function swapInfo(imgsrc, txt){

     var hasInnerText = (document.getElementsByTagName("body")[0].innerText != undefined) ? true : false;
     document.getElementById('galleryImg').src = 'images/' + imgsrc ;

     if(!hasInnerText){
        document.getElementById('galleryTitle').textContent = txt;
     } else{
        document.getElementById('galleryTitle').innerText = txt;
     }

 }