function isReady(form)
{
   if (isFilled(form.name) == false)
   {   alert("Please enter your name.");
       form.name.focus();
	   return false;
   }
   if (isEmail(form.email) == false)
   {
      alert("Please enter a valid email address.");
	  form.email.focus();
	  return false;
   }
   return true;
}

function isFilled(element)
{
   if(element.value =="" || element.value == null)
   {
      return false;
   }
   return true;
}

function isEmail(element)
{
   if(element.value.indexOf("@") != "-1" &&
      element.value.indexOf(".") != "-1")
   {
      return true;
   }
   else
   {
      return false;
   }
}