var NowDate=new Date("2012/2/5");
var StartDate=new Date("2007/11/1");
var EndDate=new Date("2012/1/31");
var Adcontent="2010122915473115285.gif";
var InsteadAD="<img src=\"http://user.mxfy.com/upload/2009102610323169725.jpg\">";
var IsShow=true;
if ((IsShow)&&(NowDate>=StartDate)&&(NowDate<EndDate)){
	document.write('<a href=\"http://user.mxfy.com/mxfyadclick.asp?ID=12\" target=\"_blank\"><img src=\"http://user.mxfy.com/upload/2010122915473115285.gif\" width=\"180\" height=\"120\" border=\"0\"></a>');
}else{
	document.write(InsteadAD);
}