function zoom (zoom_level) {
    var page = document.getElementById("page");
    if (window.localStorage.zoom == "undefined") {
         window.localStorage.zoom = 1;
    }
    if (!zoom_level) var zoom_level =  window.localStorage.zoom;
    else window.localStorage.zoom = zoom_level; 
    
    
    
    if (navigator.appName == "Microsoft Internet Explorer") {
        //if (zoom_level != "1") page.style.position = "absolute"
        //else page.style.position = "relative"
        if (zoom_level != "1") document.body.style.position = "absolute"
        else document.body.style.position = "relative"
       // page.className = "ie_zoom_" + zoom_level;
        document.body.className = "ie_zoom_" + zoom_level;
    } else {
        page.className = "ff_zoom_" + zoom_level;
    }
}

  var fileref=document.createElement("link")
  fileref.setAttribute("rel", "stylesheet")
  fileref.setAttribute("type", "text/css")
  fileref.setAttribute("href", "/modules/accessibility/css/zoom.css")
  document.getElementsByTagName("head")[0].appendChild(fileref)