/**
 * FF IE 通用的剪贴板内容复制函数
 * @param {Object} txt 需要复制到剪贴板的文本内容
 */
function copyToClipboard(txt) {    
     if(window.clipboardData) {    
		window.clipboardData.clearData();    
		window.clipboardData.setData("Text", txt);
		alert("复制成功！");
     } else if(navigator.userAgent.indexOf("Opera") != -1) {    
          window.location = txt;
          alert("复制成功！");
     } else //if (window.netscape) 
     {    
          try {    
               netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");    
          } catch (e) {    
               alert("被浏览器拒绝，请按以下设置浏览器的这个复制功能!\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'");
	       //location.href="about:config?signed.applets.codebase_principal_support"; 
          }    
          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！");
    }    
}   
function copyToClip(str)
{
	var cbo = new CallBackObject();			
	cbo.OnComplete = Cbo_Complete_CopyEmail;	
	var url = "/net/miscell/getJPEG.aspx?str=" + str +"&flag=1";
	cbo.DoCallBack(url);
}
function Cbo_Complete_CopyEmail(responseText, responseXML)
{
	if (responseText !=null && responseText !="")copyToClipboard(responseText);
}