navimg_chat = new Image(); 
navimg_chat.src="/images/nav_chat.png";
navimg_chat_over = new Image(); 
navimg_chat_over.src="/images/nav_chat_over.png";

navimg_email = new Image(); 
navimg_email.src="/images/nav_email.png";
navimg_email_over = new Image(); 
navimg_email_over.src="/images/nav_email_over.png";

navimg_call = new Image(); 
navimg_call.src="/images/nav_call.png";
navimg_call_over = new Image(); 
navimg_call_over.src="/images/nav_call_over.png";

navimg_visit = new Image(); 
navimg_visit.src="/images/nav_visit.png";
navimg_visit_over = new Image(); 
navimg_visit_over.src="/images/nav_visit_over.png";

navimg_community = new Image(); 
navimg_community.src="/images/nav_community.png";
navimg_community_over = new Image(); 
navimg_community_over.src="/images/nav_community_over.png";

navimg_search = new Image(); 
navimg_search.src="/images/nav_search.png";
navimg_search_over = new Image(); 
navimg_search_over.src="/images/nav_search_over.png";