/************************************************************
 *
 * Map Zoom Handler
 * @verion. 1.0
 *
 *
 * @copyright Burgas Therm Ltd.
 * @contact support@burgastherm.com
 *
 ************************************************************/

//
var imgBuffer;
var currentImg = 0;

function addMapImages(images)
{
    imgBuffer = images;
}

function zoomIn()
{
    var mapImg = document.getElementById('map_img');

    if(mapImg != null)
    {
        if(currentImg < (imgBuffer.length - 1))
        {
            currentImg++;
            mapImg.setAttribute('src', imgBuffer[currentImg]);
        }
    }
}


function zoomOut()
{
    var mapImg = document.getElementById('map_img');

    if(mapImg != null)
    {
        if(currentImg > 0)
        {
            currentImg--;
            mapImg.setAttribute('src', imgBuffer[currentImg]);
        }
    }
}