function arrow(o,s) {if(s=="prev"){swap(o,pprev);pprev==1?pprev=pcount:pprev=pprev-1;pnext==1?pnext=pcount:pnext=pnext-1;}else{swap(o,pnext);pprev==pcount?pprev=1:pprev=pprev+1;pnext==pcount?pnext=1:pnext=pnext+1;}o.blur();return false;}
function swap(o,n) {d=document;if(d.getElementById){for(c=1;c<=pcount;c++)d.getElementById("thumb"+c).className="";d.getElementById("thumb"+n).className="lit";d.getElementById("pimg").src=ppath+"photo-gallery-"+n+".jpg";o.blur();return false;}}