JS禁用页面上所有控件的实现方法(附demo源码下载)

function DisableElements(container,blnHidenButton)
{
  if (!container)
  return;
  var aEle;
  if (navigator.appName =="Microsoft Internet Explorer") //IE
  {
    for (var i=0;i<container.all.length;i++)
    {
      aEle = container.all[i];
      tagName = aEle.tagName.toUpperCase();
      if ((tagName=="SELECT"))
      {
        aEle.disabled = true;
        if(tagName=="BUTTON" && blnHidenButton)
        {
          //aEle.style.display = "none";//对button不做处理
        }
      }
      else if (tagName=="INPUT")
      {
        if (aEle.type.toUpperCase()!="HIDDEN")
        {
          if (aEle.type.toUpperCase()=="TEXT")
          {
            ReadonlyText(aEle);
          }
          else if (aEle.type.toUpperCase()=="BUTTON")
          {
            //do nothing;
          }
          else
          {
            aEle.disabled = true;
          }
        }
        if((aEle.type.toUpperCase()=="BUTTON"||aEle.type.toUpperCase()=="SUBMIT") && blnHidenButton)
        {
          //aEle.style.display = "none";//对button不处理
        }
      }
      else if (tagName=="TEXTAREA")
      {
        ReadonlyText(aEle);
      }
    }
  }
  else//非IE浏览器
  {
    var aEle = container.getElementsByTagName("select");
    for (var i=0;i< aEle.length;i++)
    {
      aEle[i].disabled = true;
    }
    aEle = container.getElementsByTagName("button");
    for (var i=0;i< aEle.length;i++)
    {
      aEle[i].disabled = true;
    }
    aEle = container.getElementsByTagName("textarea");
    for (var i=0;i< aEle.length;i++)
    {
      ReadonlyText(aEle[i]);
    }
    aEle = container.getElementsByTagName("input");
    for (var i=0;i< aEle.length;i++)
    {
      if (aEle[i].type.toUpperCase()!="HIDDEN")
      {
        if (aEle[i].type.toUpperCase()=="TEXT")
        {
          ReadonlyText(aEle[i]);
        }
        else
        {
          aEle[i].disabled = true;
        }
      }
      if((aEle[i].type.toUpperCase()=="BUTTON"||aEle[i].type.toUpperCase()=="SUBMIT")&&blnHidenButton)
      {
        aEle[i].style.display = "none";
      }
    }
  }
}
function ReadonlyText(objText) 
{
  if (objText){
    //objText.style.backgroundColor = "menu";
    objText.style.background = "#E6E6E6";
    //objText.style.color = "black";
    objText.readOnly=true;
  }
}

var myForm=document.forms["formEditor"];
DisableElements(myForm,'true');