var newwin = null;
function doPopup() {
newwin = window.open('', 'paywin', 'scrollbars,status,width=750,height=500');
newwin.focus();
return true;
}

function popUp(URL) {
day = new Date();
id = day.getTime();
eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,width=700,height=610');");
}

function popReceipt(URL) {
day = new Date();
id = day.getTime();
eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=0,width=800,height=600');");
}