<!-- 	if (document.images)	{		var services_on=new Image();	services_on.src="images/nav_services_on.gif";	var services_off=new Image();	services_off.src="images/nav_services.gif";		var approach_on=new Image();	approach_on.src="images/nav_approach_on.gif";	var approach_off=new Image();	approach_off.src="images/nav_approach.gif";		var team_on=new Image();	team_on.src="images/nav_team_on.gif";	var team_off=new Image();	team_off.src="images/nav_team.gif";		var clients_on=new Image();	clients_on.src="images/nav_clients_on.gif";	var clients_off=new Image();	clients_off.src="images/nav_clients.gif";		var articles_on=new Image();	articles_on.src="images/nav_articles_on.gif";	var articles_off=new Image();	articles_off.src="images/nav_articles.gif";		var contact_on=new Image();	contact_on.src="images/nav_contact_on.gif";	var contact_off=new Image();	contact_off.src="images/nav_contact.gif";	}	function rollon (imgName)	{		if (document.images)	{			document.images[imgName].src = "images/nav_" + imgName + "_ON.gif";		}	}		function rolloff (imgName)	{		if (document.images)	{			document.images[imgName].src = "images/nav_" + imgName + ".gif";		}	}	//-->