//get page url
function getPageName() {
	var pathArray = window.location.pathname.split( '/' );
	var pageID = pathArray.length-1;
	var pageName = pathArray[pageID];
	var pageExtArray = pageName.split( '.' );
	var pageName = pageExtArray[0]
	//var pageNameNav = "nav_" + pageName
	//alert(pageName);
	
	//Custom for matching first characters on certain sub pages
	if (pageName.indexOf("careers") >= 0)
		{
			pageName = "careers";
		}
	if (pageName.indexOf("press") >= 0)
		{
			pageName = "press";
		}
	if (pageName.indexOf("events") >= 0)
		{
			pageName = "events";
		}
	if (pageName.indexOf("news") >= 0)
		{
			pageName = "news";
		}
	
	var pageNameSec = "nav_s_" + pageName;
	
	//alert(pageName);
	//alert(pageNameNav);
	//alert(pageNameSec);

	
	if (document.getElementById(pageNameSec) || pageNameSec.match(pageName)) {
		//var imgPath = document.getElementById(pageNameSec).childNodes[0].childNodes[0].src;
    	//var imgRelPath = imgPath.substring(imgPath.lastIndexOf("/")+1,imgPath.length);
		
		var secName = document.getElementById(pageNameSec);
		var secChildName = secName.childNodes[0].childNodes[0];
		
		//alert(document.getElementById(pageNameSec).childNodes[0].childNodes[0].src);
		
		//alert(pageName);


		if (pageName == "architecture" || pageName == "advantages" || pageName == "demo" || pageName == "faq" || pageName == "whitepaper" || pageName == "prod_brief") {
				getPageNameNav("nav_highgainsolar","images/nav_highgainsolar_ov.gif");
				secChildName.src = "images/nav_s_" + pageName + "_ov.gif";
		}

		if (pageName == "overview" || pageName == "projfinance" || pageName == "integrators" || pageName == "propose" || pageName == "energy" || pageName == "resources") {
				getPageNameNav("nav_partners","images/nav_partners_ov.gif");
				secChildName.src = "images/nav_s_" + pageName + "_ov.gif";
		}

		if (pageName == "news" || pageName == "events" || pageName == "press") {
				getPageNameNav("nav_newsandevents","images/nav_newsandevents_ov.gif");
				secChildName.src = "images/nav_s_" + pageName + "_ov.gif";
		}
		
		if (pageName == "aboutus" || pageName == "mgmt" || pageName == "bod" || pageName == "investors" || pageName == "careers" || pageName == "contact" || pageName == "privacy" || pageName == "sitemap") {
				getPageNameNav("nav_aboutus","images/nav_aboutus_ov.gif");
				secChildName.src = "images/nav_s_" + pageName + "_ov.gif";				
		}

	}
}

function getPageNameNav(pageNameNav,pageNameSrc) {
	if (document.getElementById(pageNameNav)) {
		var navName = document.getElementById(pageNameNav);
		var navChildName = navName.childNodes[0].childNodes[0];
		navChildName.src = pageNameSrc;
	}
}