//本网站效果由昆明天度网络iris原创制作
function screenboxshow(outid,sumid,liid){
	var _out = $(outid);
	var _sum = _out.find(sumid);
	var _liarr = _sum.find(liid);
	var _length = _liarr.length;
	var _index = 0;
	var _width= $(window).width();
	var _height = $(window).height();
	var _bool = true;
	
	var _nav = $(".navbox");
	var _float = $(".floatbox p");
	
	//必要样式添加
	_out.css({
		"position":"relative",
		"width":"100%",
		"overflow":"hidden",
		"height":_height+"px"
		});
	_sum.css({
		"position":"relative",
		"width":"100%",
		"left":"0px",
		"top":"0px"
		});
	_liarr.css({
		"position":"relative",
		"width":"100%",
		"overflow":"hidden",
		"height":_height+"px",
		"display":"block"
		})
	
	//屏幕变化and必要初始值
	var winsize = function(){
		_width= $(window).width();
	    _height = $(window).height();
		_out.css({"height":_height+"px"});
		_liarr.css({"height":_height+"px"});
		var _nowmove = -_index * _height;
		_sum.css({"top":_nowmove+"px"});
		if(_index == 0){ _nav.css({"top":"120px"}); }else{ _nav.css({"top":"0px"}); }
		_float.eq(_index).addclass("sel").siblings().removeclass("sel");
		if(_width <= 1366){
             $(".floatbox").css("display","none");
		}else{
			$(".floatbox").css("display","block");
		}
	};
	winsize();
	$(window).resize(function(){
		winsize();
		});
		
	//主体运动
	var screencartoon = function(){
		var _nowmove = -_index * _height;
		if(_sum.is(":animated")){_sum.stop(true,true);}
		_sum.animate({top:_nowmove+"px"},300,function(){
			_bool = true;
			});
		if(_index == 0){ 
		   _nav.animate({top:"120px"},300);
		 }else{ 
		     _nav.animate({top:"0px"},300);
		  }
		_float.eq(_index).addclass("sel").siblings().removeclass("sel");
	};
	
	_float.click(function(){
		_index = $(this).index();
		screencartoon();
		});
	$(".indexnext").click(function(){
		nextpage();
		});
	
	var nextpage = function(){
		_index++;
		if(_index >= _length){ _index = _length-1; }
		screencartoon();
	}
	var lastpage = function(){
		_index--;
		if(_index < 0){ _index = 0; }
		screencartoon();
	}
	
	
	$('body').bind('mousewheel',function(event, delta){
		if(_bool){  
		  _bool = false;
          if(delta < 0){nextpage();}else {lastpage();} 
		} //bool end
    });//滚轮判断
	
}//fun end

//禁止滚轮影响滚动条
function disabledmousewheel() {  
    if (document.addeventlistener) {  
        document.addeventlistener('dommousescroll', scrollfunc, false);  
    }  
    window.onmousewheel = document.onmousewheel = scrollfunc;  
}  
function scrollfunc(evt) {  
    evt = evt || window.event;  
    if (evt.preventdefault) {  
        evt.preventdefault();  
        evt.stoppropagation();  
    }  
    else {  
        evt.cancelbubble = true;  
        evt.returnvalue = false;  
    }  
    return false;  
}  
window.onload=disabledmousewheel;