function PNG(element)
{
if (/MSIE (5\.5|6).+Win/.test(navigator.userAgent))
{
var src;

if (element.tagName=='IMG')
{
if (/\.png$/.test(element.src))
{
src = element.src;
element.src = "img/t.gif";
}
}
else
{
src = element.currentStyle.backgroundImage.match(/url\("(.+\.png)"\)/i)
if (src)
{
src = src[1];
element.runtimeStyle.backgroundImage="none";
}
}

if (src) element.runtimeStyle.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+src+"',sizingMethod='scale')";
}
}

window.onload = setScreenClass; 
window.onresize = setScreenClass;

//  Following transition classes will be declared:
//
//	classname		  screenwidth
//	------------------------------------------
//	pda_v			  240px			
//	pda_h			  320px			
//	ultralow		  320px -  640px	
//	screen_lo		  640px -  800px	
//	screen_med		  800px - 1024px	
//	screen_hi		 1024px - 1280px	
//	screen_wide				> 1280px			

function setScreenClass(){

	var fmt = document.body.clientWidth;
	var cls = (fmt>1024)?'wide':'init';
	document.getElementById('count').innerHTML=fmt+'px -> '+cls;
	document.body.className=cls;
}