// JScript File
    // interne link
    function doIntLink(strUrl){
        var newurl = "string";
        var strsearch = "#";
        var startpos = 0;
        var letterNow = 0;
        letterNow = eval(document.getElementById('letter').value);
        ageNow = eval(document.getElementById('agetab').value);

        var strsearchIda = "&ida=";
        var startposIda = 0;
        startposIda = strUrl.indexOf(strsearchIda, 0);
        if (startposIda == -1){
            startpos = strUrl.indexOf(strsearch, 0);
            if (startpos == -1){
                newurl = strUrl + '&idl=' + letterNow + '&ida=' + ageNow;
            }
            else{
                newurl = strUrl.replace('#','&idl=' + letterNow + '&ida=' + ageNow + '#');
            }
        }
        else{
            startpos = strUrl.indexOf(strsearch, 0);
            if (startpos == -1){
                newurl = strUrl + '&idl=' + letterNow;
            }
            else{
                newurl = strUrl.replace('#','&idl=' + letterNow + '#');
            }
        }
        document.getElementById('linkurl').value = newurl;
        __doPostBack('openInternalLink','');
    }
    function showHand(ctrl){
        ctrl.style.cursor = 'pointer';
    }
    function doButtonTop(val){
        var action =  document.getElementById('urlbtop' + val).value;
        if (action == 'lettergrootte')
        {
            //nothing
        }
        else {
            doIntLink(action);
        }
    }
    function jnDivOpen(strDiv){
        var divProp = 0;
        try 
        {
        // haal een willekeurige eigenschap van divTreeview om te kijken om de div gevonden wordt
        divPropTrv = document.getElementById(strDiv).style.height;
            return true;
        }
        catch(e) 
        {
            return false;
        }
        finally
        {
            divPropTrv = null;
        }
    }
    function searchClick()
    {
        document.getElementById('txtSearchText').value = "";
    }
    function doLetterGrootte(){
       var posLeft = eval(getX(document.getElementById('aLetterGrootte'))) - 2;
       var posTop = eval(getY(document.getElementById('aLetterGrootte'))) - 2;
       document.getElementById('divLetterGrootte').style.top = posTop + "px";
       document.getElementById('divLetterGrootte').style.left = posLeft + "px";
       document.getElementById('divLetterGrootte').style.display = ""; 
    }

function getY( oElement )
 {
 var iReturnValue = 0;
 while( oElement != null ) {
 iReturnValue += oElement.offsetTop;
 oElement = oElement.offsetParent;
 }
 return iReturnValue;
 }
 function getX( oElement )
 {
 var iReturnValue = 0;
 while( oElement != null ) {
 iReturnValue += oElement.offsetLeft;
 oElement = oElement.offsetParent;
 }
 return iReturnValue;
 }