var allImgs = false;
var replaceClassName = 'tPNG';
var transparentGIF   = '/images/spacer.gif';

function my_onload(){
	if(navigator.userAgent.indexOf('MSIE 6') > -1){
		var tmpW, tmpH, tmpPNG;
		var imgs = document.images;
		for(var n=0; n<imgs.length; n++){
			if( ((imgs[n].src.indexOf('.png') > -1) && (imgs[n].className.indexOf(replaceClassName) > -1)) || allImgs ){
				tmpW                     = imgs[n].width;
				tmpH                     = imgs[n].height;
				tmpPNG                   = imgs[n].src;
				imgs[n].src              = transparentGIF;
				imgs[n].width            = tmpW;
				imgs[n].height           = tmpH;
				imgs[n].style.filter     = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + tmpPNG + "',sizingMethod='image')";
				imgs[n].style.visibility = 'visible';
			}
		}
	}
}