) { var r = elm.attachEvent('on' + evType, fn); return r;}
else { elm['on' + evType] = fn;}
}
function removeEvent(obj, evType, fn, useCapture){ if (obj.removeEventListener){ obj.removeEventListener(evType, fn, useCapture); return true;} else if (obj.detachEvent){ var r = obj.detachEvent("on"+evType, fn); return r;} else { alert("Handler could not be removed");}
}
function format_colour(colour)
{ var returnColour = "#ffffff"; if(colour != "" && colour != "transparent")
{ if(colour.substr(0, 3) == "rgb")
{ returnColour = rgb2Hex(colour);}
else if(colour.length == 4)
{ returnColour = "#" + colour.substring(1, 2) + colour.substring(1, 2) + colour.substring(2, 3) + colour.substring(2, 3) + colour.substring(3, 4) + colour.substring(3, 4);}
else
{ returnColour = colour;}
}
return returnColour;}
function get_style(obj, property, propertyNS)
{ try
{ if(obj.currentStyle)
{ var returnVal = eval("obj.currentStyle." + property);}
else
{ if(isSafari && obj.style.display == "none")
{ obj.style.display = ""; var wasHidden = true;}
var returnVal = document.defaultView.getComputedStyle(obj, '').getPropertyValue(propertyNS); if(isSafari && wasHidden)
{ obj.style.display = "none";}
}
}
catch(e)
{ }
return returnVal;}
function getElementsByClass(searchClass, node, tag)
{ var classElements = new Array(); if(node == null)
node = document; if(tag == null)
tag = '*'; var els = node.getElementsByTagName(tag); var elsLen = els.length; var pattern = new RegExp("(^|\s)"+searchClass+"(\s|$)"); for (i = 0, j = 0; i < elsLen; i++)
{ if(pattern.test(els[i].className))
{ classElements[j] = els[i]; j++;}
}
return classElements;}
function newCurvyError(errorMessage)
{ return new Error("curvyCorners Error:\n" + errorMessage)
}