var ld=(document.all);
var ns4=document.layers;
var ns6=document.getElementById&&!document.all;
var ie4=document.all;
 if (ns4)
	ld=document.loading;
 else if (ns6)
 	ld=document.getElementById("loading").style;
 else if (ie4)
 	ld=document.all.loading.style;
  
function init() {
 if(ns4){ld.visibility="hidden";}  
 else if (ns6||ie4) ld.display="none"; 
}
 
function showLogin() {
	var el = document.getElementById('sLogin');
	el.style.display = (el.style.display != 'none' ? 'none' : '' );
}
function showRegister() {
	var el = document.getElementById('sRegister');
	el.style.display = (el.style.display != 'none' ? 'none' : '' );
}
function SwitchImage(show) {
			var active = document.getElementById('active').src;
			document.getElementById('active').src = show.src;
}
function showAccount() {
	var el = document.getElementById('sAccount');
	el.style.display = (el.style.display != 'none' ? 'none' : '' );
	var el = document.getElementById('sAccount2');
	el.style.display = (el.style.display != 'none' ? 'none' : 'none' );
}		
function validate(email) {
   var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
   var address = document.forms[form_id].elements[email].value;
   if(reg.test(address) == false) {
      alert('Invalid Email Address');
      return false;
   }
}