// Runs all the listed functions on the loading of the window
window.onload = function(e) {
  var cookie = readCookie("style");
  var title = cookie ? cookie : getPreferredStyleSheet();
  setActiveStyleSheet(title);
  doPopups(); //only this function recall the targetBlank functions
}

// Runs all the listed functions on the unloading of the window
window.onunload = function(e) {
  var title = getActiveStyleSheet();
  createCookie("style", title);
}

//these details MUST be after the window load and unload recall of the functions
var cookie = readCookie("style");
var title = cookie ? cookie : getPreferredStyleSheet();
setActiveStyleSheet(title);