var newheight=470;
var newwidth=709;
var leftx=(screen.width-newwidth)/2;
var topy=(screen.height- newheight)/2;

function popup_ar(name) {
   kisablak=window.open('popup.php?picname='+name+'2','ad_window','width='+newwidth+',height='+newheight+',left='+leftx+',top='+topy+',scrollbars=no');
}

function popup_ref(name) {
   kisablak2=window.open('popup.php?picname='+name,'ref_window','width=600,height=600,left='+leftx+',top='+topy+',scrollbars=no');
}

function clear() {
    document.artcore.SetVariable("_root.clear", true);
    document.artcore.GotoFrame(2);
}