// JavaScript Document


function copy(o,txt)
{
	var snContent = document.getElementById("snContent");
	 txt= snContent.innerHTML;
	if( !copy_clip(txt)){
	}
}


function copy_clip(txt)
{       
     if(window.clipboardData)
     {
        window.clipboardData.clearData();
        window.clipboardData.setData("Text", txt);
        //alert("复制成功！")
		$("#snTip").fadeIn("slow");
     }
     else if(navigator.userAgent.indexOf("Opera") != -1)
     {
        window.location = txt;
     }
     else if (window.netscape)
     {
       try
       {
          netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
       }
       catch (e)
       {
          alert("您的浏览器安全设置不允许编辑器自动执行拷贝操作,请使用键盘快捷键(Ctrl+C)来完成");
       }
        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);
        //alert("复制成功！")
     }
     return false;
}