var downloadSuggestionIsVisible = false;
var tipsShow = true;

function show(idShow) {
    if (idShow != null && idShow != '') {
        document.getElementById(idShow).style.display = 'block';
    }
}
function hide(idHide) {
    if (idHide != null && idHide != '') {
        document.getElementById(idHide).style.display = 'none';
    }
}

function showDownloadLayer() {
    if (!downloadSuggestionIsVisible) {
        show('downloadSuggestion');
        downloadSuggestionIsVisible = true;
    }
}

function hideDownloadLayer() {
    if (downloadSuggestionIsVisible) {
        hide('downloadSuggestion');
        downloadSuggestionIsVisible = false;
    }
}

function showOrHideTips() {
    if (tipsShow) {
        hide('tipDetails');
        hide('tipDetailsBut')
        tipsShow = false;
    } else {
        show('tipDetails');
        show('tipDetailsBut')
        tipsShow = true;
    }
}