/**
 * Tools for Street Atlas Lookups
 *
 */

var mapDiv;
var debug = false;

function showGrid(map) {
    var gridId = map + 'Grid';

    if (debug) {
        alert(gridId);
    }
    // Hidde all 
    mapDiv = document.getElementById('allGrid');
    mapDiv.style.display = 'none';
    mapDiv = document.getElementById('westernGrid');
    mapDiv.style.display = 'none';
    mapDiv = document.getElementById('centralGrid');
    mapDiv.style.display = 'none';
    mapDiv = document.getElementById('easternGrid');
    mapDiv.style.display = 'none';
    // Unhide the one we want
    mapDiv = document.getElementById(gridId);
    mapDiv.style.display = 'block';

    if (gridId == 'allGrid') {
        mapDiv = document.getElementById('upNavOn');
        mapDiv.style.display = 'none';
        mapDiv = document.getElementById('upNavOff');
        mapDiv.style.display = 'block';
    }  else {
        mapDiv = document.getElementById('upNavOff');
        mapDiv.style.display = 'none';
        mapDiv = document.getElementById('upNavOn');
        mapDiv.style.display = 'block';
    }
}