pOn=new Array(); pOn[1]=new Image(); pOn[1].src="i/pic1.jpg";
pOff=new Array(); pOff[1]=new Image(); pOff[1].src="i/pic11.jpg";
function chPic(n,s) { iPic=document.images["pic"+n]; (s==1)?iPic.src=pOn[n].src:iPic.src=pOff[n].src; }