<!--

function click_return(op)
{
  var nvar;
  nvar='您确定要“'+op+'”吗？';
  var cf=window.confirm(nvar);
  if (cf) { return true; }
  return false;
}

function operate_confirm(pt)
{
  var p;
  p='你确定要'+pt+'吗？';
  var cf=window.confirm(p);
  if (cf) { return true; }
  return false;
}

function open_win(url,name,width,height,scroll)
{
  var Left_size = (screen.width) ? (screen.width-width)/2 : 0;
  var Top_size = (screen.height) ? (screen.height-height)/2 : 0;
  var open_win=window.open(url,name,'width=' + width + ',height=' + height + ',left=' + Left_size + ',top=' + Top_size + ',toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=' + scroll + ',resizable=yes' );
}

function re_load() { location.reload(); }

function menu_display(meval)
{
  var menu_n=eval(meval);
  if (menu_n.style.display=="none")
  { eval(meval+".style.display='';"); }
  else
  { eval(meval+".style.display='none';"); }
}

function select_all(frm)
{
  var i,slength=0;
  if (frm.sel_id==null) { return false; }
  var sall=frm.sel_all.checked;
  if (frm.sel_id.length)
  {
    slength=frm.sel_id.length;
    for (i=0;i<slength;i++) { frm.sel_id[i].checked=sall; }
  }
  else
  { frm.sel_id.checked=sall; }
}

function sel_confirm(frm,prompt,alertm)
{
  var i,slength=0,issel=false;
  if (frm.sel_id!=null)
  {
    if (frm.sel_id.length)
    {
      slength=frm.sel_id.length;
      for (i=0;i<slength;i++) { if (frm.sel_id[i].checked==true) { issel=true; break; } }
    }
    else
    { if (frm.sel_id.checked==true) { issel=true; } }
  }
  if (issel==true)
  {
	if (prompt=="")
	{ return true; }
    var cf=window.confirm(prompt);
    if (cf)
    { return true; }
    else
    { return false; }
  }
  else
  {
	if (alertm=="")
	{ alert("请先进行选择再执行该项操作！"); }
	else
 	{ alert(alertm); }
   return false;
  }
}

-->