/* DHTML-Bibliothek */

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

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) {
 if(p2 == null) {
    p2 = p1;
    p1 = "id";
 }
 
 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 mark(name)
{
  if (DOM || MS) {
    document.write('<div id="' + name + '">&nbsp;</div>');
  } else if (NS) {
    document.write('<ilayer name="' + name + '">&nbsp;</ilayer>');
  }
}

function posLayer(layer, layerRel, offset_y, offset_x)
{
  var rel_layer = getElem(layerRel);
  
  var left = 0;
  var top = 0;

  if (offset_x == null) {
    offset_x = 0;
  }
  if (offset_y == null) {
    offset_y = 0;
  }

  if (DOM || MS) {
    left = getLeft(rel_layer);
    top = getTop(rel_layer);
  } else if (NS) {
    left = rel_layer.pageX;
    top = rel_layer.pageY;
  }
  
  SetPosition(getElem(layer), left + offset_x, top + offset_y);
}

function SetPosition(layer, left, top)
{
  if (DOM && !MS)
  {
    layer.style.left = left;
    layer.style.top = top;
  }
  else if (NS)
  {
    layer.pageX = left;
    layer.pageY = top;
  }
  else if (MS)
  {
    layer.style.posLeft = left;
    layer.style.posTop = top;
  }
}

function getLeft(l)
{
  if (l.offsetParent) {
    return (l.offsetLeft + getLeft(l.offsetParent));
  } else {
    return (l.offsetLeft);
  }
}
function getTop(l)
{
  if (l.offsetParent) {
    return (l.offsetTop + getTop(l.offsetParent));
  } else {
    return (l.offsetTop);
  }
}

function setVisible(layer) {
  l = getElem(layer);
  if (DOM || MS) {
    l.style.visibility = "visible";
  } else if (NS) {
    l.visible = "true";
  }
}


function getComputedWidth(currentElement)
{
	if(DOM || MS)
	{
    	tmphght = currentElement.offsetWidth;
	}
    else
    {
    	var tmphght1 = document.defaultView.getComputedStyle(currentElement, "").getPropertyValue("width");
        tmphght = tmphght1.split('px');
        tmphght = tmphght[0];
	}
    return tmphght;
}

function getComputedHeight(currentElement)
{
	if(DOM || MS)
	{
    	tmphght = currentElement.offsetHeight;
	}
    else
    {
    	var tmphght1 = document.defaultView.getComputedStyle(currentElement, "").getPropertyValue("height");
        tmphght = tmphght1.split('px');
        tmphght = tmphght[0];
	}
    return tmphght;
}