function ShowAd(Str)
{
	switch(Str)
	{
		case 'A':
			document.write('');
			break;
		case 'B':
			document.write('');
			break;
		case 'C':
			document.write('');
			break;
		case 'D':
			document.write('<script language="javascript" type="text/javascript" src="http://js.users.51.la/4673606.js"></script>');
			//var strstrong=document.getElementsByTagName("strong");
			//for (var i=0;i<strstrong.length;i++)
			//{
				//strstrong[i].onclick=function()
				//{
					//javascript:location.href='http://t.cn/zOvSZ5m';
				//};
			//}
			break;
	}
}