var  isValid;
function ValidateForm()
{
    isValid = true;
    MarkAsInvalid(jQuery("input[id$='txtName']", "div.VisitorFormWrapper"));
    MarkAsInvalid(jQuery("input[id$='txtLastName']", "div.VisitorFormWrapper"));
    MarkAsInvalid(jQuery("input[id$='txtPhone']", "div.VisitorFormWrapper"));
    var disclamer = document.getElementById("disclamerInput");
    if (disclamer.checked == true) {
        jQuery("div[id$='_disError']").hide();
         }
         else {
             jQuery("div[id$='_disError']").show();
        isValid = false;
    }
    return isValid;
}

function MarkAsInvalid(element)
{
    if (element.val() == '')
    {
        element.addClass("Invalid");
        isValid = false;
    }
    else
    {
        element.removeClass("Invalid");
    }
}
jQuery(function() {

    try {
        var btnShow = jQuery("img[id$='imgShowForm']");
        var btnHide = jQuery("img[id$='imgHideForm']");
        var elementToHide = jQuery("div.VisitorFormWrapper");
        if (btnShow && btnHide) {
            btnShow.click(function() {
                elementToHide.slideDown("slow");
                jQuery(this).hide();
                btnHide.show();
            });
            btnHide.click(function() {
                elementToHide.slideUp("slow");
                jQuery(this).hide();
                btnShow.show();
            });

        }
    }
    catch (ex) {
        alert(ex);
    }

});