function checkScript() {

if(document.form1.your_name.value == "") {
    alert("Please enter your name.");
    return false;
}

if(document.form1.your_email.value == "") {
    alert("Please enter your e-mail address.");
    return false;
}

if(document.form1.company_zip.value == "") {
    alert("Please enter your zip code.");
    return false;
}

for(i=0;i<document.form1.elements['desc[]'].length;i++) {

if(document.form1.elements['desc[]'][i].checked == true) {

   if(document.form1.elements['desc[]'][i].value == "Other") {

   if(document.form1.other.value == "") {
      alert("You selected OTHER requested services.  Please tell us what services you would like.");
      return false;
   }

}

}

}

   return true;

}