function check()
{

	if(document.frm_Enroll.lastname.value == "")
	{
		alert("Last Name is required.");
		document.frm_Enroll.lastname.focus();
		return false;
	}
	if(document.frm_Enroll.title.value == "")
	{
		alert("Title is required.");
		document.frm_Enroll.title.focus();
		return false;
	}
	if(document.frm_Enroll.organization.selectedIndex == 0)
	{
		alert("Organization is required.");
		document.frm_Enroll.organization.focus();
		return false;
	}
	if(document.frm_Enroll.email.value == "")
	{
		alert("E-Mail is required.");
		document.frm_Enroll.email.focus();
		return false;
	}
	if(isNaN(document.frm_Enroll.zip.value))
	{
		alert("Only numbers are allowed in the Zip field.");
		document.frm_Enroll.zip.focus();
		return false;
	}
	if(isNaN(document.frm_Enroll.phone.value))
	{
		alert("Only numbers are allowed in the Phone field.");
		document.frm_Enroll.phone.focus();
		return false;
	}
	if(isNaN(document.frm_Enroll.fax.value))
	{
		alert("Only numbers are allowed in the Fax field.");
		document.frm_Enroll.fax.focus();
		return false;
	}

	return true;

}