function popupbeko()
{
var left = (screen.width - 600)/2;
left = left<0?0:left;
var top  = (screen.height - 500)/2;
top = top<0?0:top;
window17904 = window.open("pcs/reklam2007/beko/beko/beko.htm","window17904"
,"location=0,scrollbars=0,menubar=0,toolbar=0,status=0,resizable=0,directories=0,left="+left+",top="+top+",width=600,height=500");
window17904.moveTo(left,top);
}