var hrMax=screen.availHeight; 
var lrMax=screen.availWidth;  
  
function fenMax() 
{ 
    self.moveTo(0,0); 
	self.resizeTo(screen.availWidth,screen.availHeight); 
    if (document.all) 
    { 
     self.resizeTo(lrMax,hrMax); 
    } else if (document.layers) 
     { 
        if (self.outerHeight<hrMax||self.outerWidth<lrMax) 
        { 
            self.outerHeight = hrMax; 
            self.outerWidth = lrMax; 
        } 
    } 
self.focus();     
}