function rollover(img_name,img_src)
		{
			document[img_name].src = img_src;
		}
	
	function NewWindow(mypage, myname, w, h, scroll)
		{
			var winl = (screen.width - w) / 2;
			var wint = (screen.height - h) / 2;
			winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars=yes,resizable=no,status=no,titlebar=no,menubar=no'
			win = window.open(mypage, myname, winprops)
			if (parseInt(navigator.appVersion) >= 4) { win.window.focus(); }
		}