function setCookie(name, value, days) {
     if (days) {
     var date = new Date();
     date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000));
     var expires = "; expires=" + date.toGMTString();
     }
     else var expires = "";
     document.cookie = name + "=" + value + expires + "; path=/";
}
function getCookie(name) {
     var nameEQ = name + "=";
     var ca = document.cookie.split(';');
     for (var i = 0; i < ca.length; i++) {
     var c = ca[i];
     while (c.charAt(0) == ' ') c = c.substring(1, c.length);
     if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length, c.length);
     }
     return null;
}
function eraseCookie(name) {
     setCookie(name, "", -1);
};

$(document).ready(function() {
$(window).scroll(function() {
$('#block').animate({top:$(window).scrollTop()+"px" },{queue: false});     
});
$('#close_block').click(function() {
$('#block').animate({ top:"-=40px",opacity:0 }, "slow");
setCookie('blockhiden', 1, 30);
});
if (getCookie('blockhiden')) {
if (getCookie('blockhiden') == 1) {
$('#block').animate({ top:"-=40px",opacity:0 }, "slow");
}
}
});