/*

  Navigatie

*/
    // GLOBALS
  var tableWidth  = 750;
  var currentMenu = -1;
  var menuTimer

  var slidemenu_width=750; //specify width of menu (in pixels)
  var slidemenu_left=0   //specify vertical offset of menu on page
  
  var ns4=document.layers?1:0
  var ie4=document.all&&navigator.userAgent.indexOf("Opera")==-1
  var ns6=document.getElementById&&!document.all?1:0
 

 
function pull(id)
{

  overSelect = false;
  if(!inited) return;
  if(menuTimer) 
  {
    clearTimeout(menuTimer);
  }
  
  if(id)
  {
    if(currentMenu != -1) xHide(currentMenu)
    xShow(id)
    currentMenu = id;
  } 
   
  if (window.pushit) clearInterval(pushit);
  
  pullit=setInterval("pullengine()",10);
}

/* over selectie */

var overSelect = false;

function clearTimer()
{
  overSelect = true;
}


function push()
{

  if(!inited) return;
 
  if (window.pullit) clearInterval(pullit);
  //alert("te laat")
  menuTimer = setTimeout('realpush()',1000);
}


function realpush()
{
  if(overSelect) return;
  if(currentMenu != -1 )  xHide(currentMenu)
  
  pushit=setInterval("pushengine()",10);
}



function pullengine()
{

  if (parseInt(xTop("menuslider2"))<bottomboundary)
  {
    xTop("menuslider2",xTop("menuslider2")+step)

  }  
  else if (window.pullit){
    xTop("menuslider2",0)
    clearInterval(pullit)
    
  }
}

function pushengine()
{
  if (parseInt(xTop("menuslider2"))>topboundary)
  {
    xTop("menuslider2",xTop("menuslider2")-100)
  }  
  else if (window.pushit)
  {
    xTop("menuslider2",topboundary);
    clearInterval(pushit);

  }
}