function init() {
  if (document.layers) {
  layerRef="document.layers";
  styleSwitch="";
  visibleVar="show";
  what ="ns4";
  }
  else if(document.all) {
  layerRef="document.all";
  styleSwitch=".style";
  visibleVar="visible";
  what ="ie4";
  }
  else if(document.getElementById) {
  layerRef="document.getElementByID";
  styleSwitch=".style";
  visibleVar="visible";
  what="dom1";
  }
  else {
  what="none";
  newbrowser = false;
  }
 check = true;
 }
function showLayer(layerName) {
  if(check) {
  if (what =="none") {
  return;
  }
  else if (what == "dom1") {
  document.getElementById(layerName).style.visibility="visible";
  }
  else {
  eval(layerRef+'["'+layerName+'"]'+styleSwitch+'.visibility="visible"');
  }
  }
  else {
  return;
  }
  }
function hideLayer(layerName) {
  if(check) {
  if (what =="none") {
  return;
  }
  else if (what == "dom1") {
  document.getElementById(layerName).style.visibility="hidden";
  }
  else {
  eval(layerRef+'["'+layerName+'"]'+styleSwitch+'.visibility="hidden"');
  }
  }
  else {
  return;
  }
  }
function hideAll() {
  hideLayer('menu');
  hideLayer('bar_menu_close_button');
  hideLayer('office_sub_menu');
  hideLayer('photos_sub_menu');
  hideLayer('web_design_sub_menu');
  hideLayer('links_sub_menu');
  hideLayer('css_sub_menu');
  hideLayer('html_sub_menu');
  hideLayer('ccodes_sub_menu');
  hideLayer('js_sub_menu');
  hideLayer('christian_sub_menu');
  hideLayer('freeware_sub_menu');
}
function showMenu() {
  showLayer('menu');
  showLayer('bar_menu_close_button');
}
function hideMenuSubs() {
  hideLayer('office_sub_menu');
  hideLayer('photos_sub_menu');
  hideLayer('web_design_sub_menu');
  hideLayer('links_sub_menu');
  hideLayer('css_sub_menu');
  hideLayer('html_sub_menu');
  hideLayer('ccodes_sub_menu');
  hideLayer('js_sub_menu');
  hideLayer('christian_sub_menu');
  hideLayer('freeware_sub_menu');
}
function showOffice() {
  hideLayer('photos_sub_menu');
  hideLayer('web_design_sub_menu');
  hideLayer('links_sub_menu');
  hideLayer('css_sub_menu');
  hideLayer('html_sub_menu');
  hideLayer('ccodes_sub_menu');
  hideLayer('js_sub_menu');
  hideLayer('christian_sub_menu');
  hideLayer('freeware_sub_menu');
  showLayer('office_sub_menu');
}
function showPhotos() {
  hideLayer('office_sub_menu');
  hideLayer('web_design_sub_menu');
  hideLayer('links_sub_menu');
  hideLayer('css_sub_menu');
  hideLayer('html_sub_menu');
  hideLayer('ccodes_sub_menu');
  hideLayer('js_sub_menu');
  hideLayer('christian_sub_menu');
  hideLayer('freeware_sub_menu');
  showLayer('photos_sub_menu');
}
function showWebDesign() {
  hideLayer('office_sub_menu');
  hideLayer('photos_sub_menu');
  hideLayer('links_sub_menu');
  hideLayer('css_sub_menu');
  hideLayer('html_sub_menu');
  hideLayer('ccodes_sub_menu');
  hideLayer('js_sub_menu');
  hideLayer('christian_sub_menu');
  hideLayer('freeware_sub_menu');
  showLayer('web_design_sub_menu');
}
function showLinks() {
  hideLayer('office_sub_menu');
  hideLayer('photos_sub_menu');
  hideLayer('web_design_sub_menu');
  hideLayer('css_sub_menu');
  hideLayer('html_sub_menu');
  hideLayer('ccodes_sub_menu');
  hideLayer('js_sub_menu');
  hideLayer('christian_sub_menu');
  hideLayer('freeware_sub_menu');
  showLayer('links_sub_menu');
}
function hideWebDesignSubs() {
  hideLayer('css_sub_menu');
  hideLayer('html_sub_menu');
  hideLayer('ccodes_sub_menu');
  hideLayer('js_sub_menu');
}
function showCSS() {
  hideLayer('html_sub_menu');
  hideLayer('ccodes_sub_menu');
  hideLayer('js_sub_menu');
  showLayer('css_sub_menu');
}
function showHTML() {
  hideLayer('css_sub_menu');
  hideLayer('ccodes_sub_menu');
  hideLayer('js_sub_menu');
  showLayer('html_sub_menu');
}
function showCCodes() {
  hideLayer('css_sub_menu');
  hideLayer('html_sub_menu');
  hideLayer('js_sub_menu');
  showLayer('ccodes_sub_menu');
}
function showJS() {
  hideLayer('css_sub_menu');
  hideLayer('html_sub_menu');
  hideLayer('ccodes_sub_menu');
  showLayer('js_sub_menu');
}
function showGoogleSub() {
  hideLayer('email_sub_window');
  showLayer('google_sub_window');
}
function showEmailSub() {
  hideLayer('google_sub_window');
  showLayer('email_sub_window');
}
function hideLinksSubs() {
  hideLayer('christian_sub_menu');
  hideLayer('freeware_sub_menu');
}
function showChristian() {
  hideLayer('freeware_sub_menu');
  showLayer('christian_sub_menu');
}
function showFreeware() {
  hideLayer('christian_sub_menu');
  showLayer('freeware_sub_menu');
}