function VisiChg(elem){
  try {
    var node = document.getElementById(elem);
    if (node.style.display == "block")
      node.style.display = "none";
    else
      node.style.display = "block";
  } catch (e) {};
}



function CorpChgItem(itemImg, IdUtil, NomItem){
  if(_xmlHttp&&_xmlHttp.readyState!=0)
    _xmlHttp.abort();
  _xmlHttp=getXMLHTTP();
  if(_xmlHttp){
    _xmlHttp.open('GET','/corp/xmlchgflg.php?IdU='+IdUtil+'&NI='+NomItem,true);
    _xmlHttp.onreadystatechange=function() {
      if(_xmlHttp.readyState==4 && _xmlHttp.responseXML) {
        var xmlDoc = _xmlHttp.responseXML;
        newImg = xmlDoc.getElementsByTagName('img')[0].firstChild.data;
        itemImg.src = '/img/'+newImg;
      }
    };
    _xmlHttp.send(null)
  }
}