// JavaScript Document
function clearDefault(el) {
  if (el.defaultValue==el.value) el.value = ""
}

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_email(email,"Please enter your valid e-mail address!")==false)
  {email.focus();return false;}
}
}