//preload menu images
if (document.images){
    pic1= new Image(); 
    pic1.src="/images/mnudiv.gif"; 
    
    pic2= new Image(); 
    pic2.src="/images/mnu_bottom.gif"; 
    
    pic3= new Image(); 
    pic3.src="/images/mnutop.gif"; 
    
    pic4= new Image(); 
    pic4.src="/images/mnu_mainbg.gif"; 
    
    pic5= new Image(); 
    pic5.src="/images/spacer.gif";
    
    pic6= new Image(); 
    pic6.src="/images/nav_company_over.gif";
    
    pic7= new Image(); 
    pic7.src="/images/nav_products_over.gif";
    
    pic8= new Image(); 
    pic8.src="/images/nav_industrysolutions_over.gif";
    
    pic9= new Image(); 
    pic9.src="/images/nav_partners_over.gif";
    
    pic10= new Image(); 
    pic10.src="/images/nav_newsroom_over.gif";
    
    pic11= new Image(); 
    pic11.src="/images/nav_careers_over.gif";
    
    pic12= new Image(); 
    pic12.src="/images/nav_support_over.gif";
    
    pic13= new Image(); 
    pic13.src="/images/nav_contactus_over.gif"; 
}