//SetUniformHeight('Category1,Category2,Category3,Category4,Category5,Category6');
window.onload = function() {
    if (gblnIE6 || gblnIE7) {
        if (document.getElementById('Category1') && document.getElementById('Category2')) {
            SetUniformHeight('Category1,Category2');
        }
        if (document.getElementById('Category3') && document.getElementById('Category4')) {
            SetUniformHeight('Category3,Category4');
        }
        if (document.getElementById('Category5') && document.getElementById('Category6')) {
            SetUniformHeight('Category5,Category6');
        }
    }
};