//zmienne
var current_showing = 'startC';
var current_red = 'start';

function MM_showHideLayers() {
  var i,p,v,obj,args=MM_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; }
    obj.visibility=v; }
}

function MM_HideLayers() {
        var obj;
        obj=MM_findObj(current_showing);
	if (obj) {
          if (obj.style) obj=obj.style;
          obj.visibility='hidden';
        }
}

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;
}

function showD(descr, tool) {
  MM_HideLayers(current_showing);
  current_showing = descr;
  MM_showHideLayers(descr, '', 'show');
  normalcell(current_red);
  highlightcell(tool);
  current_red=tool;
}

function highlightcell(tool) {
  var obj;
  obj=MM_findObj(tool);
  obj=obj.style;
  obj.backgroundColor='#FFCE00';
}

function normalcell(tool) {
  var obj;
  obj=MM_findObj(tool);
  obj=obj.style;
  obj.backgroundColor='#ffffff';
}