function changeClasses(currentdoc){
	var inputElements = currentdoc.getElementsByTagName('input');
	for (var i=0; i<inputElements.length; i++){
		if(inputElements[i].type == "submit"){
			inputElements[i].className = inputElements[i].className + " submit2";
		}
		else if (inputElements[i].type == "button"){
			inputElements[i].className = inputElements[i].className + " button2";
		}
		else if (inputElements[i].type == "checkbox"){
			inputElements[i].className = inputElements[i].className + " checkbox2";
		}
		else if (inputElements[i].type == "radio"){
			inputElements[i].className = inputElements[i].className + " radio2";
		}
		else if (inputElements[i].type == "text"){
			inputElements[i].className = inputElements[i].className + " text2";
		}
		else if (inputElements[i].type == "password"){
			inputElements[i].className = inputElements[i].className + " password2";
		}
	}
}

function PNG_loader() {
   for(var i=0; i<document.images.length; i++) {
      var img = document.images[i];
      var imgName = img.src.toUpperCase();
      if (imgName.substring(imgName.length-3, imgName.length) == "PNG") {
         var imgID = (img.id) ? "id='" + img.id + "' " : "";
         var imgClass = (img.className) ? "class='" + img.className + "' " : "";
         var imgTitle = (img.title) ? "title='" + img.title + "' " : "title='" + img.alt + "' ";
         var imgStyle = "display:inline-block;" + img.style.cssText;
         if (img.align == "left") imgStyle += "float:left;";
         if (img.align == "right") imgStyle += "float:right;";
         if (img.parentElement.href) imgStyle += "cursor:hand;";
         var strNewHTML = "<span " + imgID + imgClass + imgTitle
            + " style=\"" + "width:" + img.width + "px; height:" + img.height + "px;" + imgStyle + ";"
            + "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
            + "(src=\'" + img.src + "\', sizingMethod='scale');\"></span>";
         img.outerHTML = strNewHTML;
         i=i-1;
      }
   }
}
window.attachEvent("onload", PNG_loader);