<!-- Begin
// Preload images
var empty = new Image(); empty.src = "images/required.gif";
var ehelp = new Image(); ehelp.src = "images/errorhelp.gif";

var haveerrors = 0;
function showImage(imagename, imageurl, errors) 
{
document[imagename].src = imageurl;

if (!haveerrors && errors) haveerrors = errors;
}

function validateForm(f) 

{
haveerrors = 0;
(f.last_name.value.length < 2) // validate last name length
? showImage("lastnameerror", "images/required.gif", true)
: showImage("lastnameerror", "images/blankimage.gif", false);

(f.company.value.length < 2) // validate company name length
? showImage("companynameerror", "images/required.gif", true)
: showImage("companynameerror", "images/blankimage.gif", false);

(f.title.value.length < 2) // validate job title
? showImage("jobtitleerror", "images/required.gif", true)
: showImage("jobtitleerror", "images/blankimage.gif", false);

(f.phone.value.length < 10) // validate phone length
? showImage("phoneerror", "images/required.gif", true)
: showImage("phoneerror", "images/blankimage.gif", false);

(f.email.value.length < 5) // validate email
? showImage("emailerror", "images/required.gif", true)
: showImage("emailerror", "images/blankimage.gif", false);



(haveerrors != 0) // Validate all errors
? showImage("errorhelp", "images/errorhelp.gif", true)
: showImage("errorhelp", "images/blankimage.gif", false);

return (!haveerrors);
}
//  End -->