var today=new Date();
var strDest="2010/6/17";
var d1 = new Date(strDest);
if(Date.parse(d1)-Date.parse(today)>0)
{
    window.open("http://zha.nanhai.org/note/2010/note.html","newwindow","height=480,width=640,top=0,left=0,toolbar=no,menubar=no,scrollbars=no,resizable=no,location=no,status=no");
}