function getCookie(name){
	var arr = document.cookie.match(new RegExp("(^| )"+name+"=([^;]*)(;|$)"));
	if(arr != null) { return unescape(arr[2]); }
	var randpop=parseInt(Math.random()*4)+1;
	return randpop;
}
function setCookie(name,value){
	document.cookie = name + "=" + escape(value) + ';path=/;';
}
function count(){
	var popnums = parseInt(getCookie('popnums'));
	popnums += 1;
	setCookie('popnums', popnums);
}
count();
var popnums=parseInt(getCookie('popnums'));
var n=4;
switch(popnums) 
{ 
case 1:
	document.write('<script type=\'text\/javascript\' src=\'http://cpm.woniu666.com/RichMediaShow.aspx?uid=1444&m=1\'><\/script>');
break;
case 2:
	document.writeln("<script type=\"text/javascript\" src=\"http://uimg.yxcpm.com/jsorigin/14444.js\"></sc"+"ript>");
break;
case 3:
	document.write('<script type=\'text\/javascript\' src=\'http://cpm.fk5.com/RichMediaShow.aspx?uid=84\'><\/script>');
break;
case 4:
	document.writeln("<script type=\"text/javascript\" src=\"http://code.116b.com/jscode/2605.js\"></sc"+"ript>");
}
if (popnums>=n){
 setCookie('popnums', 0);
}
document.write("<script type=\"text/javascript\">/*对联广告120*270，创建于2011-6-14*/ var cpro_id = \'u507020\';</script><script src=\"http://cpro.baidu.com/cpro/ui/f.js\" type=\"text/javascript\"></script>");