var emailRegEx=/^[a-zA-Z0-9._-]+@([a-zA-Z0-9.-]+\.)+[a-zA-Z0-9.-]{2,4}$/;


function validateLoginForm(frm) {

    var email = frm.emailAddress.value;
    var pwd = frm.password.value;
	var atSymbol = email.indexOf('@');
	var period = email.lastIndexOf('.');
	var space = email.indexOf(' ');
	var charNum = email.length-1;

    if ((email == null) || (pwd == null)) {
        return false;
	 }
	 
    if ((email == null) || (email == '')) {
        alert("Error: Please enter an email address");
        return false;
    }

	if ((atSymbol < 1) || (period <= (atSymbol + 1)) || (period == charNum) || (space != -1)) 
	{
		alert("Error: Invalid Email Address. Please check to make sure the email address you entered are correct");
		frm.emailAddress.focus();
		return false;
	} 
	else 
	{
		return true;
	}
  
    if ((pwd == null) || (pwd == '')) {
        alert("Error: Please enter a password");
        return false;
    }

    }