var body_focus;
var exit = true;

window.onblur = function() { if(window.event.clientY < 0) { body_focus = false; } }
window.onfocus = function() { body_focus = true; }
window.onunload = function() { comebackPopUp(); }
window.onload = function() { window.focus(); }

function comebackPopUp() {
  if(((exit) && (body_focus == false)) || (self.screenTop > 9000)) {
    var url = "http://www.usaflorist.com/exit_popup.htm?p="
     + escape(window.location.pathname + window.location.search);
    var width = 440;
    var height = 250;
    var winleft = (screen.width - width) / 2;
    var wintop = (screen.height - height) / 2;
    var winprops = 'height='+height+',width='+width+',top='+wintop+',left='+winleft+',scrollbars=no';
    var win = window.open(url, 'win', winprops);
  }
}