// 1. Funktion fuer den Zugriff aufs Dokument
function DivObjDocument(div_id) 
{
    if (!div_id || div_id.length==0) {
       div_obj = document;
    }
    else {
       if (document.getElementById) {
          div_obj = document; // W3C
       }   
       else if (document.layers) {
          div_obj = eval("document."+div_id+".document");
       }
       else if (document.all) {
          div_obj = eval("document.all."+div_id+".document");
       }   
    }   
    return div_obj;
}     
// 2. Funktion fuer den Zugriff aufs Style Sheet
function DivObjStyle(div_id)
{
    if (!div_id || div_id.length==0)
    {
       if (document.getElementById) {
           div_obj = document.style;
       }    
       else if (document.layers) {
           div_obj = document;
       }
       else if (document.all) {
           div_obj = document.all.style;
       }
    }
    else {   
       if (document.getElementById) {
          div_obj = document.getElementById(div_id).style;
       }    
       else if (document.layers) {
          div_obj = eval("document."+div_id);
       }
       else if (document.all) {
          div_obj = eval("document.all."+div_id+".style");
       }
    }   
    return div_obj;
}



function verstecke(){
DivObjStyle("Layer2").visibility = "hidden";
}

function zeige(){
DivObjStyle("lineal").visibility = "visible";
DivObjStyle("linealv").visibility = "visible";
}

//Specify highlight behavior. "TD" to highlight table cells, "TR" to highlight the entire row:
var highlightbehavior="TD"

var ns6=document.getElementById&&!document.all
var ie=document.all

function changeto(e,highlightcolor){
source=ie? event.srcElement : e.target
if (source.tagName=="TABLE")
return
while(source.tagName!=highlightbehavior && source.tagName!="HTML")
source=ns6? source.parentNode : source.parentElement
if (source.style.backgroundColor!=highlightcolor&&source.id!="ignore")
source.style.backgroundColor=highlightcolor
}

function contains_ns6(master, slave) { //check if slave is contained by master
while (slave.parentNode)
if ((slave = slave.parentNode) == master)
return true;
return false;
}

function changeback(e,originalcolor){
if (ie&&(event.fromElement.contains(event.toElement)||source.contains(event.toElement)||source.id=="ignore")||source.tagName=="TABLE")
return
else if (ns6&&(contains_ns6(source, e.relatedTarget)||source.id=="ignore"))
return
if (ie&&event.toElement!=source||ns6&&e.relatedTarget!=source)
source.style.backgroundColor=originalcolor
}

var ie=document.all
var ns6=document.getElementById&&!document.all

var dragapproved=false
var z,x,y

function move(e){
if (dragapproved){
z.style.left=ns6? temp1+e.clientX-x: temp1+event.clientX-x
z.style.top=ns6? temp2+e.clientY-y : temp2+event.clientY-y
return false
}
}

function drags(e){
if (!ie&&!ns6)
return
var firedobj=ns6? e.target : event.srcElement
var topelement=ns6? "HTML" : "BODY"

while (firedobj.tagName!=topelement&&firedobj.className!="drag"){
firedobj=ns6? firedobj.parentNode : firedobj.parentElement
}

if (firedobj.className=="drag"){
dragapproved=true
z=firedobj
temp1=parseInt(z.style.left+0)
temp2=parseInt(z.style.top+0)
x=ns6? e.clientX: event.clientX
y=ns6? e.clientY: event.clientY
document.onmousemove=move
return false
}
}
document.onmousedown=drags
document.onmouseup=new Function("dragapproved=false")