function sendit() {
 if (document.enquiryform.dropchoice.options.selectedIndex == 0) {
  document.enquiryform.action = "mailto:isas@isas.com.au?subject=General Enquiry";
 } 
 else {
  document.enquiryform.action = "mailto:sales@isas.com.au?subject=Sales Enquiry"; 
 }
} 
function check(which){
 var pass=true;
 for (i=0;i<which.length;i++){
  var tempobj=which.elements[i];
  if(tempobj.name.substring(0,3) == "req"){ 
   if ((((tempobj.type=="text"||tempobj.type=="textarea")&&tempobj.value=="")||((tempobj.type=="text"||tempobj.type=="textarea")&&tempobj.value=='*'))||(tempobj.type.toString().charAt(0)=="s"&&tempobj.selectedIndex==-1)){
    pass=false;
    break;
   }
  } 
 }
 if (!pass){
  alert("Boxes with an asterix and enquiry must be filled in.");
  return false;
 }
 else
  sendit();
  document.enquiryform.submit();
  return true;
}