function formCheck(formobj) {
	// Enter name of mandatory fields
	var fieldRequired = Array(
	  "title",
	  "firstname",
	  "lastname",
	  "email",
	  "phone",
	  //"fax",
	  "school",
	  "workshop",
	  "abstract",
	  "commercial",
	  "audience[]",
	  "min",
	  "max",
	  "room",
	  "sess_length",
	  "privacy"
   );
  
	// Enter field description to appear in the dialog box
	var fieldDescription = Array(
	  "Title",
	  "First Name",
	  "Last Name",
	  "Email Address",
	  "Contact Phone Number",
	  //"Contact Fax Number",
	  "School/Institution Name (in full)",
	  "Title of Workshop",
	  "Abstract",
	  "Does this workshop promote a commercial product?",
	  "Target Audience",
	  "Minimum number of participants",
	  "Maximum number of participants",
	  "Type of Room Required",
	  "Length of Session",
	  "Agreement with Privacy Policy"
   );
  
	// dialog message
	var alertMsg = "Please complete the following fields:\n";
	var l_Msg = alertMsg.length;
	
	for (var i = 0; i < fieldRequired.length; i++) {
		var obj = formobj.elements[fieldRequired[i]];
		if (obj) {
			switch(obj.type) {
        case "select-one":
          if (obj.selectedIndex == -1 || obj.options[obj.selectedIndex].text == "") {
            alertMsg += " - " + fieldDescription[i] + "\n";
          }
          break;
        
        case "select-multiple":
          if (obj.selectedIndex == -1) {
            alertMsg += " - " + fieldDescription[i] + "\n";
          }
          break;
        
        case "text":
        case "textarea":
          if (obj.value == "" || obj.value == null) {
            alertMsg += " - " + fieldDescription[i] + "\n";
          }
          break;
        
        default:
          if (obj.type == undefined) {
            var blnchecked = false;
            for (var j = 0; j < obj.length; j++) {
              if (obj[j].checked){
                blnchecked = true;
              }
            }
            if (! blnchecked) {
              alertMsg += " - " + fieldDescription[i] + "\n";
            }
          }
		  }
    }
	}

	if (alertMsg.length == l_Msg) {
		return true;
    
	} else {
		alert(alertMsg);
		return false;
	}
}