function switchDiv(div_id)
{
  var style_sheet = getStyleObject(div_id);
  if (style_sheet)
  {
    hideAll();
    new Effect.SlideDown(document.getElementById(div_id));
  }
  else
  {
    return false;
  }
}

function getStyleObject(objectId) {
  // checkW3C DOM, then MSIE 4, then NN 4.
  //
  if(document.getElementById && document.getElementById(objectId)) {
        return document.getElementById(objectId).style;
   }
   else if (document.all && document.all(objectId)) {
        return document.all(objectId).style;
   }
   else if (document.layers && document.layers[objectId]) {
        return document.layers[objectId];
   } else {
        return false;
   }
}

function changeObjectVisibility(objectId, newVisibility) {
    // first get the object's stylesheet
    var styleObject = getStyleObject(objectId);

    // then if we find a stylesheet, set its visibility
    // as requested
    //
    if (styleObject) {
        styleObject.display = newVisibility;
        return true;
    } else {
        return false;
    }
}

function hideAll()
{
   changeObjectVisibility("HISTORY","none");
   changeObjectVisibility("PHILOSOPHY","none");
   changeObjectVisibility("RESOURCES","none");
   changeObjectVisibility("FUTURE","none");
   changeObjectVisibility("ASSETS","none");
   changeObjectVisibility("SUMMARY","none");
   changeObjectVisibility("REFERENCES","none");
   changeObjectVisibility("OFFICES","none");
   changeObjectVisibility("CONTACT","none");
}

function switchDiv2(this_div, next_div)
{
  if (getStyleObject(this_div) && getStyleObject(next_div)) {
    changeObjectVisibility(this_div, "none");
    changeObjectVisibility(next_div, "");
  }
}

function openwindow(newwind)
{
win = window.open(newwind, "Contact", "height=480, width=557, top=0, left=10, directories=no, location=no, menubar=no, resizeable=no, status=no, toolbar=no");

win.focus();
  return false;
}