function  validation(theForm)
{

if(isEmpty(theForm.textfield.value))
	{
	alert("Please Enter Email.");
	theForm.textfield.focus();
	return false;
	}
if(!check_email(theForm.textfield.value))
			{
			alert("Please Enter Valid Email");
			theForm.textfield.focus();
			return false;
			}
return true;
}