function Permut(a,b){if(document.images){if(document.images[b].permloaded){if(a==1){document.images[b].src=document.images[b].perm.src}else{document.images[b].src=document.images[b].perm.oldsrc}}}}function preloadPermut(a,b){if(document.images){a.onload=null;a.perm=new Image();a.perm.oldsrc=a.src;a.perm.src=b;a.permloaded=true}};