var W3CDOM = (document.createElement && document.getElementsByTagName);

var mouseOver = new Array();
var mouseOut = new Array();

var z = 0;


function init() {
	if (!W3CDOM) return;
	pngfix();
	//attachjs('menu');
}

function attachjs(element) {
	var menu = document.getElementById(element);
	var img = menu.getElementsByTagName('img');
	
	for (i=0; i<img.length; i++) {
		if (!img[i].src.match("_over")) {
			img[i].onmouseover = swapon;
			img[i].onmouseout = swapoff;
			
			var suffix = img[i].src.substring(img[i].src.lastIndexOf('.'));
			mouseOut[z] = new Image();
			mouseOut[z].src = img[i].src;
			mouseOver[z] = new Image();
			mouseOver[z].src = img[i].src.substring(0,img[i].src.lastIndexOf('.')) + "_over" + suffix;
			img[i].number = z;
			z++;
		}
	}
}

function swapon() {
	this.src = mouseOver[this.number].src;
}

function swapoff() {
	this.src = mouseOut[this.number].src;
}

function pngfix() {
	var arVersion = navigator.appVersion.split("MSIE")
	var version = parseFloat(arVersion[1])
	
	if ((version >= 5.5)  && (version < 7)  && (document.body.filters)) 
	{
	   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
	      }
	   }
	}
}

var clicked;

function showfaq(id) {
	if (clicked)
		clicked.className = 'faq hidden';

	var faq = document.getElementById(id);
	if (faq == clicked) {
		clicked = null;
		return false;
	} else
		faq.className = 'faq';
	
	clicked = faq;
	return false;
}