function rollOn(img) 
		{
		  	if (document.images) 
		  	{
				document[img].src = eval(img + '_on.src');
			}
		}
		
		function rollOff(img) 
		{
		  	if (document.images)
		  	{
				document[img].src = eval(img + '_off.src');
			}
		}
		
		var home_icon_on  = new Image(); home_icon_on.src  = "images/nav2-home-on.gif";
		var home_icon_off = new Image(); home_icon_off.src = "images/nav2-home.gif";
		
		var home_on  = new Image(); home_on.src  = "images/home-on.gif";
		var home_off = new Image(); home_off.src = "images/home-off.gif";

		var buynow_on  = new Image(); buynow_on.src  = "images/nav2-buynow-on.gif";
		var buynow_off = new Image(); buynow_off.src = "images/nav2-buynow.gif";

		var freetrials_on  = new Image(); freetrials_on.src  = "images/nav2-freetrials-on.gif";
		var freetrials_off = new Image(); freetrials_off.src = "images/nav2-freetrials.gif";

		var tools_on  = new Image(); tools_on.src  = "images/nav2-tools-on.gif";
		var tools_off = new Image(); tools_off.src = "images/nav2-tools.gif";

		var support_on  = new Image(); support_on.src  = "images/nav2-support-on.gif";
		var support_off = new Image(); support_off.src = "images/nav2-support.gif";

		var solutions_on  = new Image(); solutions_on.src  = "images/nav2-solutions-on.gif";
		var solutions_off = new Image(); solutions_off.src = "images/nav2-solutions.gif";
			
		var products_on  = new Image(); products_on.src  = "images/nav2-products-on.gif";
		var products_off = new Image(); products_off.src = "images/nav2-products.gif";

		var about_on  = new Image(); about_on.src  = "images/nav2-about-on.gif";
		var about_off = new Image(); about_off.src = "images/nav2-about.gif";
		
		var pageLoaded = 1;