function validate(form) {

var submitform = true;
var errortext = "";

if (form.first_name.value == '') {
submitform = false;
errortext += "Please fill in your first name.\n";
}


if (form.last_name.value == '') {
submitform = false;
errortext += "Please fill in your last name.\n";
}

if (form.company.value == '') {
submitform = false;
errortext += "Please fill in your company name.\n";
}
if (form.email.value == '') {
submitform = false;
errortext += "Please fill in your email address.\n";
} else if (!form.email.value.match(/^[A-Za-z0-9_-]+([.][A-Za-z0-9_-]+){0,4}[@][A-Za-z0-9_-]+([.][A-Za-z0-9_-]+){1,3}$/)) {
submitform = false;
errortext += "Please fill in a valid email address. \n";
}

if (form.industry.value == "") {
submitform = false;
errortext += "Please fill in your industry.\n";
}

if (form.street.value == "") {
submitform = false;
errortext += "Please fill in your street.\n";
}

if (form.city.value == "") {
submitform = false;
errortext += "Please fill in your city.\n";
}

if (form.state.value == "") {
submitform = false;
errortext += "Please fill in your state.\n";
}

if (form.zip.value == "") {
submitform = false;
errortext += "Please fill in your zip code.\n";
}

if (form.country.value == "") {
submitform = false;
errortext += "Please fill in your country.\n";
}

if (form.phone.value == "") {
submitform = false;
errortext += "Please fill in your phone number.\n";
}
if (form.captcha.value == "") {
submitform = false;
errortext += "Please fill in the captcha code.\n";
}

if (submitform == false) {
alert(errortext);
return false;
}

}