Dual Page pada Browser

Caranya
1.kopi kode ini ke adress bar browser :

javascript:A14nH=location.href;L3f7=prompt('Choose%20File%201',A14nH);R1Gh7=prompt('Choose%20File%202',L3f7);if(L3f7&&R1Gh7){Fr4Q='<frameset%20cols=\'*,*\'>\n<frame%20src=\''+L3f7+'\'/>';Fr4Q+='<frame%20src=\''+R1Gh7+'\'/>\n';Fr4Q+='</frameset>';with(document){write(Fr4Q);void(close())}}else{void(null)

2. Enter
3. masukan link apa aja : harus ada tanda "http://"
1. (http://google.com)
2. (http://indowebster.web.id)