var OP=false;
var NN6=false;
var NN4=false;
var IE=false;
var nn4HgColor;

if((navigator.userAgent.search(/opera/i)!=-1)&&(document.getElementById))OP=true; fileNameExtension='';
if((document.getElementById)&&(!document.all))NN6=true; fileNameExtension='';
if(document.layers)NN4=true; fileNameExtension='_nn4';
if((document.all)&&(!OP))IE=true; fileNameExtension='';

function changeLayerStyle(layerID,attribut,wert) {
	if(OP){
		showhide = new Array('hidden','visible');
		if(attribut=='visibility')document.getElementById("L"+layerID).style.visibility=showhide[wert];
		if(attribut=='left')document.getElementById("L"+layerID).style.pixelLeft=wert;
		if(attribut=='top')document.getElementById("L"+layerID).style.pixelTop=wert;
		if(attribut=='width')document.getElementById("L"+layerID).style.width=wert;
		if(attribut=='height')document.getElementById("L"+layerID).style.height=wert;
	}
	if(NN6){
		showhide = new Array('hidden','visible');
		if(attribut=='visibility')document.getElementById("L"+layerID).style.visibility=showhide[wert];
		if(attribut=='backgroundColor')document.getElementById("L"+layerID).style.backgroundColor='#'+wert; 
		if(attribut=='left')document.getElementById("L"+layerID).style.left=wert+'px';
		if(attribut=='top')document.getElementById("L"+layerID).style.top=wert+'px';
		if(attribut=='width')document.getElementById("L"+layerID).style.width=wert;
		if(attribut=='height')document.getElementById("L"+layerID).style.height=wert;
	}	
	if(NN4){
		showhide = new Array('hide','show');
		if(attribut=='visibility')document.layers[layerID].visibility=showhide[wert];
		if(attribut=='left')document.layers[layerID].left=wert;
		if(attribut=='top')document.layers[layerID].top=wert;
		if(attribut=='width')document.layers[layerID].width=wert;
		if(attribut=='height')document.layers[layerID].height=wert;
	}
	if(IE){
		showhide = new Array('hidden','visible');
		if(attribut=='visibility')document.all.tags("div")[layerID].style.visibility=showhide[wert];
		if(attribut=='backgroundColor')document.all.tags("div")[layerID].style.backgroundColor='#'+wert; 
		if(attribut=='left')document.all.tags("div")[layerID].style.left=wert+'px';
		if(attribut=='top')document.all.tags("div")[layerID].style.top=wert+'px';
		if(attribut=='width')document.all.tags("div")[layerID].style.width=wert+'px';
		if(attribut=='height')document.all.tags("div")[layerID].style.height=wert+'px';
	}
}		
		
function changeLayerContent(layerID,layerContent) {
	if(NN6){document.getElementById("L"+layerID).innerHTML=layerContent;}
	if(NN4){document.layers[layerID].document.clear(); document.layers[layerID].document.write(layerContent); document.layers[layerID].document.close(); document.bgColor='#'+nn4HgColor;}
	if(IE){document.all.tags("div")[layerID].innerHTML=layerContent;}
}

/*
function reloadPage(init) {  
	// laedt seite nach resize unter NN4 neu
	if (init==true) with (navigator) {
		if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
			document.pgW=innerWidth; document.pgH=innerHeight;
			onresize=reloadPage;
		}
	}
   	else if (innerWidth!=document.pgW || innerHeight!=document.pgH) location.reload();
}
reloadPage(true);
*/