var n=1;

function loadnext() { 
	n = n+1;
	if (n==2) n=3;
	if (n==17) n=18;
	if (n==22) n=23;
	if (n==26) n=1;
	document.getElementById('no').innerHTML = ""+n+"";
	window.document.images[0].src = "pics/"+n+".jpg";
}

function loadprev() { 
	n = n-1;
	if (n<=0) n=25;
	if (n==2) n=1;
	if (n==17) n=16;
	if (n==22) n=21;
	document.getElementById('no').innerHTML = ""+n+"";
	window.document.images[0].src = "pics/"+n+".jpg";
}