var lnk='', txt = '';
function transformText(){
                var s = document.getElementsByTagName('span');
                for(i=0; i< s.length;i++){
                               if((s[i].className.indexOf('url') != -1) || (s[i].className.indexOf('urllink') != -1)){
                                               lnk = document.createElement('a');
                                               lnk.href = s[i].title;
                                               txt = s[i].innerHTML;
                                               if(s[i].className.indexOf('blank') != -1){
                                                               lnk.target = '_blank';
                                               }
                                               lnk.innerHTML = txt;
                                               s[i].innerHTML = '';
                                               s[i].appendChild(lnk);
                               }
                }
}

window.onload=transformText;