$(document).ready(function() {
 
    $('#btn-submit').click(function() { 
	
        $(".error").hide();
        var hasError = false;
        var emailReg = /^([\w-\.]+@([\w-]+\.)+[\w-]{2,4})?$/;
 
        var emailaddressVal = $("#email").val();
        if(emailaddressVal == '') {
            $("#email").after('<span class="error" style="color:#FF0000;"></br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;* Please enter your email address</span>');
            hasError = true;
        }
 
        else if(!emailReg.test(emailaddressVal)) {
            $("#email").after('<span class="error" style="color:#FF0000;"></br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;* Enter a valid email address</span>');
            hasError = true;
        }
		
		 
        if(hasError == true) { return false; }
		
		
 
    });
});