// alle kategorien
var single;
var all;
var checkflagC = false;
function checkC() {
  var all = document.getElementById('checkallC').value;
  var single = all.split(",");
    if(checkflagC == "true"){
      for(i=0; i < single.length; i++){
        document.getElementById(single[i]).checked = false;
        checkflagC = "false";
      }
    }else{
      for(i=0; i < single.length; i++){
        document.getElementById(single[i]).checked = true;
        checkflagC = "true";     
      }   
   }
}
// alle regionen
var singleR;
var allR;
var checkflagR = false;
function checkR() {
  var allR = document.getElementById('checkallR').value;
  var singleR = allR.split(",");
    if(checkflagR == "true"){
      for(i=0; i < singleR.length; i++){
        document.getElementById(singleR[i]).checked = false;
        checkflagR = "false";
      }
    }else{
      for(i=0; i < singleR.length; i++){
        document.getElementById(singleR[i]).checked = true;
        checkflagR = "true";     
      }   
   }
}



// menuwechsel
function changeMenu(id){
  document.getElementById('act_l_' + id).className = 'nav';
  document.getElementById('site_' + id).className = 'nav';
  document.getElementById('act_r_' + id).className = 'nav';
  
  document.getElementById('nav_l_4').className = 'navcl';
  document.getElementById('site_4').className = 'nav_act';
  document.getElementById('nav_r_4').className = 'navcr';     
}

// mousewheel
function isOverSwf(mEvent)
{
	var elem;
	if (mEvent.srcElement) {
		elem = mEvent.srcElement;
	} else if (mEvent.target) {
		elem = mEvent.target;
	}
	if (elem.nodeName.toLowerCase() == "object" || elem.nodeName.toLowerCase() == "embed") {
			if (elem.getAttribute("classid") == "clsid:D27CDB6E-AE6D-11cf-96B8-444553540000") {
				return true;
			}
			if (elem.getAttribute("type") == "application/x-shockwave-flash") {
				return true;
			}
	}
	return false;
}

function onMouseWheel(event)
{
	if (!event)
		event = window.event;

	if (isOverSwf(event)) {
		return cancelEvent(event);
	}

	return true;
}

function cancelEvent(e)
{
	e = e ? e : window.event;
	if (e.stopPropagation)
		e.stopPropagation();
	if (e.preventDefault)
		e.preventDefault();
	e.cancelBubble = true;
	e.cancel = true;
	e.returnValue = false;
	return false;
}
if (window.addEventListener) window.addEventListener('DOMMouseScroll', onMouseWheel, false);
window.onmousewheel = document.onmousewheel = onMouseWheel;