function epindao(fn_pindao) {
	var epindao;
	switch (fn_pindao) {
		case "电视卫星频道":
			epindao="wspd";break;
		case "电视综合频道":
			epindao="zhpd";break;
		case "电视经济频道":
			epindao="jjpd";break;
		case "美嘉购物频道":
			epindao="dspd";break;
		case "电视影视频道":
			epindao="yspd";break;
		case "电视体育频道":
			epindao="typd";break;
		case "电视教育频道":
			epindao="jypd";break;
		case "电视公共频道":
			epindao="ggpd";break;
		case "数字电视频道":
			epindao="szpd";break;
		case "移动电视频道":
			epindao="ydpd";break;
		case "城市电视频道":
			epindao="cspd";break;
		case "手机电视频道":
			epindao="sjpd";break;
		case "新闻综合广播":
			epindao="r_774";break;
		case "湖北经济广播":
			epindao="r_998";break;
		case "湖北音乐广播":
			epindao="r_1038";break;
		case "湖北交通广播":
			epindao="r_1078";break;
		case "湖北生活广播":
			epindao="r_966";break;
		case "阳光调频广播":
			epindao="r_1026";break;
		case "交通体育广播":
			epindao="r_927";break;
		case "楚天音乐广播":
			epindao="r_1058";break;
		case "楚天新闻广播":
			epindao="r_1179";break;
		case "楚天卫星广播":
			epindao="r_916";break;
		default:
			epindao="wspd";
	}
	return epindao;
}
function updatedate(fn_date) {
	var str_date,str_day,msg_date="";
	str_date=fn_date.getFullYear()+"-"+(fn_date.getMonth()+1)+"-"+fn_date.getDate();
	$("#date").val(str_date);
	updateajax(str_date);
	str_day=fn_date.getDay()-1;
	if (str_day<0){str_day=6};
	fn_date.setDate(fn_date.getDate()-str_day);
	for (var i=0;i<7;i++) {
		str_date=fn_date.getFullYear()+"-"+(fn_date.getMonth()+1)+"-"+fn_date.getDate();
		msg_date=msg_date+"<li title=\""+str_date+"\">"+array_week[i]+"</li>";
		fn_date.setDate(fn_date.getDate()+1);
	}
	$("#nav_time").html(msg_date);
	$("#nav_time li").eq(str_day).addClass("current");
}
function updateajax(fn_date) {
	if (jmd_pindao.indexOf("r_")==-1)
	{
		$("#jiemudan").attr("src",jmd_url+jmd_pindao+fn_date+".htm");
	}
	else
	{
		var fn_date_gb=new Date(fn_date.replace("-"," "));
		var fn_pindao_gb=jmd_pindao.substr(2);
		$("#jiemudan").attr("src","http://"+fn_pindao_gb+jmd_url_gb+array_week_gb[fn_date_gb.getDay()]+".htm");
	}
}
var jmd_url="http://echo.hbtv.com.cn/jiemudan/htm/";
var jmd_url_gb=".hbtv.com.cn/attache/";
var array_week=new Array("星期一","星期二","星期三","星期四","星期五","星期六","星期日");
var array_week_gb=new Array("sunday","monday","tuesday","wednesday","thursday","friday","saturday");
var request = { 
　　QueryString : function(val) {
　　var uri = window.location.search;
　　var re = new RegExp("" +val+ "=([^&?]*)", "ig");
　　return ((uri.match(re))?(uri.match(re)[0].substr(val.length+1)):"电视卫星频道");
　　}
}
var pindao=decodeURIComponent(request.QueryString("pindao"));
var jmd_pindao=epindao(pindao);
$(document).ready(function(){
	if ($.browser.msie) { document.execCommand("BackgroundImageCache", false, true);}
	$("#pindao").val(pindao).toggle(function(){$("#nav_pindao").slideDown("fast");$("#jiemudan").animate({height:"329px"},"fast");},function(){$("#nav_pindao").slideUp("fast");$("#jiemudan").animate({height:"481px"},"fast");});
	$("#date").datepicker({dateFormat: 'mm/dd/yy', firstDay: 1, showStatus: true}).change(function(){updatedate(new Date($("#date").val()));});
	updatedate(new Date());
	$("#nav_pindao").click(function(event){
		$temp=$(event.target)
		if ($temp.is("li")) {
		$temp.addClass("current").siblings().removeClass("current");
		$("#pindao").val($temp.text());
		jmd_pindao=epindao($temp.text());
		updateajax($("#date").val());
		}
	});
	$("#nav_time").click(function(event){
		$temp=$(event.target)
		if ($temp.is("li")) {
		$temp.addClass("current").siblings().removeClass("current");
		$("#date").val($temp.attr("title"));
		updateajax($temp.attr("title"));
		}
	});
});