//preload images, then tollover and rollout functions
if(document.images)
	{
		about_bnl_off = new Image();
		about_bnl_on = new Image();
		business_areas_off = new Image();
		business_areas_on = new Image();
		clients_partners_off = new Image();
		clients_partners_on = new Image();
		employment_off = new Image();
		employment_on = new Image();
		contact_us_off = new Image();
		contact_us_on = new Image();


		about_bnl_off.src="/template_graphics/about_bnl_off.gif";
		about_bnl_on.src="/template_graphics/about_bnl_on.gif";
		business_areas_off.src="/template_graphics/business_areas_off.gif"
		business_areas_on.src="/template_graphics/business_areas_on.gif"
		clients_partners_off.src="/template_graphics/clients_partners_off.gif"
		clients_partners_on.src="/template_graphics/clients_partners_on.gif"
		employment_off.src="/template_graphics/employment_off.gif"
		employment_on.src="/template_graphics/employment_on.gif"
		contact_us_off.src="/template_graphics/contact_us_off.gif"
		contact_us_on.src="/template_graphics/contact_us_on.gif"
      }   
                
function rollover(name) {
	if(document.images) document.images[name].src= eval(name + "_on.src");
}
        
function rollout(name) {
	if(document.images) document.images[name].src= eval(name + "_off.src");
}