/* ************** dhtml wrapper ************* */

function GetElement(name) {
  if (GetElement)  {
        return document.getElementById(name);
  } else if (document.all) {
        return document.all[name];
  } else if (document.layers) {
        return document.layers[name];
  }
  return false;
}

function findPosX(obj)
{
	var curleft = 0;
	if (obj.offsetParent)
	{
		while (obj.offsetParent)
		{
			curleft += obj.offsetLeft
			obj = obj.offsetParent;
		}
	}
	else if (obj.x)
		curleft += obj.x;
	return curleft;
}

function findPosY(obj)
{
	var curtop = 0;
	if (obj.offsetParent)
	{
		while (obj.offsetParent)
		{
			curtop += obj.offsetTop
			obj = obj.offsetParent;
		}
	}
	else if (obj.y)
		curtop += obj.y;
	return curtop;
}

function winwidth() {
   if (self.innerHeight) { // alle ausser IE *grummel*
   	return self.innerWidth;
   } else if (document.documentElement && document.documentElement.clientHeight) {	// IE strict
   	return parseInt(document.documentElement.clientWidth);
   }
   return parseInt(document.body.clientWidth);
}

function winheight() {
   if (self.innerHeight) { // alle ausser IE *grummel*
   	return self.innerHeight;
   } else if (document.documentElement && document.documentElement.clientHeight) {	// IE strict
   	return parseInt(document.documentElement.clientHeight);
   }
   return parseInt(document.body.clientHeight);
}

/* ************* üblicher rotz ********** */

function checktool(f,check) {
   for (i=0;i<f.elements.length;i++) { f.elements[i].checked = check; }
}

function hidename(name) {
    t = GetElement(name).style;
    t.display="none";
}

function showname(name) {
    t = GetElement(name).style;
    t.display="block";
}

function showhide(name) {
    t = GetElement(name).style;
    if (t.display=="block") {
       t.display="none";
    } else {
       t.display="block";
    }
}