function correctPNG() 
   {
   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;" + imgStyle
		 if (img.align == "right") imgStyle = "float:right;" + imgStyle
		 if (img.parentElement.href) imgStyle = "cursor:hand;" + imgStyle		
		 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", correctPNG);

<!--
function showMenu(px) {
	// list all menu names in elementArray
	elementArray = new Array('mainmenu', 'reservations', 'guests', 'reports', 'tools');
	switch (navigator.appName) {
		case "Netscape":
			var displayType = 'table-cell';
			break;
		case "Microsoft Internet Explorer":
			var displayType = 'block'
			break;
	}
	var element = document.getElementById(px);
	var mainmenu = document.getElementById('mainmenu');
	if (!element.style.display || element.style.display == "none") {
		element.style.display = displayType;
		for (i = 0; i < elementArray.length; i++) {
			if (elementArray[i] != px) {
				document.getElementById(elementArray[i]).style.display = 'none';
			}
		}
	}
}

-->