<!--
function validate_required(field,alerttxt)
{
with (field)
{
if (value==null||value=="")
  {alert(alerttxt);return false;}
else {return true}
}
}

function validate_email(field,alerttxt)
{
with (field)
{
apos=value.indexOf("@");
dotpos=value.lastIndexOf(".");
if (apos<1||dotpos-apos<2) 
  {alert(alerttxt);return false;}
else {return true;}
}
}

function validate_form(thisform)
{
with (thisform)
{
if (validate_required(From_Name,"Please complete the Your Name field.")==false)
  {From_Name.focus();return false;}
if (validate_required(Patient_Name,"Please complete the Patient Name field.")==false)
  {Patient_Name.focus();return false;}
if (validate_email(Email,"Please enter a valid E-mail address!")==false)
  {Email.focus();return false;}
}
}
//-->