function copyToClipboard(meintext)
{
if(setClipboard(meintext))
{
var msg;
msg="此页面的链接已经被复制到剪贴板，您可以粘贴到QQ或电子邮件等进行分享。";
alert(msg);
}
}

function setClipboard(maintext)
{
if(window.clipboardData)
{
return(window.clipboardData.setData("Text",maintext));
}
else if(window.netscape)
{
netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');
var clip=Components.classes['@mozilla.org/widget/clipboard;1'].createInstance(Components.interfaces.nsIClipboard);
if(!clip)return;
var trans=Components.classes['@mozilla.org/widget/transferable;1'].createInstance(Components.interfaces.nsITransferable);
if(!trans)return;
trans.addDataFlavor('text/unicode');
var str=new Object();
var len=new Object();
var str=Components.classes["@mozilla.org/supports-string;1"].createInstance(Components.interfaces.nsISupportsString);
var copytext=maintext;str.data=copytext;trans.setTransferData("text/unicode",str,copytext.length*2);
var clipid=Components.interfaces.nsIClipboard;
if(!clip)return false;
clip.setData(trans,null,clipid.kGlobalClipboard);
return true;
}
return false;
}