function onOpen() {
  var ui = SpreadsheetApp.getUi();
  // Or DocumentApp or FormApp.
  ui.createMenu('Inhoudsopgave')
      .addItem('Uren', 'menuItem1')
      .addSeparator()
      .addItem('Marge','menuItem2')
      .addSeparator()
      .addItem('Omzet','menuItem3')
      .addSeparator()
      .addItem('Bonus','menuItem4')
      .addSeparator()
      .addItem('Pie Charts','menuItem5')
      .addToUi();
}
function menuItem1(){
  var strRange = Browser.inputBox("Om naar UREN te gaan vul dan in A2:", Browser.Buttons.OK_CANCEL);
  if(strRange != "cancel")
  {
    try
    {
      SpreadsheetApp.getActiveSheet().getRange(strRange).activate();
    }
    catch(e) {Browser.msgBox(e.message);}
  }
}
function menuItem2(){
  var strRange = Browser.inputBox("Om naar MARGE te gaan vul dan in A191:", Browser.Buttons.OK_CANCEL);
  if(strRange != "cancel")
  {
    try
    {
      SpreadsheetApp.getActiveSheet().getRange(strRange).activate();
    }
    catch(e) {Browser.msgBox(e.message);}
  }
}
function menuItem3(){
  var strRange = Browser.inputBox("Om naar OMZET te gaan vul dan in A382:", Browser.Buttons.OK_CANCEL);
  if(strRange != "cancel")
  {
    try
    {
      SpreadsheetApp.getActiveSheet().getRange(strRange).activate();
    }
    catch(e) {Browser.msgBox(e.message);}
  }
}
function menuItem4(){
  var strRange = Browser.inputBox("Om naar BONUS te gaan vul dan in A579:", Browser.Buttons.OK_CANCEL);
  if(strRange != "cancel")
  {
    try
    {
      SpreadsheetApp.getActiveSheet().getRange(strRange).activate();
    }
    catch(e) {Browser.msgBox(e.message);}
  }
}
function menuItem5(){
  var strRange = Browser.inputBox("Om naar PIE CHARTS te gaan vul dan in A797:", Browser.Buttons.OK_CANCEL);
  if(strRange != "cancel")
  {
    try
    {
      SpreadsheetApp.getActiveSheet().getRange(strRange).activate();
    }
    catch(e) {Browser.msgBox(e.message);}
  }
}