$(window).load(function() {
             $('#slider').nivoSlider({
                pauseTime:5000,
                pauseOnHover:false,
                directionNav:false,
                controlNavThumbs:true,
        	controlNavThumbsFromRel:true
            });
    });

		function showWin(file,winwidth,winheight)
		{ 
			var settings = "width="+winwidth+",height="+winheight+",toolbar=no,scrollbars=yes,directories=no,menubar=no,resizable=yes,dependent=yes"  
			var lwin = window.open(file,"popup",settings);  
			lwin.focus();
		}