if(document.images)
	{
		p1 =  new Image();
		p1.src = "../graphics/nav_company_over.gif";
		
		p2 =  new Image();
		p2.src = "../graphics/nav_product_over.gif";
		
		p3 =  new Image();
		p3.src = "../graphics/nav_customer_over.gif";
		
		p4 =  new Image();
		p4.src = "../graphics/nav_contact_over.gif";
		
		p5 =  new Image();
		p5.src = "../graphics/nav_investor_over.gif";
		
	}