/*
*	Container einblenden oder ausblenden
*/
	function displayLayer(elementToDisplay1, elementToDisplay2, elementToHide){
		hideLayer();
		
		for(i=1; i<4; i++){
			elementToDisplay_temp = "frage"+i;
			document.getElementById(elementToDisplay_temp).style.display = "block";
		}

		document.getElementById(elementToHide).style.display = "none";

		document.getElementById(elementToDisplay1).style.display = "block";
		document.getElementById(elementToDisplay2).style.display = "block";
	}
	
	function hideLayer(){
		for(i=1; i<4; i++){
			elementToHide = "antwort"+i;
			document.getElementById(elementToHide).style.display = "none";
			
			elementToHide = "frage"+i+"_aktiv";
			document.getElementById(elementToHide).style.display = "none";
		}
	}
	
	function hideLayer_2(elementToHide){
		document.getElementById(elementToHide).style.display = "none";
	}
	
	
	
	/* Show and Hide Layer */
	function hideLayer_standard(Layername) {
		document.getElementById(Layername).style.display = "none";
	}
	function showLayer_standard(LayerName) {
		document.getElementById(LayerName).style.display = "block";
	}
	
	function changeLayer_standard(LayerName, arrowName, buttonName) {
		if (document.getElementById(LayerName).style.display == "block") {
			document.getElementById(LayerName).style.display = "none";
			document.getElementById(arrowName).src='/images/page_layout/arrow_right.gif';
			document.getElementById(buttonName).src='/images/page_layout/button_plus.gif';
		} else {
			document.getElementById(LayerName).style.display = "block";
			document.getElementById(arrowName).src='/images/page_layout/arrow_down.gif';
			document.getElementById(buttonName).src='/images/page_layout/button_minus.gif';
		}
	}
	
/*
*	Funktion zum Bilder vorladen
*/
	function BilderVorladen() 
	{
    	document.Vorladen = new Array();

	    if(document.images)
	    {
	        for(var i = 0; i < BilderVorladen.arguments.length; i++)
	        {
	            document.Vorladen[i] = new Image();
	            document.Vorladen[i].src = BilderVorladen.arguments[i];
	        }
	    }
	}