var imagenumber = 28 ;
var randomnumber = Math.random() ;
var rand1 = Math.round( (imagenumber-1) * randomnumber) + 1 ;
images = new Array
images[1] = "images/cosmetic_dental.jpg"
images[2] = "images/white_teeth_smile.jpg"
images[3] = "images/family_dental.jpg"
images[4] = "images/cosmetic_dental.jpg"
images[5] = "images/family_smiles.jpg"
images[6] = "images/cosmetic_dental.jpg"
images[7] = "images/beautiful_smile.jpg"
images[8] = "images/healthy_smile.jpg"
images[9] = "images/smile_model.jpg"
images[10] = "images/cosmetic_dental.jpg"
images[11] = "images/gorgeous_smile.jpg"
images[12] = "images/smile_makeover.jpg"
images[13] = "images/smiling_dentistry.jpg"
images[14] = "images/cosmetic_dental.jpg"
images[15] = "images/veneer_smile.jpg"
images[16] = "images/bright_smile.jpg"
images[17] = "images/cosmetic_dental.jpg"
images[18] = "images/pretty_smile.jpg"
images[19] = "images/healthy_teeth.jpg"
images[20] = "images/dental_guy.jpg"
images[21] = "images/smiling_pretty.jpg"
images[22] = "images/smile_dental_patient.jpg"
images[23] = "images/patient_smile.jpg"
images[24] = "images/implants_smile.jpg"
images[25] = "images/smiling_teens.jpg"
images[26] = "images/teeth_whitening.jpg"
images[27] = "images/cosmetic_dental.jpg"
images[28] = "images/healthy_dental.jpg"
var image = images[rand1]


function validate2() {
var theMessage = "Before sending this request: \n--------------------------------------\n";
var noErrors = theMessage
if (document.contactForm.firstName.value=="") {theMessage = theMessage + "\n > Please enter your name";}
if (document.contactForm.lastName.value=="") {theMessage = theMessage + "\n > Enter your last name";}
if (document.contactForm.homePhone.value=="") {theMessage = theMessage + "\n > Enter your phone number";}
if (!/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,4})+$/.test(document.contactForm.email.value)){theMessage = theMessage + "\n > Enter a valid email address";}
if (theMessage == noErrors) {return true;
} else {
alert(theMessage);
return false;
}
}

function validate3() {
var theMessage = "Before sending this referral: \n--------------------------------------\n";
var noErrors = theMessage
if (document.referralForm.referrerPerson.value=="") {theMessage = theMessage + "\n > Please enter your name";}
if (document.referralForm.referrerPhone.value=="") {theMessage = theMessage + "\n > Enter your phone number";}
if (document.referralForm.patientName.value=="") {theMessage = theMessage + "\n > Enter the patient's name";}
if (document.referralForm.patientPhone.value=="") {theMessage = theMessage + "\n > Enter the patient's phone";}
if (document.referralForm.address.value=="") {theMessage = theMessage + "\n > Enter the patient's address";}
if (document.referralForm.city.value=="") {theMessage = theMessage + "\n > Enter the patient's city";}
if (document.referralForm.state.value=="") {theMessage = theMessage + "\n > Enter the patient's state";}
if (document.referralForm.zip.value=="") {theMessage = theMessage + "\n > Enter the patient's zip code";}
if (document.referralForm.comment.value=="") {theMessage = theMessage + "\n > Enter reason for referral";}
if (theMessage == noErrors) {return true;
} else {
alert(theMessage);
return false;
}
}

<!--
function ReverseDisplay(d) {
if(document.getElementById(d).style.display == "none") { document.getElementById(d).style.display = "block"; }
else { document.getElementById(d).style.display = "none"; }
}
//-->