var arrDynaList = new Array();
var arrDL1 = new Array();
arrDL1[1] = "provID";               // Name of parent list box
arrDL1[2] = "form1";                // Name of form containing parent list box
arrDL1[3] = "cityID";               // Name of child list box
arrDL1[4] = "form1";                // Name of form containing child list box
arrDL1[5] = arrDynaList;



function setDynaList(arrDL){

  //alert('setDynaList called');

  var oList1 = document.forms[arrDL[2]].elements[arrDL[1]];
  var oList2 = document.forms[arrDL[4]].elements[arrDL[3]];
  var arrList = arrDL[5];

  clearDynaList(oList2);

  if (oList1.selectedIndex == -1) {
    oList1.selectedIndex = 0;
  }

  populateDynaList(oList2, oList1[oList1.selectedIndex].value, arrList);
  return true;

}



function clearDynaList(oList){

  //alert('clearDynaList called');

  for (var i = oList.options.length; i >= 0; i--){
  oList.options[i] = null;
  }

  oList.selectedIndex = -1;

}



function populateDynaList(oList, nIndex, aArray){

  //alert('populateDynaList called');

  oList[oList.length]= new Option("Selecteer een plaats...");
  for (var i = 0; i < aArray.length; i= i + 3) {
    if (aArray[i] == nIndex) {
      oList.options[oList.options.length] = new Option(aArray[i + 1], aArray[i + 2]);
    }
    // oList.size=oList.length //You need to comment out this line of the function if you use this mod
  }

  //A quick mod here, I changed the ==0 to ==1 so that the length
  //takes into account the Please select option from above.
  if (oList.options.length == 1) {
    oList.options[oList.options.length] = new Option("Kies een provincie...");
    oList.selectedIndex = 0;
    oList.disabled = true;
  }
  else {
    oList.selectedIndex = 0;
    oList.disabled = false;
  }

  toggleBtn();

}



function setDynaListInitValues( cityToSelect ) {

 	if (document.layers) {
    var cityList = document.forms["form1"].elements["cityID"];
  }
 	if (document.all) {
    var cityList = document.forms["form1"].elements["cityID"];
  }
 	if (document.getElementById) {
    var cityList = document.forms["form1"].elements["cityID"];
  }

  for (var i = 0; i < cityList.length; i++) {
    if (cityList[i].value == cityToSelect) {
      //alert('gevonden: ' + i);
      cityList.selectedIndex = i;
    }
  }
  toggleBtn();

}


function toggleBtn() {

  //alert('enableBtn called');

 	if (document.layers) {
    elBtn = document.layers["imageField"];
    var oList2 = document.forms["form1"].elements["cityID"];
  }
 	if (document.all) {
    elBtn = document.all["imageField"];
    var oList2 = document.forms["form1"].elements["cityID"];
  }
 	if (document.getElementById) {
    elBtn = document.getElementById("imageField");
    var oList2 = document.forms["form1"].elements["cityID"];
  }

  if ((oList2.disabled == true) || (oList2.selectedIndex == 0)) {
    elBtn.src = "/img/go_disabled.gif";
    elBtn.disabled = true;
    elBtn.style.cursor = 'default';
  }
  else {
    elBtn.src = "/img/go.gif";
    elBtn.disabled = false;
    elBtn.style.cursor = 'hand';
  }

}



function MM_callJS(jsStr) { //v2.0
  return eval(jsStr)
}



function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}



function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}



function MM_nbGroup(event, grpName) { //v6.0
  var i,img,nbArr,args=MM_nbGroup.arguments;
  if (event == "init" && args.length > 2) {
    if ((img = MM_findObj(args[2])) != null && !img.MM_init) {
      img.MM_init = true; img.MM_up = args[3]; img.MM_dn = img.src;
      if ((nbArr = document[grpName]) == null) nbArr = document[grpName] = new Array();
      nbArr[nbArr.length] = img;
      for (i=4; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
        if (!img.MM_up) img.MM_up = img.src;
        img.src = img.MM_dn = args[i+1];
        nbArr[nbArr.length] = img;
    } }
  } else if (event == "over") {
    document.MM_nbOver = nbArr = new Array();
    for (i=1; i < args.length-1; i+=3) if ((img = MM_findObj(args[i])) != null) {
      if (!img.MM_up) img.MM_up = img.src;
      img.src = (img.MM_dn && args[i+2]) ? args[i+2] : ((args[i+1])? args[i+1] : img.MM_up);
      nbArr[nbArr.length] = img;
    }
  } else if (event == "out" ) {
    for (i=0; i < document.MM_nbOver.length; i++) {
      img = document.MM_nbOver[i]; img.src = (img.MM_dn) ? img.MM_dn : img.MM_up; }
  } else if (event == "down") {
    nbArr = document[grpName];
    if (nbArr)
      for (i=0; i < nbArr.length; i++) { img=nbArr[i]; img.src = img.MM_up; img.MM_dn = 0; }
    document[grpName] = nbArr = new Array();
    for (i=2; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
      if (!img.MM_up) img.MM_up = img.src;
      img.src = img.MM_dn = (args[i+1])? args[i+1] : img.MM_up;
      nbArr[nbArr.length] = img;
  } }
}


function jumpToCat( form ) {

  var index = form.catID.selectedIndex;
  if ( form.catID.options[index].value != "0" ) {
    location = form.catID.options[index].value;
    //alert('url: ' + form.catID.options[index].value);
  }



}

function limitText(limitField, limitCount, limitNum) {
	if (limitField.value.length > limitNum) {
		limitField.value = limitField.value.substring(0, limitNum);
	} else {
		limitCount.value = limitNum - limitField.value.length;
	}
}