function clearText(theField)
{
if (theField.defaultValue == theField.value)
theField.value = '';
}

function addText(theField)
{
if (theField.value == '')
theField.value = theField .defaultValue;
}


function validate_required(field,alerttxt)
{
with (field)
{
if (value==null||value=="")
  {alert(alerttxt);return false;}
else {return true}
}
}

function validate_form(thisform)
{
with (thisform)
{
if (validate_required(email,"Email must be filled out!")==false)
  {email.focus();return false;}
}
}