//------------------------------------------------------------------------------

var ie4=document.all;
var ns6=document.getElementById&&!document.all;
var ns4=document.layers;

//------------------------------------------------------------------------------

function tree(id) {
    var minus = new Image; minus.src = mediaServer + "common/minus.gif";
    var plus = new Image; plus.src = mediaServer + "common/plus.gif";

    var el = "image";
    imgobj = ie4? eval("document.all." + el + id) : ns6? document.getElementById(el + id) : ns4? eval("document." + el + id) : "";

    var el = "layer";
    treeobj = ie4? eval("document.all." + el + id) : ns6? document.getElementById(el + id) : ns4? eval("document." + el + id) : "";
    if (window.treeobj) treeobj.thestyle = (ie4||ns6)? treeobj.style : treeobj;

    if(treeobj.thestyle.display=="") {
        treeobj.thestyle.display="none";
        imgobj.src = plus.src;
    }
    else {
        treeobj.thestyle.display="";
        imgobj.src = minus.src;
    }
}

//------------------------------------------------------------------------------

function accessTree(id) {
    var minus = new Image; minus.src = mediaServer + "common/minus.gif";
    var plus = new Image; plus.src = mediaServer + "common/plus.gif";

    var el = "accessForm.image";
    imgobj = ie4? eval("document.all." + el + id) : ns6? document.getElementById(el + id) : ns4? eval("document." + el + id) : "";

    var el = "layer";
    treeobj = ie4? eval("document.all." + el + id) : ns6? document.getElementById(el + id) : ns4? eval("document." + el + id) : "";
    if (window.treeobj) treeobj.thestyle = (ie4||ns6)? treeobj.style : treeobj;

    if(treeobj.thestyle.display=="") {
        treeobj.thestyle.display="none";
        imgobj.src = plus.src;
    }
    else {
        treeobj.thestyle.display="";
        imgobj.src = minus.src;
    }
}

//------------------------------------------------------------------------------

function check(field) {
    for (i = 0; i < field.length; i++) {
        field[i].checked = field[0].checked;
    }
}

//------------------------------------------------------------------------------