var clear="http://thx1138.luxza.com/tumblr/theme4/js/clear.gif" //path to clear.gif

pngfix=function(){
  var els=document.getElementsByTagName('*');
  var i_p=/\.png/i;var i=els.length;
  
  	while (i-- >0){
		var el=els[i];
		var es=el.style;
			
			if(el.src&&el.src.match(i_p)&&es.filter==''){
			  	el.height = el.height;
				el.width = el.width;
				es.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+el.src+"',sizingMethod='crop')";
				el.src = clear;
														}else{
															var elb=el.currentStyle.backgroundImage;
															if(elb.match(i_p)){
																var path=elb.split('"');
																var rep=(el.currentStyle.backgroundRepeat=='no-repeat')?'crop':'scale';
																	
																	es.filter="progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+path[1]+"',sizingMethod='"+rep+"')";
																	es.height=el.clientHeight+'px';es.backgroundImage="none";}
															}
																		
																		if (el.currentStyle.position!='absolute' && !es.filter && !el.tagName.match(/(body|html|script)/gi)) 
																			es.position="relative";
																				if (es.filter&&el.currentStyle.position=="relative") 
																					es.position="static";
						}
					}
window.attachEvent('onload',pngfix);