//-- 000webhost.com Analytics

  var data = '&r=' + escape(document.referrer)
	+ '&n=' + escape(navigator.userAgent)
	+ '&p=' + escape(navigator.userAgent)
	+ '&g=' + escape(document.location.href);

  if (navigator.userAgent.substring(0,1)>'3')
    data = data + '&sd=' + screen.colorDepth 
	+ '&sw=' + escape(screen.width+'x'+screen.height);

Column 'pay_date' cannot be null