function get_book_back(id) {
   $.post('other/load.php?mod=books&submod=back&id='+id,booksreturn);
}
function get_book_next(id) {
   $.post('other/load.php?mod=books&submod=next&id='+id,booksreturn);
}
function booksreturn(data) {
   $("#book").html(data);
}
function main_books_block_show() {
   $("#main_books_none").hide();
   $("#main_books_block").show();
   $.post('other/load.php?mod=showhideblock&submod=show&type=main_books_block');
}
function main_books_block_hide() {
   $("#main_books_block").hide();
   $("#main_books_none").show();
   $.post('other/load.php?mod=showhideblock&submod=hide&type=main_books_block');
}

function main_digest_block_show() {
   $("#main_digest_none").hide();
   $("#main_digest_block").show();
   $.post('other/load.php?mod=showhideblock&submod=show&type=main_digest_block');
}
function main_digest_block_hide() {
   $("#main_digest_block").hide();
   $("#main_digest_none").show();
   $.post('other/load.php?mod=showhideblock&submod=hide&type=main_digest_block');
}

function main_professional_block_show() {
   $("#main_professional_none").hide();
   $("#main_professional_block").show();
   $.post('other/load.php?mod=showhideblock&submod=show&type=main_professional_block');
}
function main_professional_block_hide() {
   $("#main_professional_block").hide();
   $("#main_professional_none").show();
   $.post('other/load.php?mod=showhideblock&submod=hide&type=main_professional_block');
}

function main_journal_block_show() {
   $("#main_journal_none").hide();
   $("#main_journal_block").show();
   $.post('other/load.php?mod=showhideblock&submod=show&type=main_journal_block');
}
function main_journal_block_hide() {
   $("#main_journal_block").hide();
   $("#main_journal_none").show();
   $.post('other/load.php?mod=showhideblock&submod=hide&type=main_journal_block');
}

function main_news_block_show() {
   $("#main_news_none").hide();
   $("#main_news_block").show();
   $.post('other/load.php?mod=showhideblock&submod=show&type=main_news_block');
}
function main_news_block_hide() {
   $("#main_news_block").hide();
   $("#main_news_none").show();
   $.post('other/load.php?mod=showhideblock&submod=hide&type=main_news_block');
}

function main_profcompany_images_block_show() {
   $("#main_profcompany_images_none").hide();
   $("#main_profcompany_images_block").show();
   $.post('other/load.php?mod=showhideblock&submod=show&type=main_profcompany_images_block');
}
function main_profcompany_images_block_hide() {
   $("#main_profcompany_images_block").hide();
   $("#main_profcompany_images_none").show();
   $.post('other/load.php?mod=showhideblock&submod=hide&type=main_profcompany_images_block');
}

function main_vacancies_block_show() {
   $("#main_vacancies_none").hide();
   $("#main_vacancies_block").show();
   $.post('other/load.php?mod=showhideblock&submod=show&type=main_vacancies_block');
}
function main_vacancies_block_hide() {
   $("#main_vacancies_block").hide();
   $("#main_vacancies_none").show();
   $.post('other/load.php?mod=showhideblock&submod=hide&type=main_vacancies_block');
}

function main_hot_block_show() {
   $("#main_hot_none").hide();
   $("#main_hot_block").show();
   $.post('other/load.php?mod=showhideblock&submod=show&type=main_hot_block');
}
function main_hot_block_hide() {
   $("#main_hot_block").hide();
   $("#main_hot_none").show();
   $.post('other/load.php?mod=showhideblock&submod=hide&type=main_hot_block');
}

function main_soviets_block_show() {
   $("#main_soviets_none").hide();
   $("#main_soviets_block").show();
   $.post('other/load.php?mod=showhideblock&submod=show&type=main_soviets_block');
}
function main_soviets_block_hide() {
   $("#main_soviets_block").hide();
   $("#main_soviets_none").show();
   $.post('other/load.php?mod=showhideblock&submod=hide&type=main_soviets_block');
}

function main_regions_block_show() {
   $("#main_regions_none").hide();
   $("#main_regions_block").show();
   $.post('other/load.php?mod=showhideblock&submod=show&type=main_regions_block');
}
function main_regions_block_hide() {
   $("#main_regions_block").hide();
   $("#main_regions_none").show();
   $.post('other/load.php?mod=showhideblock&submod=hide&type=main_regions_block');
}

function main_seo_block_show() {
   $("#main_seo_none").hide();
   $("#main_seo_block").show();
   $.post('other/load.php?mod=showhideblock&submod=show&type=main_seo_block');
}
function main_seo_block_hide() {
   $("#main_seo_block").hide();
   $("#main_seo_none").show();
   $.post('other/load.php?mod=showhideblock&submod=hide&type=main_seo_block');
}