// ie css problem
navHover = function() {
	if (bt.browserName == "Internet Explorer") {
		var lis = document.getElementById("navmenu").getElementsByTagName("LI");
		for (var i=0; i<lis.length; i++) {
			lis[i].onmouseover=function() {
				this.className=" iehover";
			}
			lis[i].onmouseout=function() {
				this.className=this.className.replace(new RegExp(" iehover\\b"), "");
			}
		}
	}	
}


function showPerviewImage(url) {
  var perview=document.getElementById("perview");
  perview.src=url;
}

function showRandomImage() {

  var random=document.getElementById("random");
	
  var now = new Date();
  var seed = now.getSeconds();

  var n = Math.ceil(9 * Math.random(seed));
  if (n<10)
  n = "0"+n;
  var url = "works/home/random/"+n+".jpg";
  
  random.src=url; 
}


// Create a BrowserTest object
var bt = new Object();

function checkBrowser() {

	// Set Platform
	if (navigator.userAgent.toLowerCase().indexOf("mac") >= 0)
		bt.platform = "Macintosh";
	else if (navigator.platform == "Win32")
		bt.platform = "Windows";
	else
		bt.platform = navigator.platform;

	// Set Browser Name
	if (navigator.userAgent.indexOf("Safari") >= 0)
		bt.browserName = "Safari";
	else if (navigator.appName == "Microsoft Internet Explorer")
		bt.browserName = "Internet Explorer";
	else if (navigator.userAgent.indexOf("Netscape") >= 0)
		bt.browserName = "Netscape";
	else if (navigator.userAgent.indexOf("Firefox") >= 0)
		bt.browserName = "Firefox";
	else if (navigator.product == "Gecko" && navigator.appName == "Netscape")
		bt.browserName = "Mozilla";
	else
		bt.browserName = navigator.appName;
}


function correctPNG() {

	if (bt.browserName == "Internet Explorer") {
   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
	  }
  }
}
}