function injectSwitcherIntoPage(){
//create the switcher link
var themeSwitcher = document.createElement("a");
var themeSwitcherDivider = document.createElement("span");
//set up the divider
themeSwitcherDivider.setAttribute("class", "lsep");
themeSwitcherDivider.setAttribute("innerText", "| ");
//Set up the toggler
themeSwitcher.setAttribute("innerText", "all css");
themeSwitcher.setAttribute("id","id_toggler_link");
themeSwitcher.addEventListener("click", toggleAndApplyStylesheet);
//Add the divider and the toggler in the navbar