function getLocation()
          {
              var t=document.location.href;
              //IE            
              if(window.clipboardData)
              {
                window.clipboardData.clearData();
                window.clipboardData.setData("Text", t);
              }
              //Opera浏览器
              else if(navigator.userAgent.indexOf("Opera") != -1)
              {
                  window.location = t;
              }
              //FireFox
              else if (window.netscape)
              {
                  try
                  {
                      netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
                  }
                  catch (e)
                  {
                      alert("您的firefox安全限制限制您进行剪贴板操作，请打开'about:config'将signed.applets.codebase_principal_support'设置为true'之后重试");
                      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);
                  var copytext = t;
                  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("已经复制了本文链接，谢谢你的分享");
          }
          
          
function switchTabs(tabNum, parentId) {
	var tabs = document.getElementById(parentId.id).getElementsByTagName('h2');
	var boxId = parentId.parentNode.id;
	for (var i = 0; i < tabs.length; i++) {
		var thisTab = tabs[i];
		if ((thisTab.id != '')) {
			document.getElementById(boxId+'-content'+i).style.display = 'none';
			if (i == tabNum) {
				if (i == 0) {
					thisTab.className = 'on first';
				} else {
					thisTab.className = 'on';
				}
				document.getElementById(boxId+'-content'+i).style.display = 'block';
			} else {
				thisTab.className = '';
			}
		}
	}
}