var winHandle = new Array(5);
var winName = "";

function submit_form(myForm1) {

  var chosenWindow = -1;
  var newWindow    = -1;
  var theURL   =  "loading.html";
  var features =  "menubar=yes,scrollbars=yes,resizable=yes,width=590,height=400,screenx=100,screeny=100,top=100,left=100";
  var myForm   =  document.choose_time_form;
  winName  =  myForm.ser_ref.value;

 for (var i = 0; i < myForm.day_button.length; i++)
  {
    if (myForm.day_button[i].checked==true){
        winName += myForm.day_button[i].value;
    }
  }

  if (myForm.dir_button[1].checked == true) {
    winName += myForm.dir_button[1].value;
  }
  else {
    winName += myForm.dir_button[0].value;
  }

  for (var i = 0; i < 6; i++) {
    if (winHandle[i] && !winHandle[i].closed) {
        if (winHandle[i].name == winName) {
          chosenWindow = i;
        }
      }
    else { // used to find the last unused position in the array
        newWindow = i;
      }
  }

  if (chosenWindow != -1) {
    alert("this timetable is already open");
    winHandle[chosenWindow].focus();
  }
  else {

    winHandle[newWindow] = window.open(theURL,winName,features);
  }

}

function submit_form3(myForm1) {
//alert("enter");
  var chosenWindow = -1;
  var newWindow    = -1;
  var theURL   =  "loading.html";
  var features =  "menubar=yes,scrollbars=yes,resizable=yes,width=590,height=400,screenx=100,screeny=100,top=100,left=100";
  var myForm   =  document.choose_time_form;
  winName  =  myForm.ser_ref.value;
alert(winName);
 for (var i = 0; i < myForm.day_button.length; i++)
  {
    if (myForm.day_button[i].checked==true){
        winName += myForm.day_button[i].value;
    }
  }
alert(winName);
  //if (myForm.dir_button[1].checked == true) {
    winName += myForm.dir_button[1].value;
  //}
  //else {
    winName += myForm.dir_button.value;
  //}
alert(winName);
  //for (var i = 0; i < 6; i++) {
    //if (winHandle[i] && !winHandle[i].closed) {
      //  if (winHandle[i].name == winName) {
        //  chosenWindow = i;
        //}
      //}
    //else { // used to find the last unused position in the array
      //  newWindow = i;
      //}
  //}
alert("hello 3");
  if (chosenWindow != -1) {
    alert("this timetable is already open");
    winHandle[chosenWindow].focus();
  }
  else {
alert(theURL+" "+winName+" "+features);
    winHandle[newWindow] = window.open(theURL,winName,features);
  }

}
function submit_form2() {

  var myForm   =  document.choose_time_form;

  myForm.action = "timetable.asp";
  myForm.method = "get";
  myForm.target = winName;
  myForm.submit();
  return false;
}

function submit_form4() {

  var myForm   =  document.choose_time_form;

  myForm.action = "timetable2.asp";
  myForm.method = "get";
  myForm.target = winName;
  myForm.submit();
  return false;
}