var y;
	var x;	
	
  function tab_mouseover(id){
	  getElem("id",id,null).style.backgroundColor = '#B7D0FF';
  }

  function tab_mouseout(id){
	  getElem("id",id,null).style.backgroundColor = '#C6DAFF';

  }
	
  function tab_mouseclick(id){
	  if (getElem("id",id,null).style.display == 'none'){
		  getElem("id",id,null).style.display = 'block';
		}
	  else {
 		  getElem("id",id,null).style.display = 'none';
		}
  }
	
  function tab_mouseclick2(id,aktuell,anzahl){
		for (var i=1 ; i<=anzahl; i++) {
 		  getElem("id",id+i,null).style.display = 'none';
		}
	  getElem("id",id+aktuell,null).style.display = 'block';
  }
		
  function infobox(id){
		// Vertikale Scrollposition muss noch mit einbezogen werden
		var scrolladd;
		if (MS || OP) {
			scrolladd = document.body.scrollTop;
			y = window.event.clientY;
			x = window.event.clientX;
		}	else {
			scrolladd = window.pageYOffset;
		}
		getElem("id","infobox_"+id,null).style.top = y - 110 + scrolladd;
		getElem("id","infobox_"+id,null).style.left = x + 5;
		getElem("id","infobox_"+id,null).style.visibility = 'visible';
  }
	
  function infobox_out(id){
		getElem("id","infobox_"+id,null).style.visibility = 'hidden';
  }