// Image rollovers

// Preload global nav images 
if (document.images) {   
	homeon = new Image();      
	homeon.src = "images/nav_home_over.gif"; 
	ourworkon = new Image(); 
	ourworkon.src = "images/nav_ourwork_over.gif";  
	ourclientson = new Image();
	ourclientson.src = "images/nav_ourclients_over.gif";
	ourteamon = new Image();
	ourteamon.src = "images/nav_ourteam_over.gif";
	contactuson = new Image();
	contactuson.src = "images/nav_contactus_over.gif";
	emailon = new Image();
	emailon.src = "images/footer_email_over.gif";
 
	homeoff = new Image();      
	homeoff.src = "images/nav_home.gif"; 
	ourworkoff = new Image(); 
	ourworkoff.src = "images/nav_ourwork.gif";  
	ourclientsoff = new Image();
	ourclientsoff.src = "images/nav_ourclients.gif";
	ourteamoff = new Image();
	ourteamoff.src = "images/nav_ourteam.gif";
	contactusoff = new Image();
	contactusoff.src = "images/nav_contactus.gif";
	emailoff = new Image();
	emailoff.src = "images/footer_email.gif";
}


function imgOn(imgName) {
        if (document.images) {
            document[imgName].src = eval(imgName + "on.src");
        }
}
         
                  
function imgOff(imgName) {
        if (document.images) {
            document[imgName].src = eval(imgName + "off.src");
        }
}