document.getElementById('pokupkiHideEmptyCells').onclick = function () {
    var strArray = [],
        styleTag = document.getElementById('pokupkiStyle'),
        newWrapperWidth = 0,
        headerWidth = 0,
        widthArray = [];

    //Проверка дали вече не са скрити колоните
    if (this.innerHTML == 'Покажи празните колони') {
        styleTag.innerHTML = '';
        this.innerHTML = 'Скрии празните колони'
        return;
    }

    this.innerHTML = 'Покажи празните колони';
    //Проверка за празни колони и оразмеряване на tableHeader
    for (var i = 0; i < table.children[0].children.length; i++) {
        if (purchFooter[i] == '0.00') {
            styleTag.innerHTML += '#main-wrapper .c' + (i + 10) + '{ width:0px; display:none; }';
        }
        widthArray.push(table.children[0].children[i].offsetWidth);
        headerWidth += widthArray[i];
        newWrapperWidth += widthArray[i];
        if (i == 5) {
            strArray.push('#main-wrapper #tableHeader > .table-row > .table-cell:first-child, body #main-wrapper #nameHeader .table-cell:first-child,' +
                                               'body #main-wrapper #footer > .table-row > .table-cell:first-child { width:' + (headerWidth) + 'px}');
            headerWidth = 0;
        }
        if (i == 12) {
            styleTag.innerHTML += '#main-wrapper #tableHeader > .table-row > .table-cell:nth-child(2), #main-wrapper #nameHeader .table-cell:nth-child(2) { width:' + (headerWidth) + 'px}';
            headerWidth = 0;
        }
        if (i == 14) {
            styleTag.innerHTML += '#main-wrapper #tableHeader > .table-row > .table-cell:nth-child(3), body #main-wrapper #nameHeader .table-cell:nth-child(3) { width:' + (headerWidth) + 'px}';
        }

    }
    //оразмеряване на таблицата
    strArray.push('#main-wrapper ,#main-wrapper > .table-row { width:' + (newWrapperWidth + 1) + 'px; }');
    for (var z = 0; z < widthArray.length; z++) {
        if (z > 5 && z < 13) {
            strArray.push('body #main-wrapper #tableHeader > .table-row > .table-cell .c' + (z + 1) +
                                              '{ width: ' + (widthArray[z] / tableHeader.children[0].children[1].offsetWidth * 100).toFixed(2) + '%}');
        }
        if (z > 13 && z < 16) {
            strArray.push('body #main-wrapper #tableHeader > .table-row > .table-cell .c' + (z + 1) +
                                  '{ width: ' + (widthArray[z] / tableHeader.children[0].children[2].offsetWidth * 100).toFixed(2) + '%}');
        }
        strArray.push('body #main-wrapper #table .c' + (z + 1) +
            ', body #main-wrapper #footer .c' + (z + 1) + ', body #main-wrapper #tableHeadersFooter .c' + (z + 1) +
            '{ width:' + (widthArray[z] / newWrapperWidth * 100).toFixed(2) + '%; }');
    }
    strArray.push('#main-wrapper #footer .c8c9 {width: ' + (table.children[0].children[7].offsetWidth * 2 + 1) + 'px}');
    strArray.push('#main-wrapper #footer > .table-row:nth-child(3) > .table-cell:nth-child(2) {width: ' + (tableHeader.children[0].children[1].offsetWidth + tableHeader.children[0].children[2].offsetWidth + 1) + 'px}');
    strArray.push('@media print { body #main-wrapper > * { font-size:11px; }}');
    styleTag.innerHTML += strArray.join('');
}