	<!-- 
		
	isamap = new Object();
	isamap[0] = "_df";
	isamap[1] = "_ov";
	isamap[2] = "_ot";
	isamap[3] = "_dn";
	
			
	function imgrol(id, act)
	{
		if(document.images) document.images[id].src = eval( "image." + id + isamap[act] + ".src");
	}
	
	if (document.images)
	{
		image = new Object();
					
		image.btn_learn_df = new Image();
		image.btn_learn_df.src = "images/button_learn.jpg";
		image.btn_learn_ov = new Image();
		image.btn_learn_ov.src = "images/button_learnb.jpg";
		
		image.btn_quote_df = new Image();
		image.btn_quote_df.src = "images/button_quote.jpg";
		image.btn_quote_ov = new Image();
		image.btn_quote_ov.src = "images/button_quoteb.jpg";
		
		image.btn_employment_df = new Image();
		image.btn_employment_df.src = "images/button_employment.jpg";
		image.btn_employment_ov = new Image();
		image.btn_employment_ov.src = "images/button_employmentb.jpg";
		
		image.btn_class_df = new Image();
		image.btn_class_df.src = "images/nav_class.gif";
		image.btn_class_ov = new Image();
		image.btn_class_ov.src = "images/nav_classb.gif";
		
		image.btn_job_df = new Image();
		image.btn_job_df.src = "images/nav_job.gif";
		image.btn_job_ov = new Image();
		image.btn_job_ov.src = "images/nav_jobb.gif";	
		
					
		}