function energie(p,n,w,h,sc) { var l = (screen.width) ? (screen.width-w) / 2 : 0; var t = (screen.height) ? (screen.height-h) / 2 : 0; var s='height='+h+',width='+w+',top='+t+',left='+l+',scrollbars='+sc+',resizable=0'; window.open(p,n,s); }