function hellgrau(objekt) {
  document.getElementById(objekt).className="hellgrau";
}

function dunkelgrau(objekt) {
  document.getElementById(objekt).className="dunkelgrau";
}

function hellgrau2(objekt) {
  document.getElementById(objekt).className=oldclass;
}

function dunkelgrau2(objekt) {
  oldclass=document.getElementById(objekt).className
  document.getElementById(objekt).className="tdselect";
}

function hellgrau3(objekt) {
  document.getElementById(objekt).className=oldclass;
}

function dunkelgrau3(objekt) {
  oldclass=document.getElementById(objekt).className
  document.getElementById(objekt).className="tdselect2";
}



function gehezu(objekt) {
  document.location.href=objekt;
}


/* DHTML-Bibliothek */
/* Quelle: SELFHTML / Stefan Münz / http://selfhtml.teamone.de/dhtml/beispiele/anzeige/dhtml.htm */

var DHTML = 0;
var DOM = 0;
var MS = 0;
var NS = 0;
var OP = 0;

var dragobjekt = null;
var dragx = 0;
var dragy = 0;
var posx = 0;
var posy = 0;


function draginit() {
  document.onmousemove = drag;
  document.onmouseup = dragstop;
}


function dragstart(element) {
  dragobjekt = element;
  dragx = posx - dragobjekt.offsetLeft;
  dragy = posy - dragobjekt.offsetTop;
}


function dragstop() {
  dragobjekt=null;
}


function drag(ereignis) {
  posx = document.all ? window.event.clientX : ereignis.pageX;
  posy = document.all ? window.event.clientY : ereignis.pageY;
  if(dragobjekt != null) {
    if ((posy - dragy) < 0) {
      posy = dragy;
    }
    if ((posx - dragx) < 0) {
      posx = dragx;
    }

    dragobjekt.style.left = (posx - dragx) + "px";
    dragobjekt.style.top = (posy - dragy)  + "px";
  }
}


function DHTML_init() {

 if (window.opera) {
     OP = 1;
 }
 if(document.getElementById) {
   DHTML = 1;
   DOM = 1;
 }
 if(document.all && !OP) {
   DHTML = 1;
   MS = 1;
 }
if(document.layers && !OP) {
   DHTML = 1;
   NS = 1;
 }
}

function getElem(p1,p2,p3) {
 var Elem;
 if(DOM) {
   if(p1.toLowerCase()=="id") {
     if (typeof document.getElementById(p2) == "object")
     Elem = document.getElementById(p2);
     else Elem = void(0);
     return(Elem);
   }
   else if(p1.toLowerCase()=="name") {
     if (typeof document.getElementsByName(p2) == "object")
     Elem = document.getElementsByName(p2)[p3];
     else Elem = void(0);
     return(Elem);
   }
   else if(p1.toLowerCase()=="tagname") {
     if (typeof document.getElementsByTagName(p2) == "object" || (OP && typeof document.getElementsByTagName(p2) == "function"))
     Elem = document.getElementsByTagName(p2)[p3];
     else Elem = void(0);
     return(Elem);
   }
   else return void(0);
 }
 else if(MS) {
   if(p1.toLowerCase()=="id") {
     if (typeof document.all[p2] == "object")
     Elem = document.all[p2];
     else Elem = void(0);
     return(Elem);
   }
   else if(p1.toLowerCase()=="tagname") {
     if (typeof document.all.tags(p2) == "object")
     Elem = document.all.tags(p2)[p3];
     else Elem = void(0);
     return(Elem);
   }
   else if(p1.toLowerCase()=="name") {
     if (typeof document[p2] == "object")
     Elem = document[p2];
     else Elem = void(0);
     return(Elem);
   }
   else return void(0);
 }
 else if(NS) {
   if(p1.toLowerCase()=="id" || p1.toLowerCase()=="name") {
   if (typeof document[p2] == "object")
     Elem = document[p2];
     else Elem = void(0);
     return(Elem);
   }
   else if(p1.toLowerCase()=="index") {
    if (typeof document.layers[p2] == "object")
     Elem = document.layers[p2];
    else Elem = void(0);
     return(Elem);
   }
   else return void(0);
 }
}

function getCont(p1,p2,p3) {
   var Cont;
   if(DOM && getElem(p1,p2,p3) && getElem(p1,p2,p3).firstChild) {
     if(getElem(p1,p2,p3).firstChild.nodeType == 3)
       Cont = getElem(p1,p2,p3).firstChild.nodeValue;
     else
       Cont = "";
     return(Cont);
   }
   else if(MS && getElem(p1,p2,p3)) {
     Cont = getElem(p1,p2,p3).innerText;
     return(Cont);
   }
   else return void(0);
}

function getAttr(p1,p2,p3,p4) {
   var Attr;
   if((DOM || MS) && getElem(p1,p2,p3)) {
     Attr = getElem(p1,p2,p3).getAttribute(p4);
     return(Attr);
   }
   else if (NS && getElem(p1,p2)) {
       if (typeof getElem(p1,p2)[p3] == "object")
        Attr=getElem(p1,p2)[p3][p4]
       else
        Attr=getElem(p1,p2)[p4]
         return Attr;
       }
   else return void(0);
}

function setCont(p1,p2,p3,p4) {
   if(DOM && getElem(p1,p2,p3) && getElem(p1,p2,p3).firstChild)
     getElem(p1,p2,p3).firstChild.nodeValue = p4;
   else if(MS && getElem(p1,p2,p3))
     getElem(p1,p2,p3).innerText = p4;
   else if(NS && getElem(p1,p2,p3)) {
     getElem(p1,p2,p3).document.open();
     getElem(p1,p2,p3).document.write(p4);
     getElem(p1,p2,p3).document.close();
   }
}

DHTML_init();


function markup (strElement,strPreTag,strPostTag) {
  if (document.all) {
     if (document.selection.createRange().text) {
       var str = document.selection.createRange().text;
       // strElement.focus();
       document.selection.createRange().text = strPreTag +  str +  strPostTag ;
     } else {
        document.forms[0].elements[strElement].value = document.forms[0].elements[strElement].value + '\n' + strPreTag + "  " + strPostTag;
     }
  } else {
        document.forms[0].elements[strElement].value = document.forms[0].elements[strElement].value + '\n' + strPreTag + "  " + strPostTag;
  }
}