// JavaScript Document
function openCenterWindow(URL,winName,w,h,features) {
  // if screen.dimension is true (available), 
  // then calculate the position using that value, else use a fixed value
  xPos = (screen.width) ? (screen.width-w)/2 : 50;
  yPos = (screen.height) ? (screen.height-h)/2 : 50;
  
  // assemble all window settings from calculations and parameters
  settings = 'height='+h+',width='+w+',top='+yPos+',left='+xPos+','+features
  
  // open the window and bring it to front
  thisWin=window.open(URL,winName,settings);
  thisWin.focus();
}

//Check to see if Netscape 4, if so, run function
if (document.layers){ 
self.location.href="detect.html";
}

// Correctly handle PNG transparency in Win IE 5.5 or higher.
// http://homepage.ntlworld.com/bobosola. Updated 02-March-2004
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 highlightCurrentLink() {
  
	var currentLocation = document.location.href;
	var targetNode;

	targetNode = document;
	
	// You can speed up this script, by preventing it searching through the entire document
	// Uncomment the line below, and it will only search through the tag with ID 'navigation'
	
	//targetNode = document.getElementById("navigation");
	
	links = targetNode.getElementsByTagName("a");

	// Search thorugh all links
	for (i=0; i<links.length; i++) {
		linkHref = links[i].href;
		
		if (linkHref==currentLocation) {
			// Set class for different browsers, if link is this link
			links[i].setAttribute("className", "currentlink");
			links[i].setAttribute("class", "currentlink");      
		}
	}
}

// Piggy-back fucntion onto onLoad event ............................................
function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      oldonload();
      func();
    }
  }
}

addLoadEvent(highlightCurrentLink);