var intCurrent=0,ssTimerID=null;
function play(){window.clearTimeout(ssTimerID);if(intCurrent>intMax){intCurrent=0;};assignPhoto(intCurrent);intCurrent++;ssTimerID=setTimeout('play()',speed);}
function pause(){window.clearTimeout(ssTimerID);}
function prev(){if(--intCurrent<0){intCurrent=intMax;};assignPhoto(intCurrent);}
function next(){if(++intCurrent>intMax){intCurrent=0;};assignPhoto(intCurrent);}
function assignPhoto(i){d.getElementById('slide').src=photos[i].src;d.getElementById('ssDescription').innerHTML=descs[i];}