How to do Amazing Internet tricks

About this video:
two really funky and neat internet tricks you can do. This trick can be done in both PC's and MAC's.CODE FOR TRICK#1javascript:R=0; x1=.1; y1=.05; x2=.25; y2=.24; x3=1.6; y3=.24; x4=300; y4=200; x5=300; y5=200; DI=document.images; DIL=DI.length; function A(){for(i=0; i-DIL; i++){DIS=DI[ i ].style; DIS.position='absolute'; DIS.left=Math.sin(R*x1+i*x2+x3)*x4+x5; DIS.top=Math.cos(R*y1+i*y2+y3)*y4+y5}R++ }setInterval('A()',5); void(0);*FOR SOME STRANGE REASON, YOUTUBE IS NOT LETTING ME POST THE SECOND CODE, SO JUST ASK FOR IT IN THE COMMENTS SECTION* sorry.