锘縱ar viewNum_ = 4;
//==================鍥剧墖璇︾粏椤靛嚱鏁?====================
function jqzoomInit(width,viewNum) {
    viewNum_ = viewNum;
    
}
function getCurviewNum() {
	return viewNum_;
}
//榧犳爣缁忚繃棰勮鍥剧墖鍑芥暟
function preview(img,width){
	var isvideo = $(img).attr("isvideo");
	if(isvideo=='1'){
        $(".jqzoom").hide();$(".prism-player").show();
        $(img).parent().addClass("add").siblings(".items ul li").removeClass("add");
	}else {
        $(".jqzoom").show();$(".prism-player").hide();
        $("#preview .jqzoom img").attr("src", $(img).attr("big"));
        $("#preview .jqzoom img").attr("jqimg", $(img).attr("big"));
        $(img).parent().addClass("add").siblings(".items ul li").removeClass("add");
       
    }
}
//榧犳爣缁忚繃棰勮鍥剧墖鍑芥暟
function preview(img){
	var width = $(".jqzoom").parent().attr("width");
    var isvideo = $(img).attr("isvideo");
    if(isvideo=='1'){
        $(".jqzoom").hide();$(".prism-player").show();
        $(img).parent().addClass("add").siblings(".items ul li").removeClass("add");
    }else {
        $(".jqzoom").show();$(".prism-player").hide();
        $("#preview .jqzoom img").attr("src", $(img).attr("big"));
        $("#preview .jqzoom img").attr("jqimg", $(img).attr("big"));
        $(img).parent().addClass("add").siblings(".items ul li").removeClass("add");
      
    }
}
//鍥剧墖鏀惧ぇ闀滄晥鏋
$(function(){
	$(".jqzoom").jqueryzoom({xzoom:380,yzoom:410});
});

//鍥剧墖棰勮灏忓浘绉诲姩鏁堟灉,椤甸潰鍔犺浇鏃惰Е鍙
$(function(){
	var tempLength = 0; //涓存椂鍙橀噺,褰撳墠绉诲姩鐨勯暱搴
	var viewNum = getCurviewNum(); //璁剧疆姣忔鏄剧ず鍥剧墖鐨勪釜鏁伴噺
	var moveNum = 1; //姣忔绉诲姩鐨勬暟閲
	var moveTime = 300; //绉诲姩閫熷害,姣
	var scrollDiv = $(".spec-scroll .items ul"); //杩涜绉诲姩鍔ㄧ敾鐨勫鍣
	var scrollItems = $(".spec-scroll .items ul li"); //绉诲姩瀹瑰櫒閲岀殑闆嗗悎
	var moveLength = scrollItems.length>viewNum?scrollItems.eq(1).width() * moveNum :0; //璁＄畻姣忔绉诲姩鐨勯暱搴
	var countLength = (scrollItems.length - viewNum) * scrollItems.eq(0).width(); //璁＄畻鎬婚暱搴?鎬讳釜鏁?鍗曚釜闀垮害
	  
	//涓嬩竴寮
	$(".spec-scroll .next").bind("click",function(){
        var scrollItems = $(".spec-scroll .items ul li"); //绉诲姩瀹瑰櫒閲岀殑闆嗗悎
        var moveLength = scrollItems.length>getCurviewNum()?scrollItems.eq(1).width() * moveNum :0; //璁＄畻姣忔绉诲姩鐨勯暱搴
        var countLength = (scrollItems.length - getCurviewNum()) * scrollItems.eq(0).width(); //璁＄畻鎬婚暱搴?鎬讳釜鏁?鍗曚釜闀垮害
		if(tempLength < countLength){
			if((countLength - tempLength) > moveLength){
				scrollDiv.animate({left:"-=" + moveLength + "px"}, moveTime);
				tempLength += moveLength;
			}else{
				scrollDiv.animate({left:"-=" + (countLength - tempLength) + "px"}, moveTime);
				tempLength += (countLength - tempLength);
			}
		}
	});
	//涓婁竴寮
	$(".spec-scroll .prev").bind("click",function(){
        var scrollItems = $(".spec-scroll .items ul li"); //绉诲姩瀹瑰櫒閲岀殑闆嗗悎
        var moveLength = scrollItems.length>getCurviewNum()?scrollItems.eq(1).width() * moveNum :0; //璁＄畻姣忔绉诲姩鐨勯暱搴
        var countLength = (scrollItems.length - getCurviewNum()) * scrollItems.eq(0).width(); //璁＄畻鎬婚暱搴?鎬讳釜鏁?鍗曚釜闀垮害
		if(tempLength > 0){
			if(tempLength > moveLength){
				scrollDiv.animate({left: "+=" + moveLength + "px"}, moveTime);
				tempLength -= moveLength;
			}else{
				scrollDiv.animate({left: "+=" + tempLength + "px"}, moveTime);
				tempLength = 0;
			}
		}
	});
});
//==================鍥剧墖璇︾粏椤靛嚱鏁?====================