var Timeout;
var Pause=200;
var Items = 5;
var ItemsUsl = 6;
function n_GetX(El) {
 var X = 0;
 do {X += El.offsetLeft} while ((El = El.offsetParent) != null);
 return X;
}


function n_GetX2(El) {
 var X = 0;
 do {X += El.offsetRight} while ((El = El.offsetParent) != null);
 return X;
}

function n_GetY(El) {
 var Y = 0;
 do { Y += El.offsetTop } while ((El = El.offsetParent) != null);
 return Y;
}

function ShowItem(num) {

HideAll();


 LeftCoord=n_GetX(document.getElementById('bg'+num));
 TopCoord=n_GetY(document.getElementById('bg'+num))
  document.getElementById('bg' + num).style.background='url(img/menu'+num+'_t.jpg) left top'; 
 
document.getElementById('menu'+num).style.left = LeftCoord;
document.getElementById('menu'+num).style.top = TopCoord+36;
document.getElementById('menu'+num).style.visibility = 'visible';
 document.getElementById('a'+num).style.color='#8bdbff';
}

function HideAll() {
 for(var i = 1; i <= Items; i++)
  HideItem(i)
 if (document.getElementById('navform')!=null) document.getElementById('navform').style.visibility='visible'; 
}
function HideItem(num) {

document.getElementById('bg' + num).style.background='url(img/menu'+num+'_a.jpg) left top ';
document.getElementById('menu'+num).style.visibility = 'hidden';
 document.getElementById('a'+num).style.color='#ffffff';
}
function ShowItemUsl(num) {
HideAllUsl();
HideAll();
HideVop();
 LeftCoord=n_GetX(document.getElementById('bgusl'+num));
 TopCoord=n_GetY(document.getElementById('bgusl'+num))
  document.getElementById('bgusl' + num).style.background='#ffffff'; 
 document.getElementById('menuusl'+num).style.left = LeftCoord-305;
document.getElementById('menuusl'+num).style.top = TopCoord-95;
document.getElementById('menuusl'+num).style.visibility = 'visible';
}

function HideAllUsl() {
 for(var i = 1; i <= ItemsUsl; i++)
  HideItemUsl(i)
 if (document.getElementById('navformusl')!=null) document.getElementById('navformusl').style.visibility='visible'; 
}
function HideItemUsl(num) {

document.getElementById('bgusl' + num).style.background='';
document.getElementById('menuusl'+num).style.visibility = 'hidden';
}
function ShowVop() {
HideAllUsl();
HideAll();
HideVop();
LeftCoord=n_GetX(document.getElementById('vopros'));
TopCoord=n_GetY(document.getElementById('vopros'));

document.getElementById('vop').style.left = LeftCoord-73;
document.getElementById('vop').style.top = TopCoord-10;
document.getElementById('vop').style.visibility = 'visible';
}
function HideVop(num) {
document.getElementById('vop').style.visibility = 'hidden';
}