Установка куки через JS

$(document).ready( function(){
$('#popup').fadeIn();
var winHeight = $(window).height();
$('#popup').css({'height':winHeight});
var blockHeight = $('#popup .block').height();
var blockHeight2 = (winHeight - blockHeight - 10) / 2;
$('#popup .block').css({'margin-top':blockHeight2});
$('.popup').prepend("<div class='closeBlock2'></div>");
$('.closeBlock2').css({'height':winHeight});
$('.close').click(function(){
$('.popup').fadeOut();
$('.closeBlock2').remove();
});
$('#popup .close').click(function(){
$('#popup').fadeOut();
$('#popup').remove();
});

$('#popup .close').click(function(){
var banner=new Date();
banner.setMinutes(600+ws.getMinutes());
document.cookie="_banner_=1; path=/; expires="+ ws.toGMTString();

});
});

$('#popup .close').click(function(){
$('#popup').fadeOut();
$('#popup').remove();

expires=new Date();
expires.setMinutes(600+expires.getMinutes());
document.cookie="banner=1; path=/; expires="+ expires.toGMTString();
});