Edit in JSFiddle

var movePixel=300,
    maxContent=5,
    displayContent=3,
    timer;
$(".left-arrow").on("click",function(){
    doCarousel("left")
});
$(".right-arrow").on("click",function(){
    doCarousel("right")
});

function doCarousel(type){
    var imgContent= $(".img-content"),
        calString=type=="left"?"-=":"+=";
    
    if(!isValidMove(type)){
        shiftImg(imgContent,type);
    }else{
        $(imgContent).animate({
        marginLeft: calString+movePixel+"px"
        });
    }
}
function shiftImg(imgContent,type){
    if(type=="left"){
        var item=$(imgContent).find(".img-frame:eq(0)"),
            nowMarginLeft=parseInt($(".img-content").css("marginLeft").replace('px', ''));
        $(imgContent).css("marginLeft",(parseInt($(".img-content").css("marginLeft").replace('px', ''))+movePixel)+"px");
        item.remove();
        $(imgContent).append(item);
        $(imgContent).animate({
            marginLeft: nowMarginLeft+"px"
        });
    }else{
        var item=$(imgContent).find(".img-frame:last"),
            nowMarginLeft=parseInt($(".img-content").css("marginLeft").replace('px', ''));
        $(imgContent).css("marginLeft",(parseInt($(".img-content").css("marginLeft").replace('px', ''))-movePixel)+"px");
        item.remove();
        $(imgContent).prepend(item);
        $(imgContent).animate({
            marginLeft: nowMarginLeft+"px"
        });
    }
}
function isValidMove(type){
    var steps=maxContent-displayContent,
        nowMarginLeft=parseInt($(".img-content").css("marginLeft").replace('px', '')),
        result=false;
            
    if(typeof(nowMarginLeft)!=="undefined"&&nowMarginLeft!=null){
        switch(type){
            case "left":
                nowMarginLeft-=movePixel;
                nowMarginLeft=Math.abs(nowMarginLeft);
                if(nowMarginLeft<=steps*movePixel){
                    result=true;
                }
                break;
            case "right":
                nowMarginLeft+=movePixel;
                if(nowMarginLeft<=0){
                    result=true;
                }
                break;
        }
    }
    
    return result;
}

<div class="carousel">
<img class="arrow left-arrow" src="https://encrypted-tbn1.gstatic.com/images?q=tbn:ANd9GcTypuI4VcgOYwtJDLtvVqGZ3NGEOUb0hdyqgWbG1u6kgNrbReqXjg">
<div class="show-room">
    <div class="img-content">
    <div class="img-frame">
        <img src="https://encrypted-tbn3.gstatic.com/images?q=tbn:ANd9GcSRQe3poGb17DtoGHMC9xYgpVD0TEkjzP4M9umHdoJocAQAEV-R" />
    </div>
    <div class="img-frame">
    <img src="https://encrypted-tbn1.gstatic.com/images?q=tbn:ANd9GcSVmaQ811OtkG0xJoGeecH-2mrcgE3awE0aQJBDK2wDCs6M-sb44w" />
            </div>
    <div class="img-frame">
    <img src="https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcQ-8UzPRXKs9wZcYzszae5AOb3AniGIzRRAR9-53GkocL8dt2zMmw" />
            </div>
    <div class="img-frame">
    <img src="https://encrypted-tbn1.gstatic.com/images?q=tbn:ANd9GcS6focM0uX2CyFwneDSke0xPhrB1g24hHGaw5931Wy00DHqA15U8g" />
            </div>
    <div class="img-frame">
    <img src="https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcQ2ScairUgzqy92-Fac58a7DoNsmMS5S4OxfOEqjT0qaI_ctyBY" />
            </div>
</div>
</div>
<img class="arrow right-arrow" src="http://www.netzrocker.com/assets/img/icon_next.png">
</div>

.carousel{
    width:990px;
}
.arrow{
    margin-top:120px;
    float:left;
}
.show-room {
    width:930px;
    overflow:hidden;
    float:left;
}
.show-room .img-frame{
    width:310px;
    margin:5px;
    display:inline;
}
.img-frame img{
    width:300px; 
}
.img-content{
    width:2000px;
    display:block;
}