function Popup(title,content,vars){
	_this=this;
	_this['autoResize']=true;
	_this['centerBox']=true;
	this.Inherits(Box,title,content,vars);
	if(_this['modal']!=false){
		this.modal=new Modal(50);
	}
	this.cont.style.float="none";
	this.cont.style.position="absolute";
	this.cont.style.zIndex=400;
	new Drag(this.box_nav,this.cont);
	this.center();
}