function enlevePNG(){
	if(window.ActiveXObject){
		var img=document.images;
		for(i=0;i<img.length;i++){
			var o=img[i];
			var type=o.src.substring(o.src.length-3,o.src.length);
			if(type.toLowerCase()=="png"){
				w=o.width;h=o.height;Img=o.src;
				o.src="http://www.e-cavej.org/etudes-juridiques-images/spacer.gif";o.width=w;o.height=h;
				o.style.filter="progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+Img+"',sizingMethod='scale');";
			}
		}
	}
}