OmniFocus Generalized Bookmarklet

gistfile1.js

javascript:(function(){
    var enc=encodeURIComponent,
          w=window,
     frames=w.frames,
          d=document,
         tn=w.getSelection?w.getSelection():(d.getSelection)?d.getSelection():(d.selection?d.selection.createRange().text:0),
         pu=w.location.href,
    isGMail=w.location.host.match(/mail\.google\.com/),
         tt=pt=d.title,
  subjSpans=d.getElementsByClassName("hP"),i,url;

    if(isGMail){
        if(subjSpans){
            tt=subjSpans[0].innerText
        }
        else {
            tt=d.title.substring(d.title.indexOf("-")+1,d.title.lastIndexOf("-")).replace(/^ +/,"").replace(/ +$/,"")
        };
        if(tn!="")tn+="\n\n";
        tn+="Email:("+tt+")\n"+pu;
    };
    url='omnifocus:///add?note='+enc(tn)+'&name='+enc(tt);
    w.location.href=url
})();