if (document.layers)  {
     ns = 1; ie = 0; 
} else {
     ns = 0; ie = 1;
     }
	 

var i = 1;
var test = "demo";
function zeigeEbeneNr(ebene_nr){
    verbergen(eval('"' + test + i +'"'));
    zeigen(eval('"' + test + ebene_nr +'"'));
    i = ebene_nr; 
    }



function zeigen(name) {
if (ns) {
    document.layers[''+name].visibility = "show";		
    }
    else {
    document.all[''+name].style.visibility = "visible"
    }
}

function verbergen(name) {
if (ns){
    document.layers[''+name].visibility = "hide"
    }
    else {
    document.all[''+name].style.visibility = "hidden"
    }
}




















function DreiFrames(URL1,F1,URL2,F2,URL3,F3)
     {  
      parent.frames[F1].location.href=URL1;
      parent.frames[F2].location.href=URL2;
      parent.frames[F3].location.href=URL3;
     }

function ZweiFrames(URL1,F1,URL2,F2)
     {  
      parent.frames[F1].location.href=URL1;
      parent.frames[F2].location.href=URL2;
	 }

function EinFrame(URL1,F1)
     {  
      parent.frames[F1].location.href=URL1;
    	 }

function IMPRESSUM() {
INFO = window.open("http://kunstszene-koeln.de/tinc?key=rhjTDjiW","INFO","width=340,height=460, scrollbars=no");
INFO.focus();
}