function changeImageGalleryPicture(id){
    getItem('img_gallery_large_image').src=getItem('img_gallery_image_'+id).value;
    getItem('img_gallery_large_title').innerHTML=getItem('img_gallery_title_'+id).value;
    getItem('img_gallery_large_description').innerHTML=getItem('img_gallery_description_'+id).value;
}

function getItem(id){
    var itm = false;
    if(document.getElementById)itm = document.getElementById(id);
    else if(document.all)itm = document.all[id];
    else if(document.layers)itm = document.layers[id];
    return itm;
}