<!--

function roll(img_name1, img_src1, img_name2, img_src2)
   {
   document[img_name1].src = img_src1;
   document[img_name2].src = img_src2;
   }
   
   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_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(name,"Name must be filled out!")==false)
  {name.focus();return false;}
  


else if (validate_required(email,"Email must be filled out!")==false)
  {email.focus();return false;}
  
else if (validate_email(email,"Not a valid email address!")==false)
  {email.focus();return false;}  
  
  
else if (validate_required(phone,"Phone number must be filled out!")==false)
  {phone.focus();return false;}
  
 
}
}