<!--
  if (document.images) {

 	   var over_state=new Array;
	   var off_state=new Array;

	   for (var i=0; i<name_array.length; i++) {
		   off_state[i] = new Image;
		   off_state[i].src="images/survey_page_images/"+name_array[i]+".gif";
		   over_state[i] = new Image;
		   over_state[i].src="images/survey_page_images/"+name_array[i]+"_over.gif";
	   }
	   var current_image = -1;
   }

   function doMouseOver(button_num) {
	  if (document.images) {
		  if (current_image >= 0) doMouseOut(current_image);
			  document[name_array[button_num]].src = over_state[button_num].src;
		  current_image = button_num;
		}
   }

   function doMouseOut(button_num) {
	   if (document.images) {
		   document[name_array[button_num]].src = off_state[button_num].src;
		   current_image = -1;
     }
   }

   if (document.images)	{
	   preload1= new Image(67, 18);
	   preload1.src="images/survey_page_images/nav_home.gif";

  	 preload2= new Image(111, 18);
	   preload2.src="images/survey_page_images/nav_contactus.gif";

	   preload3= new Image(91, 40);
	   preload3.src="images/survey_page_images/nav_aboutus.gif";

  	 preload4= new Image(116, 40);
	   preload4.src="images/survey_page_images/nav_commitment.gif";

	   preload5= new Image(87, 40);
	   preload5.src="images/survey_page_images/nav_products.gif";

  	 preload6= new Image(91, 40);
	   preload6.src="images/survey_page_images/nav_suppliers.gif";		 

 	   preload7= new Image(65, 40);
	   preload7.src="images/survey_page_images/nav_news.gif";

  	 preload8= new Image(117, 40);
	   preload8.src="images/survey_page_images/nav_business.gif";

   }
// -->