/*
** Cross-Browser DOM
** This code is from the book
**          'DHTML and CSS' by J.C.Teague
** Code 11.9 on page 197
*/

var isDHTML = 0
var isID = 0
var isAll = 0
var isLayers = 0

if (document.getElementById) {
  isID = 1
  isDHTML = 1
}
else {
  if (document.all) {
    isAll = 1
    isDHTML = 1
  }
  else {
    browserVersion = parseInt (navigator.appVersion)
    if ((navigator.appName.indexOf ('Netscape') != -1) && (browserVersion == 4)) {
      isLayers = 1
      isDHTML = 1
    }
  }
}

function findDOM (objectID, withStyle) {
  if (withStyle == 1) {
    if (isID) {
      return (document.getElementById (objectID).style)
    }
    else {
      if (isAll) {
        return (document.all[objectID].style)
      }
      else {
        if (isLayers) {
          return (document.layers[objectID])
        }
      }
    }
  }
  else {
    if (isID) {
      return (document.getElementById (objectID))
    }
    else {
      if (isAll) {
        return (document.all[objectID])
      }
      else {
        return (document.layers[objectID])
      }
    }
  }
}