$(document).ready(function(){
    $('.index-news li:first').addClass('first');
    $('.index-news li:last').addClass('last');
    $('.index-blocks-container .index-block:nth-child(3n-2)').css('margin','0px 8px 15px 6px');
    $('.index-blocks-container .index-block:nth-child(3n)').css('margin','0px 6px 15px 8px');
    $('.content table.cool tr:odd').addClass('odd');
    $('.content table.cool tr:even').addClass('even');
    $('.content table.cool tr').hover(
        function(){
            $(this).addClass('hover');
        },
        function(){
            $(this).removeClass('hover');
        }
    );
})