js-比较两个日期的大小

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html>
<head>
<title> New Document </title>
<meta name="Generator" content="EditPlus">
<meta name="Author" content="">
<meta name="Keywords" content="">
<meta name="Description" content="">
</head>

<body>
<script>
function CompareDate(d1,d2)
{
  return ((new Date(d1.replace(/-/g,"\/"))) > (new Date(d2.replace(/-/g,"\/"))));
}

var current_time = "2007-2-2 7:30";
var stop_time = "2007-1-31 8:30";
alert(CompareDate(current_time,stop_time));

</script>
</body>
</html>