function OpenGallery(siteAppID, galleryID, categoryID)
{
    var url = 'http://architect.wwwcomm.com/PhotosVer1/PhotoGallery.aspx?sai=' + siteAppID;
    
    if(galleryID != undefined)
        url += '&gid=' + galleryID;
        
    if(categoryID != undefined)
        url += '&cid=' + categoryID;
    
    window.open( url ,'','width=720,height=490');
}