// JavaScript Document
if(window.navigator.systemLanguage && !window.navigator.language) {
  function hoverIE(menu) {
    var LI = document.getElementById("header_menu").firstChild;
    do {
      if (sucheUL(LI.firstChild)) {
        LI.onmouseover=einblenden; LI.onmouseout=ausblenden;
      }
      LI = LI.nextSibling;
    }
    while(LI);
  }

  function sucheUL(UL) {
    do {
      if(UL) UL = UL.nextSibling;
      if(UL && UL.nodeName == "UL") return UL;
    }
    while(UL);
    return false;
  }

  function einblenden() {
    var UL = sucheUL(this.firstChild);
    UL.style.display = "block"; UL.style.backgroundColor = "silver";
  }
  function ausblenden() {
    sucheUL(this.firstChild).style.display = "none";
  }

  window.onload=hoverIE;
}

  function einblendenM(menu, active) 
  {
	  var getParam= get_GET_params();
	  
	  
	if(document.getElementById(menu).style.display == "none")
	{
		document.getElementById(menu).style.display = "block";
		document.getElementById(active).className = 'menu_active';
		
		if(getParam['view'] > 0 && navigator.appName == "Netscape" && document.getElementById('MediaPlayer1'))
		{
			hidePlayer();
		}
	}
  }
  
  function ausblendenM(menu, active) 
  {
  	  var getParam= get_GET_params();
	  
	if(document.getElementById(menu).style.display == "block")
	{
		document.getElementById(menu).style.display = "none";
		document.getElementById(active).className = '';
		
		if(getParam['view'] > 0 && navigator.appName == "Netscape" && document.getElementById('MediaPlayer1'))
		{
			showPlayer();
		}
	}
  }
  
  
function hidePlayer()
{
	document.getElementById('MediaPlayer1').style.visibility= "hidden";
}

function showPlayer()
{
	document.getElementById('MediaPlayer1').style.visibility= "visible";

}
  
function get_GET_params() {
   var GET = new Array();
   if(location.search.length > 0) {
      var get_param_str = location.search.substring(1, location.search.length);
      var get_params = get_param_str.split("&");
      for(i = 0; i < get_params.length; i++) {
         var key_value = get_params[i].split("=");
         if(key_value.length == 2) {
            var key = key_value[0];
            var value = key_value[1];
            GET[key] = value;
         }
      }
   }
   return(GET);
}
 
function get_GET_param(key) {
   var get_params = get_GET_params();
   if(get_params[key])
      return(get_params[key]);
   else
      return false;
}
  


function zeigeScrollBar () {
	window.document.getElementById("programmvorschau").style.display = "none";
}
function versteckeScrollBar () {
	window.document.getElementById("programmvorschau").style.display = "block";
}


//fade hack!
var z1 = 100;
var z2 = 0;
var z3 = 0;
var z4 = 0;
var visible = 'bild1';
var time = 10;
function start(ziel) {
	
	
	if (!document.getElementById('bild1')) {
	} else {
	
	window.setTimeout("start('" + ziel + "')", time);	
	
	if (z1 == 100) {
	visible = 'bild1';
	time = 4000;
	} else if (z2 == 100) {
	time = 4000;
	visible = 'bild2';
	} else if (z3 == 100) {
	time = 4000;
	visible = 'bild3';	
	} else if (z4 == 100) {
	time = 4000;
	visible = 'bild4';
	} else {
	time = 10;
	}
	
	if (visible == 'bild1') {
	document.getElementById('bannerlink').href = document.getElementById('bild1').alt;
	z1 = z1 - 1;
	z2 = z2 + 1;
	} else if (visible == 'bild2') {
	document.getElementById('bannerlink').href = document.getElementById('bild2').alt;
	z3 = z3 + 1;
	z2 = z2 - 1;
	} else if ( visible == 'bild3') {
	document.getElementById('bannerlink').href = document.getElementById('bild3').alt;
	z3 = z3 - 1;
	z4 = z4 + 1;
	}else if ( visible == 'bild4') {
	document.getElementById('bannerlink').href = document.getElementById('bild4').alt;
	z4 = z4 - 1;
	z1 = z1 + 1;
	}
	
	
	document.getElementById('bild1').style.opacity = z1 / 100;
	document.getElementById('bild2').style.opacity = z2 / 100;
	document.getElementById('bild3').style.opacity = z3 / 100;
	document.getElementById('bild4').style.opacity = z4 / 100;
	document.getElementById('bild1').style.filter="Alpha(opacity="+z1+")";
	document.getElementById('bild2').style.filter="Alpha(opacity="+z2+")";
	document.getElementById('bild3').style.filter="Alpha(opacity="+z3+")";
	document.getElementById('bild4').style.filter="Alpha(opacity="+z4+")";

	}

}