if (navigator.appName.indexOf("Internet Explorer") != -1)
document.onmousedown = noSourceExplorer;
function noSourceExplorer(){if (event.button == 2 | event.button == 3)
{
alert("您欣賞本網站的圖形？\n未經版主同意請勿擅自複製本站內容喔！\n");}}