This function shows snowflake images alternately with a blank image. The blank image has the same color as the background on which the snowflakes are shown.
function slideShow2(){ var t=1200; count++; if(count%2>0) // if odd: show an image {document.images.slide2.src=im[j].src; t=3600; if (j<im.length-1) {j++} else {j=0}; } else // if even: show a blank {document.images.slide2.src='../snowflake/blue/midnite.gif' t=1200 } setTimeout('slideShow2()',t); }