// NSW Department of Environment and Climate Change
// Education for sustainability (EFS) DotNetNuke skin - Javascript functions
// See CSS for history, contact details

var resizeIncrements = 0;
var baseSize = 62.5;

function resizeUp() {
  var ctlWrapper = document.getElementById('container');

  if (!ctlWrapper.style.fontSize) {
    resizeIncrements = 1;
  }
  else {
    resizeIncrements++;
  }
  resizecheckLimit();
  num_newsize = baseSize * ((0.1 * resizeIncrements) + 1);
  ctlWrapper.style.fontSize = num_newsize + '%';


}

function resizecheckLimit() {
  if (resizeIncrements < -7) resizeIncrements = -7;
  if (resizeIncrements > 7) resizeIncrements = 7;
}


function resizeDown() {
  var ctlWrapper = document.getElementById('container');

  if (!ctlWrapper.style.fontSize) {
    resizeIncrements = -1;
  }
  else {
    resizeIncrements--;
  }
  resizecheckLimit();
  num_newsize = baseSize * ((0.1 * resizeIncrements) + 1);
  ctlWrapper.style.fontSize = num_newsize + '%';


}