var viewer4 = new PhotoViewer();
viewer4.enableAutoPlay();
viewer4.setOnClickEvent(viewer4.startSlideShow);
viewer4.setFontSize(16);
viewer4.disableEmailLink();
viewer4.enableToolbarAnimator();
viewer4.setShadeOpacity(0.9);
viewer4.enableLoop();

for (i = 1; i <21 ; i++) {
	viewer4.add('muramoto/'+i+'.jpg','','','ムラモトソトジ');
}