function  change_online(onlinebuy){
    for(var i=1;i<=8;i++){
        if(i==onlinebuy){
            document.getElementById("online_item"+i).className="online_item";
           document.getElementById("online_tab"+i).style.display="";
        }
        else{
            document.getElementById("online_item"+i).className="";
            document.getElementById("online_tab"+i).style.display="none";
        }
    }
}

//在线购买
function  change_shopbuy(onlinebuy){
    for(var i=1;i<=6;i++){
        if(i==onlinebuy){
            document.getElementById("shopbuy_item"+i).className="shopbuy_item";
           document.getElementById("shopbuy_tab"+i).style.display="";
        }
        else{
            document.getElementById("shopbuy_item"+i).className="";
            document.getElementById("shopbuy_tab"+i).style.display="none";
        }
    }
}





//粘贴代码
function showTab(obj,obj2,num,len,listyle)
{
 for(var id = 1;id<=len;id++)
 {
  var ss=obj+id;
  var ss2=obj2+id;
  if(id==num){
  try{
document.getElementById(ss2).className=listyle;
document.getElementById(ss).style.display="block"}catch(e){};
  }else{
  try{
document.getElementById(ss2).className="";
document.getElementById(ss).style.display="none"}catch(e){};
  }
 }  
}

function copyCode(obj)
{var testCode=document.getElementById("copytext").value;
if(copy2Clipboard(testCode)!=false)
{alert("生成的代码已经复制到粘贴板，你可以使用Ctrl+V 贴到需要的地方去了哦！  ");}
}
copy2Clipboard=function(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("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，相对路径为firefox根目录/greprefs/all.js");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=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);}}