function verify() {
var themessage = "The following fields are required:";
if (document.getElementById('formEstimate').Name.value=="") {
themessage = themessage + "\n\n - Name";
}
if (document.getElementById('formEstimate').Email.value=="") {
themessage = themessage + "\n\n -  E-Mail";
}
//alert if fields are empty and cancel form submit
if (themessage == "The following fields are required:") {
document.getElementById('formEstimate').submit();
}
else {
alert(themessage);
return false;
   }
}