if(document.images)
{
		p1 =  new Image();
		p2 =  new Image();
		p3 =  new Image();
		p4 =  new Image();
		p5 =  new Image();
		p6 =  new Image();
		p7 =  new Image();
		p8 =  new Image();
		
		
		p1.src = "graphics/nav_home_over.gif";
		p2.src = "graphics/nav_contact_us_over.gif";
		p3.src = "graphics/nav_services_over.gif";
		p4.src = "graphics/nav_partners_over.gif";
		p5.src = "graphics/nav_clients_over.gif";
		p6.src = "graphics/nav_careers_over.gif";
		p7.src = "graphics/nav_news_over.gif";
		p8.src = "graphics/nav_case_studies_over.gif";
		
		
}