if(typeof(A4page) == 'undefined') A4page = {}; A4page.Zone = [];
A4page.Zone["H1"]={"zonecode":"H1",content:[{ "aid":"14960", "zid":"293",	"title":"社交必备英语-免费课程每日发送",	"link":"http://www.chanet.com.cn/click.cgi?a=96016&d=37537&u=&e=&url=http://www.cn.englishtown.com/sp/tests/start.aspx?etag=A02012031FF",	"advtype":"T",	"source":"",	"adFormCode":"H1",  "protected":false },{ "aid":"11383", "zid":"293",	"title":" 精选新概念必背优秀文章36篇",	"link":"http://www.hjenglish.com/down/10799/",	"advtype":"T",	"source":"",	"adFormCode":"H1",  "protected":false },{ "aid":"11382", "zid":"293",	"title":" 雅思作文必须注意的英汉表述十大区别",	"link":"http://www.hjenglish.com/down/11134/",	"advtype":"T",	"source":"",	"adFormCode":"H1",  "protected":false },{ "aid":"11381", "zid":"293",	"title":"沪江原创资料打包下载：烤鸭写作胜策",	"link":"http://www.hjenglish.com/down/11294/",	"advtype":"T",	"source":"",	"adFormCode":"H1",  "protected":false }]};A4page.Zone["Z1"]={"zonecode":"Z1",content:[{ "aid":"15676", "zid":"346",	"title":"马上订阅为英专学生订制的职场英语课程(免费)",	"link":"http://www.chanet.com.cn/click.cgi?a=96016&d=37537&u=&e=&url=http://www.cn.englishtown.com/sp/tests/start.aspx?etag=A02012031FF",	"advtype":"T",	"source":"",	"adFormCode":"Z1",  "protected":false }]};

function show_a4_zone(zonecode)
{
		if(A4page.Zone[zonecode].content[0].advtype == "T"){

			for (var i=0, post; post = A4page.Zone[zonecode].content[i]; i++) {

				if(zonecode.substring(0,1) == "H")
					document.write("<a href=\"http://a4.yeshj.com/rd?aid="+ post.aid +"&zid="+ post.zid +"&url="+ encodeURIComponent(post.link) +"\" target=\"_blank\">" + post.title +"</a>&nbsp;&nbsp;");
				else
					document.write("<a href=\"http://a4.yeshj.com/rd?aid="+ post.aid +"&zid="+ post.zid +"&url="+ encodeURIComponent(post.link) +"\" target=\"_blank\">" + post.title +"</a><br/>");
			}			

		}	else if (A4page.Zone[zonecode].content[0].advtype == "P"){

			if( A4page.Zone[zonecode].content.length == 1 ){

				document.write("<a href=\"http://a4.yeshj.com/rd?aid="+ A4page.Zone[zonecode].content[0].aid +"&zid="+ A4page.Zone[zonecode].content[0].zid +"&url="+ encodeURIComponent(A4page.Zone[zonecode].content[0].link) + "\" target=\"_blank\"><img src=\""+ A4page.Zone[zonecode].content[0].source +"\" border=\"0\"></a>");

			}else{

				for (var i=0, post; post = A4page.Zone[zonecode].content[i]; i++) {
						document.write("<a href=\"http://a4.yeshj.com/rd?aid="+ post.aid +"&zid="+ post.zid +"&url="+ encodeURIComponent(post.link) + "\" target=\"_blank\"><img src=\""+ post.source +"\" border=\"0\"></a><br/><br/>");
				}						
			}

		}else if (A4page.Zone[zonecode].content[0].advtype == "F"){

			document.write(ConvertUbb(A4page.Zone[zonecode].content[0].source));

		}
}

function ConvertUbb(Source){
	//定义ubb转换参数
	var flash_ubb = /\[flash=(\d*),(\d*)\](\S*)\[\/flash\]/igm;
	var flash_html= "<OBJECT codeBase=\"http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=8,0,22,0\" "
	+ " classid=\"clsid:d27CDB6E-AE6D-11cf-96B8-444553540000\" "
	+ "width=$1 height=$2>"
	+ "<PARAM NAME=movie VALUE=\"$3\">"
	+ "<PARAM NAME=quality VALUE=high>"
	+ "<embed src=\"$3\" width=$1 height=$2 quality=high name=index type=\"application/x-shockwave-flash\" pluginspage=\"http://www.macromedia.com/go/getflashplayer\"/>"
	+ "</OBJECT>";
	//执行转换
	Source=Source.replace(flash_ubb, flash_html );
	return Source;
}