var ie=document.all;

var current = new Array();

var menuTimer;



function ref (elstringid) {

  if (ie) return document.all[elstringid];

  else

    if (document.getElementById) return document.getElementById(elstringid);

}





function go(loc){

  document.location.href=loc;

}



function over(index,level) {

    var pol = ref('pol_'+index);

    var pod = ref('m_'+index);



    for (var i in current) 

        if (current[i] >= level) {

	    var reml = ref('pol_'+i);

	    if (reml) reml.className='unbarva';

	    var remd = ref('m_'+i);

	    if (remd) remd.style.visibility="hidden";

	    current[i] = -1;

	}



    if (menuTimer) window.clearTimeout(menuTimer);

    if (pol) {

	pol.className='selbarva';

	current[index] = level;

	if (pod) {

	    pod.style.visibility="visible";

	    syncMenuPos ('m_'+index,'pol_'+index,level);

	}

    }

}



function syncMenuPos (menuID,syncWithID,level) {

    var menu=ref(menuID);

    var syncWith=ref(syncWithID);

    var lPos = syncWith.offsetLeft;

    if (level > 0) lPos = lPos + syncWith.offsetWidth + 2;

    var tPos = syncWith.offsetTop;

    if (level == 0) tPos = tPos +syncWith.offsetHeight;

    while (syncWith.offsetParent != null) {

      syncWith = syncWith.offsetParent;

      lPos += syncWith.offsetLeft;

      tPos += syncWith.offsetTop;

      if (syncWith.tagName == "BODY") break;

    }

    menu.style.left=lPos;

    menu.style.top=tPos;

}





function out() {

    menuTimer = window.setTimeout("hide()",500);

}



function hide() {

    for (var i in current) {

	var reml = ref('pol_'+i);

	if (reml) reml.className='unbarva';

	var remd = ref('m_'+i);

	if (remd) remd.style.visibility="hidden";

	current[i] = -1;

    }

}