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_signupform(thisform)
{
with (thisform)
{
if (validate_required(name,"Please fill in your name.")==false)
  {name.focus();return false;}
if (validate_required(email,"Please fill in your email address.")==false)
  {email.focus();return false;}
if (validate_email(email,"Your email address does not appear to be valid. Please correct it and try again.")==false)
  {email.focus();return false;}

}
}



function validate_regform(thisform)
{
with (thisform)
{
if (validate_required(name,"Please fill in your name.")==false)
  {name.focus();return false;}
if (validate_required(address,"Please fill in your address.")==false)
  {address.focus();return false;}
if (validate_required(city,"Please fill in your city.")==false)
  {city.focus();return false;}
if (validate_required(state,"Please fill in your state.")==false)
  {state.focus();return false;}
if (validate_required(zip,"Please fill in your zip code.")==false)
  {zip.focus();return false;}
if (validate_required(phone,"Please fill in your phone number.")==false)
  {phone.focus();return false;}
if (validate_required(email,"Please fill in your email address.")==false)
  {email.focus();return false;}
if (validate_email(email,"Your email address does not appear to be valid. Please correct it and try again.")==false)
  {email.focus();return false;}

}
}