var Janela=function(){
	this.Width=800;this.Height=600;
	if (self.innerWidth){this.Width=self.innerWidth;this.Height=self.innerHeight;}
	else if (document.documentElement && document.documentElement.clientWidth){this.Width=document.documentElement.clientWidth;this.Height=document.documentElement.clientHeight;}
	else if (document.body){this.Width=document.body.clientWidth;this.Height=document.body.clientHeight;}
}