function openCENTER() {
var w;
w = window.open('onlineshop.html','chip',
'resizable=yes,scrollbars=yes,toolbar=yes,menubar=yes,status=yes,location=no,width=700,height=600');//
w.window.focus();
wx = 700;
wy = 600;
x = (screen.width - wx ) / 2;
y = (screen.height -wy ) / 2;
w.window.moveTo(x,y);
}