// JavaScript Document
function validateLogin() 
{
	var txt = '';
	
	var username 		= document.getElementById('username').value;
	var password 		= document.getElementById('password').value;
	var login_id		= document.getElementById('login_id').value;
	
	if(login_id == "") {

	if(username == "") {

		txt += "Username cannot be blank.\n";

	}
	if(username != "") {

		if(echeck(username) == false) {
	
			txt += "Please enter a valid Username.\n";
	
		}

	}
	if(password == "") {

		txt += "Password cannot be blank.\n";

	}
	
	if(txt != "") {

		alert("Hello Guest, the following fields are mandatory:-\n\n" + txt);
		return false;

	}
	
	}
	else
	{
		
		alert("You are already logged in....\n");
		return false;
		
	}
}

function divFunc(arg)
{
	if(arg == 1)
	{
	document.getElementById("Layer4").style.display = 'block';
	}
	else
	{
	document.getElementById("Layer4").style.display = 'none';
	}
}

function validateForgot()
{
	var txt = '';
	
	var email 		= document.getElementById('email').value;
	
	if(email == "") {

		txt += "Email cannot be blank.\n";

	}
	if(email != "") {

		if(echeck(email) == false) {
	
			txt += "Please enter a valid Email.\n";
	
		}

	}

	if(txt != "") {

		alert("Hello Guest, the following fields are mandatory:-\n\n" + txt);
		return false;

	}
	
}

function echeck(str) {

		var at="@"
		var dot="."
		var lat=str.indexOf(at)
		var lstr=str.length
		var ldot=str.indexOf(dot)
		if (str.indexOf(at)==-1){
		   //alert("Invalid E-mail ID")
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   //alert("Invalid E-mail ID")
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		   // alert("Invalid E-mail ID")
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    //alert("Invalid E-mail ID")
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    //alert("Invalid E-mail ID")
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		   // alert("Invalid E-mail ID")
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1){
		    //alert("Invalid E-mail ID")
		    return false
		 }

 		 return true					
	}