function shock(page)
{
sw=screen.width;
sh=screen.height;

Lloc=(sw/2)-(640/2);
Tloc=(sh/2)-(480/2);
window.open("shockwave/shock"+page+".htm","shock","Shockwave=0,width=700,height=520,top="+Tloc+",left="+Lloc+",menubar=0,resizable=0");
}