var	slide_com = false;
var d = new Date();
var start_time = d.getTime();

function record_time(time) {
  var str = document.referrer;
  var p = str.indexOf("eilati");
  if (p > 0) str = document.title;
 
  php_f = "php/record.php?msec=" + time + "&ref=" + str;
  xmlhttp = window.XMLHttpRequest?new XMLHttpRequest(): new ActiveXObject("Microsoft.XMLHTTP");
  xmlhttp.open("GET", php_f, true);
  xmlhttp.send(null);
}

function rec_exit (){
  var e = new Date();
  if (slide_com) {
    slide_com = false;
  } else {
	record_time(e.getTime() - start_time);	
  } 
}
window.onbeforeunload=rec_exit;