// JavaScript Document
	var resizeBackground = function(){ 
            var h = self.innerHeight || document.documentElement.clientHeight || document.body.clientHeight; 
            var w = self.innerWidth || document.documentElement.clientWidth || document.body.clientWidth; 
            var elem = document.getElementById('backgroundImage'); 
            if(w > h){ 
                    elem.width = w; 
                    elem.height = w; 
            }else{ 
                    elem.height = h; 
                    elem.width = h; 
            } 
    }