//  made by Mateusz Sobczak
//   all rights reserved
//      Wroc³aw 2003


var show  = 0;
var show2 = 0;

ie4 = (document.all)?true:false;
ne4 = (document.layers)?true:false;
ne6 = (document.getElementById&&navigator.appName=='Netscape')?true:false;


function Preload_Img()
{
  n=new Image();
  n.scr='gfx/m/m2.gif';
  n.scr='gfx/m/m4.gif';
};

function Hide_All()
{
  if(!show)
  {
    if(ie4) { for(i=1;i<8;i++) document.all['menu'+i].style.visibility="hidden";            document.all['menu21'].style.visibility="hidden";            }
    if(ne4) { for(i=1;i<8;i++) document.layers['menu'+i].visibility="hide";                 document.layers['menu21'].visibility="hide";                 }
    if(ne6) { for(i=1;i<8;i++) document.getElementById('menu'+i).style.visibility="hidden"; document.getElementById('menu21').style.visibility="hidden"; }
  }
};

function Hide_All_No_Exception()
{
  if(ie4) { for(i=1;i<8;i++) document.all['menu'+i].style.visibility="hidden";            document.all['menu21'].style.visibility="hidden";            }
  if(ne4) { for(i=1;i<8;i++) document.layers['menu'+i].visibility="hide";                 document.layers['menu21'].visibility="hide";                 }
  if(ne6) { for(i=1;i<8;i++) document.getElementById('menu'+i).style.visibility="hidden"; document.getElementById('menu21').style.visibility="hidden"; }
};

function Show()
{
  Hide_All_No_Exception();
  if(ie4) document.all['menu'+show].style.visibility="visible";
  if(ne4) document.layers['menu'+show].visility="show";
  if(ne6) document.getElementById('menu'+show).style.visibility="visible";
  
  if(show2==1)
  {
    if(ie4) document.all['menu21'].style.visibility="visible";
    if(ne4) document.layers['menu21'].visility="show";
    if(ne6) document.getElementById('menu21').style.visibility="visible";
  }
};

function Hide_All_With_Delay()
{
  show=0;
  show2=0;
  setTimeout("Hide_All()", 750);
};