function backgroundposition() 
{
  var myWidth = 0, myHeight = 0; myMiddle = 0; myLefty = 0; myBackposition = 0; myHeighty = 0;
  if( typeof( window.innerWidth ) == 'number' ) 
  {
    //Non-IE
    myWidth = window.innerWidth;
    myHeight = window.innerHeight;
  } else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) 
  {
    //IE 6+ in 'standards compliant mode'
    myWidth = document.documentElement.clientWidth;
    myHeight = document.documentElement.clientHeight;
  } else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) 
  {
    //IE 4 compatible
    myWidth = document.body.clientWidth;
    myHeight = document.body.clientHeight;
  }
  // EndPosition Background
  //myMiddle = myWidth/2;
  //myLefty = myMiddle-400;
  //myBackposition = myLefty-800;

  //document.getElementById('main').style.background='url(../bg_images/bg_transparent_white1000.png)'+ myBackposition +'px 0px no-repeat';
  //document.getElementById('container').style.background='url(tl_files/roettele/bg_images/bg_transparent_white.png)'+ myBackposition +'px 0px repeat';
  //document.getElementById('right').style.background='url(tl_files/roettele/bg_images/bg_transparent_white.png)'+ myBackposition +'px 0px repeat';

  // Ermittle Höhe vom Wrapper
  //myHeighty = myHeight-0;
  myHeighty = myHeight-144;
  //document.getElementById('main').style.height=myHeighty +'px';
  document.getElementById('right').style.height=myHeighty +'px';
  document.getElementById('container').style.height=myHeighty +'px';
  
  //return myBackposition;
  //window.alert( 'Breite = ' + myWidth );
  //window.alert( 'Mitte = ' + myMiddle );
  //window.alert( 'Links = ' +myLefty );
  //window.alert( 'Background Position = ' + myBackposition );
  //window.alert( 'Height = ' + myHeight );
  
  window.onresize = backgroundposition;
  
  
  button_id = self.location.href.split("=");
  button_id = button_id[1];
  if (button_id)
  {
  	var button=document.getElementById(button_id).src="tl_files/roettele/markenlogos_weiss/"+button_id+"_active.png";
        var button=document.getElementById(button_id).onmouseover="tl_files/roettele/markenlogos_weiss/"+button_id+"_active.png";
  	//alert('active button is: ' + button_id);
  }
}



//Funktion getElementsByClassName
document.getElementsByClassName = function(cl){
	var retnode = [];
	var myclass = new RegExp('\\b'+cl+'\\b');
	var elem = this.getElementsByTagName('*');
	for (var i = 0; i < elem.length; i++){
		var classes = elem[i].className;
		if (myclass.test(classes)) retnode.push(elem[i]);
	}
	return retnode;
};


//Funktion Bilder vorladen
function replace_img(){
    if (load_img.complete) {
        document['target_img'].src=load_img.src;
        clearInterval(timerid);
    } 
}

/* function block ()
{
	var relevant=document.URL.split('?')[1];
        if(relevant=='blockright')
        {
                document.getElementById('right').style.display='block';
                document.getElementById('rightbg').style.display='block';
        }
} */

function article_content()
{
	var content = document.getElementsByClassName ('mod_article')[0].innerHTML;
	document.getElementById ('active_content').innerHTML=content;
	document.getElementsByTagName('h1')[0].style.display='none';
	//alert (content);
}

function get_backgroundimage()
{
	// setzt hintergrundbild
	var uri = document.URL;
	// alert (self.location.path);
	if (self.location.pathname == "/" || self.location.pathname == "/_index.php" || self.location.pathname == "/relaunch/" || self.location.pathname == "/index.php" || self.location.pathname == "/relaunch/index.php") {
		document.getElementsByTagName('html')[0].style.backgroundImage="url('http://www.roettele.de/relaunch/tl_files/roettele/bg_images/seitenbilder/mobile/alberto_960X960.jpg')";
		}
	if (uri.indexOf('/news-48')!=-1){
		document.getElementsByTagName('html')[0].style.backgroundImage="url('http://www.roettele.de/relaunch/tl_files/roettele/bg_images/seitenbilder/mobile/standard_960.jpg')";
		}
	if (uri.indexOf('/unser_haus')!=-1){
		document.getElementsByTagName('html')[0].style.backgroundImage="url('http://www.roettele.de/relaunch/tl_files/roettele/bg_images/seitenbilder/mobile/Haus_960X960.jpg')";
		}
	if (uri.indexOf('/oeffnungszeiten')!=-1){
		document.getElementsByTagName('html')[0].style.backgroundImage="url('http://www.roettele.de/relaunch/tl_files/roettele/bg_images/seitenbilder/mobile/bild_2.jpg')";
		}
	if (uri.indexOf('/kontakt')!=-1){
		document.getElementsByTagName('html')[0].style.backgroundImage="url('http://www.roettele.de/relaunch/tl_files/roettele/bg_images/seitenbilder/mobile/bild_4.jpg')";
		}
}