function MM_changeProp(objName,x,theProp,theValue) {
  var obj = MM_findObj(objName);
  if (obj && (theProp.indexOf("style.")==-1 || obj.style)){
    if (theValue == true || theValue == false)
      eval("obj."+theProp+"="+theValue);
    else eval("obj."+theProp+"='"+theValue+"'");
  }
}
function MM_findObj(n, d) {
	var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
	d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
	if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
	for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
	if(!x && d.getElementById) x=d.getElementById(n); return x;
}

var cr_checker = 0;
var cr_counter = 0;
var layercounter = 0;
var cur = 1;

function cr_stay(cur){
	cr_checker = 1;
	for (var cr_i = 1; cr_i <= layercounter; cr_i++) {
		if (cr_i == cur) {
			cr_showHideLayers('tt' + cr_i,'','show');
		}else{
			cr_showHideLayers('tt' + cr_i,'','hide');
		}
	}
}

function cr_hide(){
	cr_counter = 1;
	cr_checker = 0;
	zaehler();
}


function zaehler() {
	if (cr_counter > 0) {
		cr_counter --;
		setTimeout("zaehler()",200);
	} else {
		if (cr_checker < 1) {
			for (var cr_i = 1; cr_i <= layercounter; cr_i++) {
				cr_showHideLayers('tt' + cr_i,'','hide');
			}
		}
	}
}

function cr_showHideLayers() {
  var i,p,v,z,obj,args=cr_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; z=(v=='visible')?'99999999':(v=='hidden')?'-3':z;}
    obj.visibility=v; obj.zIndex=z; }//alert(args[i]+' '+z);
}