var NW$=function (id){return document.getElementById(id);};
var NW$2=function (name){return document.getElementsByName(name);};
var video={
	head:document.getElementsByTagName('head').item(0),
	_js:"",
	ref:"",
	chooseCoach:function(id,de){
		if(id!=''){
			//alert('a');
			video.createScript("../js/videoCoachAlbum.js");
			if(document.all) { 
				video._js.onreadystatechange=function(){
					if(video._js.readyState=='loaded'||video._js.readyState=='complete'){
						video.createSelect('album','--请选择类别--','',arrayStr,id,de);	
					}
				}
			}
			else {
				video._js.onload=function() {
					video.createSelect('album','--请选择类别--','',arrayStr,id,de);	
				}
			}
		}
	},
	createScript:function(file){
		video._js=document.createElement("script");
		video._js.setAttribute("type","text/javascript");
		video._js.setAttribute("src",file);
		void(video.head.appendChild(video._js));
	},
	createSelect:function(e,edt,edv,arry,p,de){
		NW$(e).length=0; 
		NW$(e).options[0] = new Option(edt,edv);
		for (i=0;i<arry.length; i++){
			if (arry[i][0] == p){ 
				NW$(e).options[NW$(e).length] = new Option(arry[i][1],arry[i][2]);
				if(arry[i][2]==de){
					NW$(e).options[NW$(e).length-1].selected=true;	
				}
			}        
		}	
	},
	videoInfo:{
		download:function(id){
			var n = Math.random();
            var ajax2 = new AJAXRequest;
            ajax2.get("/api.aspx?action=downloadVideoDo&id=" + id + "&n=" + n, function(obj){
                if (obj.responseText != null && obj.responseText != '') {
                    var resText = obj.responseText.split("|");
					 if(resText[0]=='FAILURE'){
						jAlert(resText[1], '提示');
					}
					else{
						document.location=resText[1];
					}
                }
            });
		},
		changeType:function(id,mode){
			var n = Math.random();
            var ajax2 = new AJAXRequest;
            ajax2.get("/api.aspx?action=getCourseVideoByVideoMode&id=" + id + "&mode="+mode+"&n=" + n, function(obj){
                if (obj.responseText != null && obj.responseText != '') {
                    var resText = obj.responseText.split("|");
					 if(resText[0]=='FAILURE'){
						jAlert(resText[1], '提示');
					}
					else{
						NW$("PlayArea").innerHTML=resText;
					}
                }
            });
		}	
	},
	search:{
		searchDelDo:function(type,v){
			video.fun.cancelCheckbox('f'+type,v);
			NW$("filterForm").submit();
		},
		searchAddDo:function(type,v){		
			NW$("filterForm").submit();
		}
	},
	packages:{
		goBack:function(){
			document.location=video.ref;
		}
	},
    fun: {
        cancelCheckbox: function(obj, v){
            var obj = document.getElementsByName(obj);
            for (var i = 0; i < obj.length; i++) {
                if (v == obj[i].value) {
                    obj[i].checked = false;
                    break;
                }
            }
        }
    }
}