var url_regx = /((http|https|ftp|news|telnet|irc):\/\/(([0-9a-z\-._~!$&'\(\)*+,;=:]|(%[0-9a-f]{2}))*\@)?((\[(((([0-9a-f]{1,4}:){6}([0-9a-f]{1,4}:[0-9a-f]{1,4})|(([0-9]|([1-9][0-9])|(1[0-9][0-9])|(2[0-4][0-9])|(25[0-5])){3}[0-9]|([1-9][0-9])|(1[0-9][0-9])|(2[0-4][0-9])|(25[0-5])))|(::([0-9a-f]{1,4}:){5}([0-9a-f]{1,4}:[0-9a-f]{1,4})|(([0-9]|([1-9][0-9])|(1[0-9][0-9])|(2[0-4][0-9])|(25[0-5])){3}[0-9]|([1-9][0-9])|(1[0-9][0-9])|(2[0-4][0-9])|(25[0-5])))|(([0-9a-f]{1,4})?::([0-9a-f]{1,4}:){4}([0-9a-f]{1,4}:[0-9a-f]{1,4})|(([0-9]|([1-9][0-9])|(1[0-9][0-9])|(2[0-4][0-9])|(25[0-5])){3}[0-9]|([1-9][0-9])|(1[0-9][0-9])|(2[0-4][0-9])|(25[0-5])))|((([0-9a-f]{1,4}:)?[0-9a-f]{1,4})?::([0-9a-f]{1,4}:){3}([0-9a-f]{1,4}:[0-9a-f]{1,4})|(([0-9]|([1-9][0-9])|(1[0-9][0-9])|(2[0-4][0-9])|(25[0-5])){3}[0-9]|([1-9][0-9])|(1[0-9][0-9])|(2[0-4][0-9])|(25[0-5])))|((([0-9a-f]{1,4}:){0,2}[0-9a-f]{1,4})?::([0-9a-f]{1,4}:){2}([0-9a-f]{1,4}:[0-9a-f]{1,4})|(([0-9]|([1-9][0-9])|(1[0-9][0-9])|(2[0-4][0-9])|(25[0-5])){3}[0-9]|([1-9][0-9])|(1[0-9][0-9])|(2[0-4][0-9])|(25[0-5])))|((([0-9a-f]{1,4}:){0,3}[0-9a-f]{1,4})?::[0-9a-f]{1,4}:([0-9a-f]{1,4}:[0-9a-f]{1,4})|(([0-9]|([1-9][0-9])|(1[0-9][0-9])|(2[0-4][0-9])|(25[0-5])){3}[0-9]|([1-9][0-9])|(1[0-9][0-9])|(2[0-4][0-9])|(25[0-5])))|((([0-9a-f]{1,4}:){0,4}[0-9a-f]{1,4})?::([0-9a-f]{1,4}:[0-9a-f]{1,4})|(([0-9]|([1-9][0-9])|(1[0-9][0-9])|(2[0-4][0-9])|(25[0-5])){3}[0-9]|([1-9][0-9])|(1[0-9][0-9])|(2[0-4][0-9])|(25[0-5])))|((([0-9a-f]{1,4}:){0,5}[0-9a-f]{1,4})?::[0-9a-f]{1,4})|((([0-9a-f]{1,4}:){0,6}[0-9a-f]{1,4})?::))|(v[0-9a-f]+.[0-9a-z\-._~!$&'\(\)*+,;=:]+))\])|(([0-9]|([1-9][0-9])|(1[0-9][0-9])|(2[0-4][0-9])|(25[0-5])){3}[0-9]|([1-9][0-9])|(1[0-9][0-9])|(2[0-4][0-9])|(25[0-5]))|(([0-9a-z\-._~!$&'\(\)*+,;=]|(%[0-9a-f]{2}))+))(:[0-9]*)?(\/([0-9a-z\-._~!$&'\(\)*+,;=:@]|(%[0-9a-f]{2}))*)*(\?([0-9a-z\-._~!$&'\(\)*+,;=:@\/\?]|(%[0-9a-f]{2}))*)?(#([0-9a-z\-._~!$&'\(\)*+,;=:@\/\?]|(%[0-9a-f]{2}))*)?)/i;
function replaceHrefLink(target_obj)
{
    var obj_list = new Array();
    var obj = target_obj;
    while(obj) {
        obj_list[obj_list.length] = obj;
        obj = obj.nextSibling;
    }
    
    for(var i=0;i<obj_list.length;i++) {
        var obj = obj_list[i];
        var pObj = obj.parentNode;
        if(!pObj) continue;

        var pN = pObj.nodeName.toLowerCase();
        if(pN == 'a' || pN == 'pre' || pN == 'xml' || pN == 'textarea' || pN == 'input')
            continue;
        
        if(obj.nodeType == 3 && obj.data && url_regx.test(obj.data) ) {
            var html = obj.nodeValue.split('<');
            for(var i=0;i<html.length;i++) {
                var html2 = html[i].split('>');
                for(var j=0;j<html2.length;j++)
                    html2[j] = html2[j].replace(url_regx,"<a href=\"$1\" onclick=\"window.open(this.href); return false;\">$1<\/a>");
                html[i] = html2.join('&gt;');
            }
            var output = html.join('&lt;');
            var dummy = xCreateElement('span');
            xInnerHtml(dummy, output);
            pObj.insertBefore(dummy, obj);
            pObj.removeChild(obj);
        }
        else if(obj.nodeType == 1 && obj.firstChild)
            replaceHrefLink(obj.firstChild);
    }
}

function addUrlLink() {
    var objs = xGetElementsByClassName('xe_content');
    if(objs.length<1) return;
    for(var i=0;i<objs.length;i++) {
        if(url_regx.test(xInnerHtml(objs[i]))) replaceHrefLink(objs[i].firstChild);
    }
}

xAddEventListener(window,'load', addUrlLink);