if(typeof picfocusmanager == "undefined")
	{
		picfocusmanager =[];
	}
	function picfocus(imagecontainerid,textcontainerid,buttoncontainerid,intervartime){
		this.$ = function (id){return document.getelementbyid(id)}
		this.index = picfocusmanager.length;
		picfocusmanager[picfocusmanager.length] = this;
		this.imagecontainer = this.$(imagecontainerid);
		this.textcontainer = this.$(textcontainerid);
		this.buttoncontainer = this.$(buttoncontainerid);
		this.firstshow = 0; //榛樿鏄剧ず椤?		this.interval = (isnan(intervartime)?0:intervartime) || 5000;
		 //鍒囨崲鏃堕棿
		this.canautoplay = true; //鏄惁鍙互鑷姩鍒囨崲
		this.currentposition = this.firstshow;
		this.timer;
		this.images = [];
		this.texts = [];
		this.buttons = [];
		this.callback=function(){};
		this.bindevent = function(){
			var _self = this;
			for(var i=0;i<this.images.length;i++){
				this.images[i].onmouseover = function(){
					_self.stop();
				}
				this.images[i].onmouseout = function(){
					_self.timer = settimeout('picfocusmanager[' + _self.index + '].play()' , _self.interval )
				}
			}
			for(var i=0;i<this.buttons.length;i++){
				this.buttons[i].onclick = function(){
					_self.focus(this);
				}
			}
		}
		this.play = function(){
			this.stop();
			if(this.canautoplay){
				this.setfocus(this.currentposition ++ )
				if(this.currentposition >= this.images.length)this.currentposition =0 ;
			}
			this.timer = settimeout('picfocusmanager[' + this.index + '].play()' , this.interval )
		}
		this.stop = function(){
			cleartimeout( this.timer );
		}
		this.focus = function(button){
			for(var i=0;i<this.buttons.length;i++){
				if(this.buttons[i] == button){
					this.currentposition = i;
					this.setfocus(this.currentposition);
					break;
				}
			}
		}
		this.setfocus = function(i){
			if(/microsoft/.test(navigator.appname)){
				this.imagecontainer.filters[0].apply();
				this.imagecontainer.filters[0].play();
			}
			for(var j=0;j<this.images.length;j++){
				this.images[j].style.display = (i==j)?"":"none";
			}
			for(var j=0;j<this.texts.length;j++){
				this.texts[j].style.display = (i==j)?"":"none";
			}
			for(var j=0;j<this.buttons.length;j++){
				this.buttons[j].classname = (i==j)? this.buttons[j].getattribute("focusclass") :this.buttons[j].getattribute("normalclass");
			}
			if(/microsoft/.test(navigator.appname)){  //婊ら暅鐗堟湰
				new activexobject("dximagetransform.microsoft.fade");
				this.imagecontainer.filters[0].play();
			}
			this.callback(i);
		}
		this.init = function(){
			if(this.imagecontainer && this.buttoncontainer){
				//init
				this.images=this.imagecontainer.getelementsbytagname("img");
				if(this.textcontainer) this.texts=this.textcontainer.getelementsbytagname("label");
				this.buttons=this.buttoncontainer.getelementsbytagname("a");
				this.bindevent();
				for(var i=0;i<this.images.length;i++){
					this.images[i].style.display = "none";
					if(i<this.texts.length) this.texts[i].style.display = "none";
					this.buttons[i].classname = this.buttons[i].getattribute("normalclass");
					this.buttons[i].target="_self";
				}
				this.images[this.firstshow].style.display = "";
				if(this.firstshow<this.texts.length) this.texts[this.firstshow].style.display = "";
				this.buttons[this.firstshow].classname = this.buttons[this.firstshow].getattribute("focusclass");
			}else{
				alert("no provide correct parameter")
			}
		}
	}