function __bindEventHdlr(target){if(target&&!target.attachEvent){target.attachEvent=function(type,callback){type=type.substring(2);target.addEventListener(type,GenWindowEvent,false);target.addEventListener(type,callback,false);function GenWindowEvent(e){try{var i=0;while(e.target&&e.target.nodeType!=1&&++i<50)e.target=e.target.parentNode;}catch(ex){e.target=null;}e.srcElement=e.target;window.event=e;}}}}bindEvent=function(method,cb){if(window.attachEvent)window.attachEvent(method,cb);else{if(method.substring(0,2)=='on')method=method.substring(2);window.addEventListener(method,cb,false);}};setTrack=function(){var SignID=document.getElementById("linkSignIn");if(SignID)SignID.setAttribute("track","click|msn header|sitenav");};bindEvent("onload",setTrack);function SearchTrackCall(){var btnSearch=document.getElementById("site");if(btnSearch){__bindEventHdlr(btnSearch);btnSearch.attachEvent("onclick",SearchTrack);}}function SearchTrackCallWeb(){var btnSearchWeb=document.getElementsByName("web");if(btnSearchWeb&&btnSearchWeb[1]){__bindEventHdlr(btnSearchWeb[1]);btnSearchWeb[1].attachEvent("onclick",SearchTrack);}}function SearchTrack(){if(typeof(Atlas)!='undefined'&&Atlas)Atlas.Action('click|search|sitenav');}function Track(){if(typeof(Atlas)!='undefined'&&Atlas)Atlas.Action('click|msn header|sitenav');}bindEvent("onload",SearchTrackCall);bindEvent("onload",SearchTrackCallWeb);