function lyricsPop(url) {
  window.open('lyrics/' + url,'Lyrics','width=400,height=500,location=no,menubar=no,scrollbars=yes,resizable=yes');
}

function viewImage(imageNumber) {
  window.open('image_pop.html?in=' + imageNumber,'Image','height=520,width=510,locationbar=no');
}
  
var num_images_total = 8; 
var random_pic;
var pic_filename;

random_pic = Math.floor( Math.random() * num_images_total) +1;
pic_filename = "images/rndm/" + random_pic + ".gif";