if(document.images)
		{
			//Add your images here
			details_on = new Image();
			details_on.src = "../../img/navigation/main_menu/contact_2_on.gif";
			
			details_off = new Image();
			details_off.src = "../../img/navigation/main_menu/contact_2.gif";
			
			map_on = new Image();
			map_on.src = "../../img/navigation/main_menu/contact_4_on.gif";
			
			map_off = new Image();
			map_off.src = "../../img/navigation/main_menu/contact_4.gif";
							
			// images added by ed	
							
			about_us_on = new Image();
			about_us_on.src = "../../img/navigation/main_menu/menu_2_on.gif";
			
			about_us_off = new Image();
			about_us_off.src = "../../img/navigation/main_menu/menu_2.gif";
			
			our_work_on = new Image();
			our_work_on.src = "../../img/navigation/main_menu/menu_4_on.gif";
			
			our_work_off = new Image();
			our_work_off.src = "../../img/navigation/main_menu/menu_4.gif";
			
			services_on = new Image();
			services_on.src = "../../img/navigation/main_menu/menu_6_on.gif";
			
			services_off = new Image();
			services_off.src = "../../img/navigation/main_menu/menu_6.gif";
			
			contact_on = new Image();
			contact_on.src = "../../img/navigation/main_menu/menu_8_on.gif";
			
			contact_off = new Image();
			contact_off.src = "../../img/navigation/main_menu/menu_8.gif";
					
			//End of add images
		}
		
		
			//RollOn Function
		function imgOn(imgName)
		{
			if(document.images)
			{
				document[imgName].src = eval(imgName + "_on.src");
			}
		}
		
		function imgOff(imgName)
		{
			if(document.images)
			{
				document[imgName].src = eval(imgName + "_off.src");
			}
		}