// correctly handle PNG transparency in Win IE 5.5 and 6.
function correctPNG() {
 var arVersion = navigator.appVersion.split("MSIE")
 var version = parseFloat(arVersion[1])
 if ((version >= 5.5 && version<7) && (document.body.filters)) {
  for(var j=0; j<document.images.length; j++) {
   var img = document.images[j];
   var imgName = img.src.toLowerCase();
   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;
    j = j-1;
   }
  }
 }
}

var MainID = -1;
var host = document.location.host;
var page = document.location.href.substring(document.location.href.indexOf(host)+host.length);
page = page.toLowerCase();

function getMenuId(menuid) {
	return "cat_" + menuid;
}

function getMenuItem(menuid) {
	menuid = getMenuId(menuid);
	var menus = document.getElementById(menuid);
	if (menus == null) return;
	var tds = menus.getElementsByTagName("td");
	for (var i = 0; i < tds.length; i++) {
		var mouseover = tds[i].onmouseover;
		if (mouseover == null) return i;
	}
	return -1;
}

function showArrow() {
	MainID=getMenuItem("281358");
	if (MainID >= 0 && MainID <= 6) document.getElementById("arrow"+MainID).style.background="url(images/arrow.gif) top center no-repeat";
}