function initPage()
{
	var nav = document.getElementById("navigation-main");
	if (nav)
	{
		var nodes = nav.getElementsByTagName("li");
		for (var i = 0; i < nodes.length; i++)
		{
				nodes[i].onmouseover = function () 
				{
					if (this.className.indexOf("hover") == -1)
					{
						this.className += " hover";
					}
				}
				nodes[i].onmouseout = function ()
				{
					this.className = this.className.replace(" hover", "");
				}
		}
	}
}

if (window.attachEvent && !window.opera)
	window.attachEvent("onload", initPage);

function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      if (oldonload) {
        oldonload();
      }
      func();
    }
  }
}
addLoadEvent(externalLinks);
//addLoadEvent(function() {
  /* more code to run on page load */ 
//});

function externalLinks() { 
 if (!document.getElementsByTagName) return; 
 var anchors = document.getElementsByTagName("a"); 
 for (var i=0; i<anchors.length; i++) { 
   var anchor = anchors[i]; 
   if (anchor.getAttribute("href") && 
       anchor.getAttribute("rel") == "external") 
     anchor.target = "_blank"; 
 } 
}

function show(id) {
	if (document.layers) document.layers[id].visibility = "show";
	else if (document.all) document.all[id].style.visibility = "visible";
	else if (document.getElementById) document.getElementById(id).style.visibility = "visible";
}
function hide(id) {
	if (document.layers) document.layers[id].visibility = "hide";
	else if (document.all) document.all[id].style.visibility = "hidden";
	else if (document.getElementById) document.getElementById(id).style.visibility = "hidden";
}

function popup(url) 
{
 var width  = 500;
 var height = 500;
 var left   = (screen.width  - width)/2;
 var top    = (screen.height - height)/2;
 var params = 'width='+width+', height='+height;
 params += ', top='+top+', left='+left;
 params += ', directories=no';
 params += ', location=no';
 params += ', menubar=no';
 params += ', resizable=no';
 params += ', scrollbars=yes';
 params += ', status=no';
 params += ', toolbar=no';
 newwin=window.open(url,'windowname5', params);
 if (window.focus) {newwin.focus()}
 return false;
}