var url;
url = document.URL;

url = url.replace("http://upa.com/","");
url = url.replace("http://www.upa.com/","");

if (url == "")
	{url = "index.php"};
	
endurlpos = url.lastIndexOf (".php");
url = url.slice(0,endurlpos);
	
nav=document.getElementById("navbar").getElementsByTagName("li");

if (url == "index")
	{nav[0].style.backgroundImage="url(images/header/gradient2.jpg)"}
else if (url == "instruments" || url == "microderm" || url == "xrf" || url == "copperderm" || url == "dermitron" || url == "coppercheck" || url == "caviderm" || url == "elcometer")
	{nav[1].style.backgroundImage="url(images/header/gradient2.jpg)"}
else if (url == "technologies" || url == "betabackscatter" || url == "xray" || url == "microresistance" || url == "eddycurrent" || url == "halleffect")
	{nav[2].style.backgroundImage="url(images/header/gradient2.jpg)"}
else if (url == "industries" || url == "pcbindustry" || url == "metalfinishing" || url == "metalstamping" || url == "glasssolarsilicon")
	{nav[3].style.backgroundImage="url(images/header/gradient2.jpg)"}
else if (url == "standards")
	{nav[4].style.backgroundImage="url(images/header/gradient2.jpg)"}
else if (url == "services")
	{nav[5].style.backgroundImage="url(images/header/gradient2.jpg)"}
else if (url == "usedsystems")
	{nav[6].style.backgroundImage="url(images/header/gradient2.jpg)"}
else if (url == "contactus")
	{nav[7].style.backgroundImage="url(images/header/gradient2.jpg)"}
else
	{alert("Error! Header can't handle new page without more information in the headermod.js file.")}