// JavaScript Document
<script language=javascript>
function checkemail(theForm)
{
var i;

	for (i = 0; i < theForm.elements.length; i++)
	{
		if (theForm.elements[i].type == 'text')
		{
			theForm.elements[i].value = Trim(theForm.elements[i].value)
		}
	}

	if (theForm.getemail.value.length == 0)
	{
		alert("Please enter your email address");
      	theForm.getemail.focus();
      	return false;
	}

	if (ValidateEmail(theForm.getemail.value) == false)
	{
      	theForm.getemail.focus();
      	return false;
	}

	if (document.getElementById('submit'))
	{
		document.getElementById('submit').style.visibility = 'hidden'
	}
	return true;
}
</script>