Expose an element in a Twitter bootsrap site: Will create a bootstrap overlay (as used by Bootstrap modal), and bring the desired element in front of the overlay

expose-element.js

/*
/* CSS */
.expose{
  position:'relative';
  background-color:'#fff';
  z-index:1050;
}
*/
function expose(el) {
    el.addClass("exposed");
    if ($(".modal-backdrop").length===0){
        $("body").append("<div class=\"modal-backdrop fade\"></div>");
    } 
    $(".modal-backdrop").addClass("in"); 
}

function unexpose(el){
    $(".modal-backdrop").remove();  
    el.removeClass("exposed");
}