function getElement(e) {
	if(document.all){
    return document.all[e];
  }
	else {
    return document.getElementById(e);
  }
}

function changePointer(roletka) {
  var objMenu=getElement(roletka);
  objMenu.style.cursor='default';
}

function findPosX(obj){
  var curleft = 0;
  if (obj.offsetParent){
    while (obj.offsetParent){
      curleft += obj.offsetLeft
      obj = obj.offsetParent;
    }
  }
  else if (obj.x)
    curleft += obj.x;
  return curleft;
}

function show(menu) {
  var objMenu=getElement(menu);
  objMenu.style.visibility='visible';
  var dif = findPosX(getElement(menu+'_head')) - findPosX(getElement('wrap')) - 3 + 'px';
  objMenu.style.left=dif;
  menu = menu + '_head';
  objMenu=getElement(menu);
  objMenu.style.color='#970202';
}

function hide(menu) {
  var objMenu=getElement(menu);
  objMenu.style.visibility='hidden';
  menu = menu + '_head';
  objMenu=getElement(menu);
  objMenu.style.color='#004500';
}