function copyLink(){
	try {
		var cText =  document.location.toString();
		if (window.clipboardData) {
			window.clipboardData.setData("Text", cText);
			alert("复制完成!");
		} else if (window.netscape) {
			try {
				netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
			} catch (e) {
				alert("您的浏览器设置为不允许复制！\n如果需要此操作，请在浏览器地址栏输入'about:config'并回车\n然后将'signed.applets.codebase_principal_support'设置为'true',再重试复制操作!");
				return false;
			}
			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);
			
			str.data = cText;
			trans.setTransferData("text/unicode", str, cText.length * 2);
			var clipid = Components.interfaces.nsIClipboard;
			if (!clip) 
				return false;
			clip.setData(trans, null, clipid.kGlobalClipboard);
			alert("复制完成!");
		}
	} catch (e) {
	}
};