function closed(o) {
    document.getElementById(o).style.display = "none";
}
function open(o) {
    document.getElementById(o).style.display = "block";
}
var map = null;
var geocoder = null;

function initialize() {
    if (GBrowserIsCompatible()) {
        map = new GMap2(document.getElementById("_canvas"));
        map.setCenter(new GLatLng(37.4419, -122.1419), 1);
        map.setUIToDefault();
        geocoder = new GClientGeocoder();
    }
    jQuery("#Sysd3").css({ display: "none" });
}
function o(i)
{
    return document.getElementById(i);
}
function showAddress(address, obj) {

    if (o("Sysd3").style.display == "none") {
        closed("Sysd3");
        var b = jQuery(obj).parents("li").attr("id");

        var pos = getElementPos(b);

        jQuery("#Sysd3").css({ display: "block", right: pos.x, top: pos.y - 10 });
    }
    else {
        closed("Sysd3");
        var b = jQuery(obj).parents("li").attr("id");

        var pos = getElementPos(b);
        jQuery("#Sysd3").css({ display: "block", right: pos.x, top: pos.y - 10 });
    }

    if (geocoder) {
        geocoder.getLatLng(
          address,
          function(point) {
              if (!point) {
                  alert(address + " 无法定位");
              } else {
                  map.setCenter(point, 15);
                  var marker = new GMarker(point, { draggable: true });
                  map.addOverlay(marker);

              }
          }
        );
    }
}

//对象绝对定位
function getElementPos(elementId) {
    var ua = navigator.userAgent.toLowerCase();
    var isOpera = (ua.indexOf('opera') != -1);
    var isIE = (ua.indexOf('msie') != -1 && !isOpera); // not opera spoof
    var el = document.getElementById(elementId);
    
    if (el.parentNode == null || el.style.display == 'none') {
        return false;
    }
    var parent = null;
    var pos = [];
    var box;
    if (el.getBoundingClientRect)    //IE
    {
        box = el.getBoundingClientRect();
        var scrollTop = Math.max(document.documentElement.scrollTop, document.body.scrollTop);
        var scrollLeft = Math.max(document.documentElement.scrollLeft, document.body.scrollLeft);
        return { x: box.left + scrollLeft, y: box.top + scrollTop };
    } else if (document.getBoxObjectFor)    // gecko    
    {
        box = document.getBoxObjectFor(el);
        var borderLeft = (el.style.borderLeftWidth) ? parseInt(el.style.borderLeftWidth) : 0;
        var borderTop = (el.style.borderTopWidth) ? parseInt(el.style.borderTopWidth) : 0;
        pos = [box.x - borderLeft, box.y - borderTop];
    } else    // safari & opera    
    {
        pos = [el.offsetLeft, el.offsetTop];
        parent = el.offsetParent;
        if (parent != el) {
            while (parent) {
                pos[0] += parent.offsetLeft;
                pos[1] += parent.offsetTop;
                parent = parent.offsetParent;
            }
        }
        if (ua.indexOf('opera') != -1 || (ua.indexOf('safari') != -1 && el.style.position == 'absolute')) {
            pos[0] -= document.body.offsetLeft;
            pos[1] -= document.body.offsetTop;
        }
    }
    if (el.parentNode) {
        parent = el.parentNode;
    } else {
        parent = null;
    }
    while (parent && parent.tagName != 'BODY' && parent.tagName != 'HTML') { // account for any scrolled ancestors
        pos[0] -= parent.scrollLeft;
        pos[1] -= parent.scrollTop;
        if (parent.parentNode) {
            parent = parent.parentNode;
        } else {
            parent = null;
        }
    }
    return { x: pos[0], y: pos[1] };
}