function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

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) { //v4.0
  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 && document.getElementById) x=document.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

    var currentLayer = 1;

    // needed for Mozilla m17;
    var loaded = false;

    function showMenu( whichLayer ) {

        clearMenu( currentLayer );
        currentLayer = whichLayer;

        if (document.getElementById) {
                    // MSIE 5.x, Opera 4.x, Mozilla m17, Netscape 6PR2
                    layerName = document.getElementById("subMenu" + whichLayer);
                    layerName.style.visibility = "visible";
        }
        else {
            if (document.all) {
                    // MSIE 4.x
                    layerName = eval("subMenu" + whichLayer);
                    layerName.style.visibility = "visible";
            } else {
                if (document.layers) {
                    // Netscape 4.x
                    //document.layers["hoofdMenu"].visibility = "hidden";
                    //layerName = "hoofdMenu" + whichLayer;
                    //document.layers[layerName].visibility = "visible";
                    layerName = "subMenu" + whichLayer;
                    document.layers[layerName].visibility = "visible";
                }
            }
        }
    }

    function clearMenu( currentLayer ) {
        // maak layers hidden
        if (document.getElementById) {
                    leegLayer = document.getElementById("subMenu" + currentLayer);
                    leegLayer.style.visibility = "hidden";
        } else {
            if (document.all) {
                    leegLayer = "subMenu" + currentLayer;
                    document.all[leegLayer].style.visibility = "hidden";
            } else {
                if (document.layers) {
                    leegLayer = "subMenu" + currentLayer;
                    document.layers[leegLayer].visibility = "hidden";
                    //leegLayer = "hoofdMenu" + currentLayer;
                    //document.layers[leegLayer].visibility = "hidden";
                    //document.layers["hoofdMenu"].visibility = "visible";
                }
            }
        }
    }

    function counterMenu() {
        counter++;
        if (counter == 30) clearMenu( currentLayer );
        setTimeout("counterMenu()", 100);
    }

    var counter = 31;
    counterMenu();

    // functie om in IE en Mozilla m17 de achtergrondkleur te wijzigen
    function changeBg(cellName,cellColor) {
        if (loaded && document.getElementById) {
            cellElement = document.getElementById(cellName);
            cellElement.style.background = cellColor;
        }
        else if (document.all) {
            document.all[cellName].bgColor = cellColor;
        }
    }

    function initMenu() {
        // needed for Mozilla m17;
        setTimeout("loaded = true;", 0);
    }

    function OpenProgramWindow(strFilm){
            var newWin = window.open(strFilm,'Festival_Program','height=556,width=598,top=100,left=100,toolbars=no,scrollbars=yes');
            newWin.focus
    }

    function OpenTicketWindow(){
                    var ticWin =
    window.open("http://www.trilogyticketing.com/frameline/",'Festival_Tickets',
    '');
                    ticWin.focus
    }

    function OpenTShirtWindow(ts){
                    var newWin = window.open(ts, 'T_Shirts','height=500,width=400,top=15,left=100,toolbars=no,scrollbars=yes');
                    newWin.focus
    }

    function doToolTip(idName) {
    	var elementName = idName;
    	var hideName = "hidedesc_" + idName;
    	var showName = "showdesc_" + idName;
    	gId(elementName).innerHTML = "Loading..";
    	gId(elementName).style.display = 'block';
    	gId(elementName).style.margin = '5px';
    	gId(hideName).style.display = 'inline';
    	gId(showName).style.display = 'none';
    	p = xmlHTTPRequest('/festival/29th/programs/get_description.cgi?film=' + idName);
    	gId(elementName).innerHTML = p;
    }	

    function removeToolTip(idName) {
    	gId("hidedesc_" + idName).style.display = 'none';
    	gId("showdesc_" + idName).style.display = 'inline';
    	//gId(id).style.className = 'description';
    	gId(idName).style.display = 'none';

    }