function toggleBackgroundColor(sender) {
    if (sender && sender.id) {
        if (sender.id == 'alphabethWebPartColumn') {
            $('#alphabethWebPartColumn').addClass('ZVS_highlightSelectedPanel');
            $('#searchWebPartColumn').removeClass('ZVS_highlightSelectedPanel');
            $('#topFiveWebPartColumn').removeClass('ZVS_highlightSelectedPanel');
        }
        else {
            $('#alphabethWebPartColumn').removeClass('ZVS_highlightSelectedPanel');
            $('#searchWebPartColumn').addClass('ZVS_highlightSelectedPanel');
            $('#topFiveWebPartColumn').addClass('ZVS_highlightSelectedPanel');
        }
    }
}

function navigateBack() {
    if ($.browser.msie && $.browser.version == '6.0') {
        history.back();
    }
    else {
        history.go(-1);
    }
}

function pageLoad(sender, args) {
    if (typeof initSearchControls != 'undefined')
        initSearchControls();

    if (typeof initCollectivityControl != 'undefined')
        initCollectivityControl();
}