function addOnLoadEvent(func)
	{
	var oldOnLoad = window.onload;
	if(typeof oldOnLoad != 'function')
		{
		window.onload = func;
		}
	else
		{
		window.onload = function()
			{
			oldOnLoad();
			func();
			}
		}
	}
function updatePNG24()
	{
	var BrowserResult = navigator.appVersion.match(/MSIE (\d+\.\d+)/, '');
	var itsIE = (BrowserResult != null && Number(BrowserResult[1]) >= 5.5 && Number(BrowserResult[1]) < 7.0);
	if(itsIE)
		{	
		var body 	= document.getElementsByTagName("body")[0];
		var tags	= body.getElementsByTagName("*");
		var num 	= tags.length;
		for(var i=0;i<num;i++)
			{
			if(tags[i].style.backgroundImage.indexOf('.png') != -1)
				{
				var obj = tags[i];
				var bg	= obj.currentStyle.backgroundImage;
				var src = bg.substring(5,bg.length-2);
				obj.style.filter 			= "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + src + "', sizingMethod='scale')";
				obj.style.backgroundImage 	= "url(images/misc/1x1Trans.gif)";
				}
			}
		}
	}
addOnLoadEvent(updatePNG24);
function displayCurrentSection(section)
	{
	var header 	= document.getElementById('header_content');
	var list	= document.getElementById('header_buttons');
	var items	= list.getElementsByTagName('li');
	var button 	= items[section].firstChild;
		button.style.color 		= 'white';
		button.style.fontWeight = 'bold';
	var offset 	= button.offsetLeft;
	var width 	= button.offsetWidth;
	var point 	= Math.round((offset + 8) +((width-4) / 2));
	
	var block	= document.createElement('div');
	var BrowserResult = navigator.appVersion.match(/MSIE (\d+\.\d+)/, '');
	var itsIE = (BrowserResult != null && Number(BrowserResult[1]) >= 5.5 && Number(BrowserResult[1]) < 7.0);
	if(itsIE)
		{
		block.className = 'header_arrow_ie';
		block.style.bottom	= '-1px';
		block.style.left	= point+'px';
		}
	else
		{
		block.className = 'header_arrow';
		block.style.bottom	= '0px';
		block.style.left	= point+'px';
		}
	header.appendChild(block);
	}
function addCommas(nStr)
	{
	nStr += '';
	x = nStr.split('.');
	x1 = x[0];
	x2 = x.length > 1 ? '.' + x[1] : '';
	var rgx = /(\d+)(\d{3})/;
	while (rgx.test(x1)) {
		x1 = x1.replace(rgx, '$1' + ',' + '$2');
	}
	return x1 + x2;
	}