var plCtrl = {
	loaded:0,
	total:0,
	now:0,
	maxl:5,
	nshow:false,
	cbfun:null,
	isOk:false,
	toLoad:[],
	res:[],
	checkLoadComplete:function(){
		if(this.loaded>=this.total) {
			this.isOk=true;
		}
		var per = parseInt(this.loaded*100/this.total);
		if(per>=100) {
			per=100;
			alertTips.hide();
			this.nshow=false;
			if(typeof(this.cbfun)=='function') {
				this.cbfun();
			}
		} else {
			$('#lper2').html(per+'');
		}
	},
	show:function(cf){
		this.cbfun=cf;
		this.nshow=true;
	},
	loadImage:function(iData,iobj){
		var _this = this;
		var img = iobj;
		if(!img) {
			img = new Image();
		}
		var t=0;
		img.onload = function () {
			_this.loaded++;
			_this.checkLoadComplete();
			_this.doLoad(img);
		};
		img.onerror = function(){
			t++;
			if(t>3) {
				_this.loaded++;
				_this.checkLoadComplete();
				_this.doLoad(img);
			} else {
				img.src = iData+'?r=1';
			}
		}
		img.src = iData;
	},
	doLoad:function(iobj){
		if(this.now>=this.total) {
			return;
		}
		this.loadImage(this.toLoad[this.now],iobj);
		this.now++;
	},
	load:function(list,cf){
		this.res = [];
		this.cbfun=cf;
		this.total = list.length;
		this.loaded = 0;
		this.now = 0;
		var maxp = this.total;
		this.toLoad = list;
		for(var i=0;i<this.maxl;i++) {
			this.loadImage(list[i]);
		}
		this.now=this.maxl;
	}
}