var NowDate=new Date("2009/7/5");
var StartDate=new Date("2009/3/10");
var EndDate=new Date("2010/4/12");
var Adcontent="200942421505726356.jpg";
var InsteadAD="";
var IsShow=true;
if ((IsShow)&&(NowDate>=StartDate)&&(NowDate<EndDate)){
	document.write('<a href=\"http://user.mxfy.com/mxfyadclick.asp?ID=20\" target=\"_blank\"><img src=\"http://user.mxfy.com/upload/200942421505726356.jpg\" width=\"728\" height=\"90\" border=\"0\"></a>');
}else{
	document.write(InsteadAD);
}