function popUp_Open (text) {
		if (!text)
			text = "<div id='loading'><img src='fileadmin/template/ajax-loading.gif'></div>";

		document.getElementById("popUpContainer").style.visibility = 'visible';
  		document.getElementById("popUpContainer").style.display= 'block';
		document.getElementById("popUpContainer").style.width = '100%';
	  	document.getElementById("popUpContainer").style.height = '100%';
		
		document.getElementById("popUp").style.visibility = 'visible';
		document.getElementById("popUp").style.display= 'block';
		document.getElementById("popUp").style.width = '50%';
		document.getElementById("popUp").style.height = '50%';
		document.getElementById("popUp").style.left= '25%';
		document.getElementById("popUp").style.top= '25%';
		
		document.getElementById("popUpText").innerHTML = text;
  }
  
  function popUp_Close () {
  	document.getElementById("popUpContainer").style.visibility = 'hidden';
  	document.getElementById("popUpContainer").style.width = '0px';
  	document.getElementById("popUpContainer").style.height = '0px';
  	document.getElementById("popUpContainer").style.display= 'none';
  	
	document.getElementById("popUp").style.visibility = 'hidden';
  	document.getElementById("popUp").style.width = '0px';
  	document.getElementById("popUp").style.height = '0px';
  	document.getElementById("popUp").style.display= 'none';
	
	document.getElementById("popUpText").innerHTML = '';
  }