// change menu
//(menuǰַ,contentǰַ,,ǰ,class,رclass,Ƿopen״̬)
function change_menu(menu_str,total_num,now_num,open_className,close_className,not_chk_open){
	not_chk_open=(not_chk_open==null)?true:false;
	var menu_className=$(menu_str+now_num).className;
	if(menu_className==open_className && not_chk_open){
		$(menu_str+now_num).className=close_className;
	}
	else if(menu_className==close_className){
		for(var i=1; i<=total_num;i++){
			$(menu_str+i).className=close_className;
		}
		$(menu_str+now_num).className=open_className;
	}
}
// 
var Scroller=function(id){
		
	//ʼ START>>>
	this.init=function(){
		
		this.ele.style.position="absolute";
		this.ele.style.width=(this.options.width*2+8)+"px";
		this.ele.style.left="0";
		this.ele.style.top="0";

		var HTML=this.ele.innerHTML;
		this.ele.innerHTML+=HTML;
		
		var __scroller=this;/*ַʽ*/
		
		this.ele.onmouseover=function(){
			__scroller.stop();
		}
		
		this.ele.onmouseout=function(){
			__scroller.run(this.normal);
		}
		
	}

	this.setOptions=function(ops){
		for (var desc in ops) {
			this.options[desc] = ops[desc];
		}
	}
	
	this.run=function(ops){
		this.stop();
		this.setOptions(ops||{});
		var __scroller=this;
		this.mover=setInterval(function(){__scroller.move();},this.options.speed);
		
	}
	
	this.stop=function(){
		if(this.mover!=null){
			clearInterval(this.mover);
		}		
	}
	
	this.move=function(){
		var pos=parseInt(this.ele.style.left);
		if(this.options.orientation=="left"){
			
			if(Math.abs(pos)-this.options.width>=0){
				this.ele.style.left="-"+this.options.step*2+"px";
			}else{
				this.ele.style.left=(pos-this.options.step)+"px";
			}
			
		}else{
		
			if(pos>=0){
				this.ele.style.left="-"+(this.options.width-this.options.step*2)+"px";
			}else{
				this.ele.style.left=(pos+this.options.step)+"px";
			}
		
		}
	}
	
	//ԣ
	this.options={
		orientation:"left",
		speed:50,
		step:1,
		width:100
	}
	
	this.mover=null;
	this.ele=document.getElementById(id);

	//ʼ START>>>
	this.setOptions(arguments[1]||{});
	this.init();
	this.run();
}
//GD
function change_obj(obj_id,img_id){
	if($(obj_id).style.display =="block"){
		$(obj_id).style.display ="none";
		$(img_id).src = "http://xyq.duowan.com/s/i09/"+img_id+".jpg";
	}
	else{
		$(obj_id).style.display = "block";
		$(img_id).src = "http://xyq.duowan.com/s/i09/"+img_id+".jpg";
	}
}