//==================================
//CrossBrowser Variablen Initialisierung
//===================================
		
window.onerror=null;

var visibleVar="null";

ns4 = (document.layers)? true:false
ie4 = (document.all)? true:false





function init(){       
		 if (navigator.appName == "Netscape") {
			layerStyleRef="layer.";
			layerRef="document.layers";
			styleSwitch="";
			visibleVar="show";
			hideVar="hide";
			pxVar="";
        		}
		else
		{
			layerStyleRef="layer.style.";
			layerRef="document.all";
			styleSwitch=".style";
			visibleVar="visible";
			hideVar="hidden";
			pxVar="px"; 
		};

}








// ------------rollover funktion-----------


function showHideLayerSwitch(layerName){
		if (eval(layerRef+'["'+layerName+'"]'+styleSwitch+'.visibility == visibleVar')){
			hideLayer(layerName);
		}
		else{
			showLayer(layerName);
		}
}

function showLayer(LayerName){
		eval(layerRef+'["'+LayerName+'"]'+styleSwitch+'.visibility=visibleVar');
}
	
function hideLayer(LayerName){
		eval(layerRef+'["'+LayerName+'"]'+styleSwitch+'.visibility=hideVar');
}