function popUp(URL) {window.open(URL, '_blank', 'toolbar=0,scrollbars=1,location=0,statusbar=1,menubar=0,resizable=1,width=800,height=600');} 
u = "http://www.bubblebox.com/"; var c1 = new Image();c1.src = u;
u = "http://www.onlinegamesflash.com/"; var c2 = new Image();c2.src = u;
u = "http://www.toparcadesite.com/"; var c3 = new Image();c3.src = u;
u = "http://www.arcadetopsite.com/"; var c4 = new Image();c4.src = u;