function Initialize()
{
    var rnd_no = 1 + Math.round(4 * Math.random());
    if (document.getElementById("mainContainer") != null){
            el = document.getElementById("mainContainer");
            el.className = el.className + ' image0' + rnd_no;
    }
	externalLinks();
	sfHover();
	addFirstLinkClass()
}


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 addFirstLinkClass() {
  document.getElementById("mainnavContainer").getElementsByTagName("a")[0].className = "firstLink";
  if(document.getElementById("subNav") != null){
	  document.getElementById("subNav").getElementsByTagName("a")[0].className = "firstLink";
  }
  el =  document.getElementById("mainNav").getElementsByTagName("UL");
	for(i = 0; i < el.length; i++){
		if(el[i].firstChild != null){
			el[i].firstChild.className = el[i].firstChild.className + "firstLink";		
		}
	}
}

function sfHover() {
	/*var sfEls = document.getElementById("mainnavContainer").getElementsByTagName("LI");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" sfhover";
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}*/
}

function createActiveLink(pageNum) {
	/*el =  document.getElementById("mainNav").getElementsByTagName("UL")[0].childNodes;
	for(i = 0; 1 < el.length; i++){
		navSection = ' mainLevelNav'+i;
		el[i].className = el[i].className + navSection;		
	}
	el = document.getElementById("mainnavContainer").getElementsByTagName("a");
	var current = 0;
	for (var i = 0; i < el.length; i++){
		if(el[i].innerHTML == pageName){
			el[i].className = el[i].className + 'activePage';
		}
	}*/
	el = document.getElementById("mainNav").getElementsByTagName("UL")[0];
	el.childNodes[pageNum].className = el.childNodes[pageNum].className + ' showNav';
}