/* SHOW-HIDE Layer				*/

function showlayer(layer,btn1,btn2){
	var myLayer=document.getElementById(layer).style.display;
	document.getElementById(layer).style.display="block";
	var myBtn1=document.getElementById(btn1).style.display;
	document.getElementById(btn1).style.display="block";
	var myBtn2=document.getElementById(btn2).style.display;
	document.getElementById(btn2).style.display="none";
}
function hidelayer(layer,btn1,btn2){
	var myLayer=document.getElementById(layer).style.display;
	document.getElementById(layer).style.display="none";
	var myBtn1=document.getElementById(btn1).style.display;
	document.getElementById(btn1).style.display="block";
	var myBtn2=document.getElementById(btn2).style.display;
	document.getElementById(btn2).style.display="none";
}