function CopyToClipboard(s) {    var success = true;    if (window.clipboardData) { // Internet Explorer        window.clipboardData.setData("Text", s);    }    else {        var forExecElement = CreateElementForExecCommand(s);        SelectContent(forExecElement);        var supported = true;        try {            if (window.netscape && netscape.security) {                netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");            }            success = document.execCommand("copy", false, null);        }        catch (e) {            success = false;        }        document.body.removeChild(forExecElement);    }    if (success) {        $.alert("链接已复制!");    } else {        $.alert("链接复制失败!");    }}function CreateElementForExecCommand (textToClipboard) {    var forExecElement = document.createElement ("div");    // place outside the visible area    forExecElement.style.position = "absolute";    forExecElement.style.left = "-10000px";    forExecElement.style.top = "-10000px";    // write the necessary text into the element and append to the document    forExecElement.textContent = textToClipboard;    document.body.appendChild (forExecElement);    // the contentEditable mode is necessary for the  execCommand method in Firefox    forExecElement.contentEditable = true;    return forExecElement;}function SelectContent (element) {    // first create a range    var rangeToSelect = document.createRange ();    rangeToSelect.selectNodeContents (element);    // select the contents    var selection = window.getSelection ();    selection.removeAllRanges ();    selection.addRange (rangeToSelect);}