var _lvFw=null;
function _LvWinFocus(w) { if (w && w.focus) { _lvFw=w; setTimeout("_LvWinFocusT()",100); } }
function _LvWinFocusT() { if (_lvFw!=null) { _lvFw.focus();_lvFw=null;} }

function OpenWin(url,name,attr)
{
 var fw;
 if (attr) fw=window.open(url,name,attr);
 else if (name) fw=window.open(url,name);
 else if (url) fw=window.open(url);
 _LvWinFocus(fw);
 }