var NowDate=new Date("2012/2/5");
var StartDate=new Date("2009/2/16");
var EndDate=new Date("2011/3/5");
var Adcontent="20109123284077770.gif";
var InsteadAD="";
var IsShow=true;
if ((IsShow)&&(NowDate>=StartDate)&&(NowDate<EndDate)){
	document.write('<a href=\"http://user.mxfy.com/mxfyadclick.asp?ID=4\" target=\"_blank\"><img src=\"http://user.mxfy.com/upload/20109123284077770.gif\" width=\"180\" height=\"120\" border=\"0\"></a>');
}else{
	document.write(InsteadAD);
}