ASP.NET

<div id="_slider_Container">
   <div id="slide0"><img /></div>
   <div id="slide1"><img /></div>
   <div id="slide2"><img /></div>
   <div id="slide3"><img /></div>
</div>

$(document).ready(function () {
    
    var slideContainer = $('[id*="_slider_container"]');
    var slidesHolder = $(slideContainer).children();
    var slideWidth = $(slideContainer).width();
    var slides = $(slidesHolder).children();
    var slidePos = 0;    
    var slideTotal = slides.length;
    var currentSlide = 0;
    var delay = 5000;
    var slideTime = 1000;

    $(slideContainer).css({
        'overflow': 'hidden',
        'position': 'relative'
    });

    $(slidesHolder).css({
        'position': 'absolute'
    });

    for (var i = 0; i < slides.length; i++) {
        $(slides[i]).css({
            'position': 'absolute',
            'top': '0',
            'left': slidePos + 'px'
        });
        slidePos = slidePos + slideWidth;
    }

    $(slidesHolder).css('width', slidePos + slideWidth);

    $(slides).first().clone().css({
        'left': slidePos + 'px'
    }).appendTo(slidesHolder);

    animate();

    function animate() {
        $(slidesHolder).delay(delay).animate({
            left: '-=' + slideWidth
        }, slideTime, function () {
            if (currentSlide < slideTotal - 1) {
                currentSlide++;
                animate();
            } else {
                $(slidesHolder).css({
                    'left': 0
                });
                currentSlide = 0;
                animate();
            }
        });
    }

});

<script type="text/javascript">
function jsTest()
{
    if (document.getElementById("<%=txtBox1.ClientID%>").value == "") {
        alert("Please Select a Pay From Option");
        document.getElementById("<%=txtBox1.ClientID%>").focus();
        return false;
    }
    else {
        alert(document.getElementById("<%=txtBox1.ClientID%>").value);
    }
}
</script>

<script type="text/javascript">
function Confirm() {
    return confirm("Are U sure to delete this file؟");
}

<asp:Button ID="BtnDelete" runat="server" Text="delete" Width="95" OnClientClick="if (!Confirm()) return false;" UseSubmitBehavior="False"/>