function verify() {
//set variable message to display
var themessage = "You are required to complete the following fields: ";

//first name validation
if (document.contactform.fname.value=="") {
themessage = themessage + " - First Name";
}
//last name validation
if (document.contactform.lname.value=="") {
themessage = themessage + " - Last Name";
}
//address 1
if (document.contactform.street1.value==""){
	themessage = themessage + " - Address 1";
}
//city
if (document.contactform.city.value==""){
	themessage = themessage + " - City";
}
//state
if (document.contactform.state.value=="0"){
	themessage = themessage + " - State";
}
//zip
if (document.contactform.zip.value==""){
	themessage = themessage + " - Zip";
}
//phone number validation
if (document.contactform.phone.value=="") {
themessage = themessage + " - Telephone";
}
//email validation
if (document.contactform.email.value=="") {
themessage = themessage + " - E-mail";
}
//alert if fields are empty and cancel form submit
if (themessage == "You are required to complete the following fields: ") {
//submit form if all checks pass
document.contactform.submit();
}
else {
alert(themessage);
return false;
   }
}