/************************************************************
 *
 * Basic Image Gallery Handler
 * @verion. 1.0
 *
 *
 * @copyright "Burgas Therm" Ltd.
 * @contact support@burgastherm.com
 *
 ************************************************************/




/*
 *
 * Basic image gallery handler
 * @verion. 1.0
 *
 * @author Galin Bobev
 *
 **/

function BasicImageGalleryHandler(firstMainImgId)
{
    this.firstMainId = firstMainImgId;
    this.changeMainImg = changeMainImg;
}

function changeMainImg(mainImgId, newImgId)
{
    var mainImg = document.getElementById(mainImgId);
    var newImg = document.getElementById(newImgId);

    // set main image
    mainImg.setAttribute('src', newImg.getAttribute('src'));
    mainImg.setAttribute('alt', newImg.getAttribute('alt'));

    if(this.firstMainId != -1)
    {
        // ummark last main image
        var lastImgHr  = document.getElementById(this.firstMainId+'hr');
        lastImgHr.style.color = "#ffdbdb";
        lastImgHr.style.backgroundColor = "#ffdbdb";
    }

    // mark current main image
    var newImgHr  = document.getElementById(newImgId+'hr');
    newImgHr.style.color = "#c11005";
    newImgHr.style.backgroundColor = "#c11005";

    this.firstMainId = newImgId;
}