var DHTML = false, DOM = false, MSIE4 = false, NS4 = false, OP = false;

if (document.getElementById) {
  DHTML = true;
  DOM = true;
} else {
  if (document.all) {
    DHTML = true;
    MSIE4 = true;
  } else {
    if (document.layers) {
      DHTML = true;
      NS4 = true;
    }
  }
}
if (window.opera) {
  OP = true;
}
  var Browser = navigator.appName;

function getElement (Mode, Identifier, ElementNumber) {
  var Element;
  if (DOM) {
    if (Mode.toLowerCase() == "id") {
      if (typeof document.getElementById(Identifier) == "object") {
        Element = document.getElementById(Identifier);
      } else {
        Element = false;
      }
      return Element;
    }
    if (Mode.toLowerCase() == "name") {
      var ElementList = document.getElementsByName(Identifier);
      if (typeof ElementList == "object" || (OP && typeof ElementList == "function")) {
        Element = ElementList[ElementNumber];
      } else {
        Element = false;
      }
      return Element;
    }
    if (Mode.toLowerCase() == "tagname") {
      var ElementList = document.getElementsByTagName(Identifier);
      if (typeof ElementList == "object" || (OP && typeof ElementList == "function")) {
        Element = ElementList[ElementNumber];
      } else {
        Element = false;
      }
      return Element;
    }
    return null;
  }
  if (MSIE4) {
    if (Mode.toLowerCase() == "id") {
      if (typeof document.all[Identifier] == "object") {
        Element = document.all[Identifier];
      } else {
        Element = false;
      }
      return Element;
    }
    if (Mode.toLowerCase() == "tagname") {
      if (typeof document.all.tags(Identifier) == "object") {
        Element = document.all.tags(Identifier)[ElementNumber];
      } else {
        Element = false;
      }
      return Element;
    }
    if (Mode.toLowerCase() == "name") {
      if (typeof document[Identifier] == "object") {
        Element = document[Identifier];
      } else {
        Element = false;
      }
      return Element;
    }
    return false;
  }
  if (NS4) {
    if (Mode.toLowerCase() == "id" || Mode.toLowerCase() == "name") {
      if (typeof document[Identifier] == "object") {
        Element = document[Identifier];
      } else {
        Element = false;
      }
      return Element;
    }
    if (Mode.toLowerCase() == "index") {
      if (typeof document.layers[Identifier] == "object") {
        Element = document.layers[Identifier];
      } else {
        Element = false;
      }
      return Element;
    }
    return false;
  }
  return false;
}