function productInfo(id)
	{
		var url = 'productInfo.php?id='+id;
		window.location = url;
	}

	function productImage(id, filename)
	{
		var x = 900;
		var y = 900;
		if(x > screen.availWidth || y > screen.availHeight) {		
			x = 600;
			y = 600;		
		}
		if(x > screen.availWidth || y > screen.availHeight) {		
			x = 450;
			y = 450;		
		}
		
		var url = 'productImage.php?id='+id;
		var pop = window.open(url,'productImage','resizable=yes,width='+x+',height='+y+',scrollbars=yes,status=yes,resizable=yes');
		centerWindow(x,y, pop);
	}

	function centerWindow(x, y, win)
	{
		var avail_x = screen.availWidth;
		var avail_y = screen.availHeight;
		win.moveTo((avail_x - x)/2, (avail_y - y)/2);
	}
	
	function pop_up(url, x, y)
	{
		var pop = window.open(url,'pmc','resizable=yes,width='+x+',height='+y+',scrollbars=no,status=no,resizable=yes');
		centerWindow(x, y, pop);
	}