if (document.images) {
	homeon = new Image();
	homeon.src = "images/nav/home_on.gif";
	aboutuson = new Image();
	aboutuson.src = "images/nav/aboutus_on.gif";
	clientson = new Image();
	clientson.src = "images/nav/clients_on.gif";
	supporton = new Image();
	supporton.src = "images/nav/support_on.gif";
	serviceson = new Image();
	serviceson.src = "images/nav/services_on.gif";
	experimentson = new Image();
	experimentson.src = "images/nav/experiments_on.gif";
	hostingon = new Image();
	hostingon.src = "images/nav/hosting_on.gif";
	clientareaon = new Image();
	clientareaon.src = "images/nav/clientarea_on.gif";
	forumon = new Image();
	forumon.src = "images/nav/forum_on.gif";
	newson = new Image();
	newson.src = "images/nav/news_on.gif";
	contactuson = new Image();
	contactuson.src = "images/nav/contactus_on.gif";
	
		
	homeoff = new Image();
	homeoff.src = "images/nav/home_off.gif";
	aboutusoff = new Image();
	aboutusoff.src = "images/nav/aboutus_off.gif";
	clientsoff = new Image();
	clientsoff.src = "images/nav/clients_off.gif";
	supportoff = new Image();
	supportoff.src = "images/nav/support_off.gif";
	servicesoff = new Image();
	servicesoff.src = "images/nav/services_off.gif";
	experimentsoff = new Image();
	experimentsoff.src = "images/nav/experiments_off.gif";
	hostingoff = new Image();
	hostingoff.src = "images/nav/hosting_off.gif";
	clientareaoff = new Image();
	clientareaoff.src = "images/nav/clientarea_off.gif";
	forumoff = new Image();
	forumoff.src = "images/nav/forum_off.gif";
	newsoff = new Image();
	newsoff.src = "images/nav/news_off.gif";
	contactusoff = new Image();
	contactusoff.src = "images/nav/contactus_off.gif";
	

	function rollover(imgName){
	document[imgName].src = eval(imgName + "on.src");
	}

	function rolloff(imgName){
	document[imgName].src = eval(imgName + "off.src");
	}
}
