function EnableZoomTool()
{
    document.getElementById("MMpan").style.display = "block";
    document.getElementById("zoomTool").style.display = "block"; 
}
function DisableZoomTool()
{
    document.getElementById("zoomTool").style.display = "none";
}

function DisableZoom()
{
    document.getElementById("zoomTool").style.display = "none";
}