var ns = (document.layers) ? 1 : 0;
var ie = (document.all) ? 1 : 0;
var ns6= (!document.all && document.getElementById) ? 1 : 0;
iloscsubmenu=0;

function openbigimage(location) {
  startwindow=window.open(location,'start','width=400,height=400,resizable=no,scrollbars=no');
  startwindow.focus();
}

function posmenu(name) {
  el=getElementPositon(document.getElementById("divmenu"+name));
  posdivtop("divsubmenu"+name,el.y+29);
	posdivleft("divsubmenu"+name,el.x-1);
	posdivtop("hidediv",el.y-55);
	posdivleft("hidediv",el.x-100);
	posdivtop("hidediv2",el.y+29);
	posdivleft("hidediv2",el.x-100);
	showsubmenu(name);
}

function getElementPositon(element){
        var coords = {x: 0, y: 0, h: 0, w: 0};
        coords.w = element.offsetWidth;
        coords.h = element.offsetHeight;
        while (element) {
                coords.x += element.offsetLeft;
                coords.y += element.offsetTop;
                element = element.offsetParent;
        }
        return coords;
}
function posdivtop(lay,pos) {
  if (ns)
  {
      eval('document.layers["'+lay+'"].top='+pos+';');
  }
  else if(ie)
  {
      eval('document.all["'+lay+'"].style.top='+pos+';');
  }
  else if(ns6)
  {
      eval('document.getElementById("'+lay+'").style.top='+pos+';');
 }
}
function posdivleft(lay,pos) {
  if (ns)
  {
      eval('document.layers["'+lay+'"].left='+pos+';');
  }
  else if(ie)
  {
      eval('document.all["'+lay+'"].style.left='+pos+';');
  }
  else if(ns6)
  {
      eval('document.getElementById("'+lay+'").style.left='+pos+';');
  }
}

function showdiv(lay)
{
	if(document.layers)eval('document.layers["'+lay+'"].visibility="show";');
	else if(document.all)eval('document.all.'+lay+'.style.visibility="visible";');
	else if(!document.all && document.getElementById)eval('document.getElementById("'+lay+'").style.visibility="visible";');
}
function hidediv(lr)
{
	if(document.layers)eval('document.layers["'+lr+'"].visibility="hide";');
	else if(document.all)eval('document.all.'+lr+'.style.visibility="hidden";');
	else if(!document.all && document.getElementById)eval('document.getElementById("'+lr+'").style.visibility="hidden";');
}

function hideall()
{
        for (i=0;i<iloscsubmenu;i++)
        {
                hidediv("divsubmenu"+i);
        }
        hidediv("hidediv");
        hidediv("hidediv2");
        //hidediv("menu_wark2");
}

function showsubmenu(num)
{
        if(num<iloscsubmenu)
        {
                hideall();
                aktdiv=num;
                showdiv("hidediv");
                showdiv("hidediv2");
                showdiv("divsubmenu"+num);
        }
}
function setBackgroundOffImage(id){
    document.getElementById(id).style.backgroundImage = 'url(gifs/tlo_menu_off_1.gif)'  ;
}

function setBackgroundOverImage(id){
    document.getElementById(id).style.backgroundImage = 'url(gifs/tlo_menu_over_1.gif)'  ;
}

function changeBgColor(id,newColor){
    document.getElementById(id).style.backgroundColor = newColor;
}