// JavaScript Document
window.onresize = function(){
	background();	
}
function show_m(id){
	var elem = document.getElementById(id);
	if(elem){ elem.style.display='block'; elem.style.visibility='visible'; }	
}

function hide_m(id){
	var elem = document.getElementById(id);
	if(elem){ elem.style.display='none'; elem.style.visibility='hidden'; }
}

function background(){ 
	var h = self.innerHeight || document.documentElement.clientHeight || document.body.clientHeight; 
	var w = self.innerWidth || document.documentElement.clientWidth || document.body.clientWidth; 
	var elem = document.getElementById('background'); 

if(w > h){ 
	elem.width = w; 
	elem.height = w; 
}else{  
	elem.height = h; 
	elem.width = h; 
}
}