// js 复制功能 支持 for IE/FireFox/mozilla/ns
function copytxt(the_txt)
{
 if (window.clipboardData) 
 {
	window.clipboardData.setData("Text", the_txt);
 }
 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=the_txt;
	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);
 }
	alert("下面的信息已复制到剪贴板 :\n\n" + the_txt);
	return false;
}
function copyT(txt) {
	if(window.clipboardData) {
		window.clipboardData.clearData();
		window.clipboardData.setData("Text", txt);
	} else if(navigator.userAgent.indexOf("Opera") != -1) {
		window.location = txt;
	} else if (window.netscape) {
	try {
		netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
	} catch (e) {
		alert("你使用的FF浏览器,复制功能被浏览器拒绝！\n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'");
	}
	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 = txt;
	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);
	}
}