var Page_Enter;
var TimeLimit=3;
var Page_ShowPopOnExit=true;
var MySiteDomain=window.location.hostname;

function XBrowserAddHandlerPops(target,eventName,handlerName) {
  if ( target.addEventListener ) {
    target.addEventListener(eventName, function(e){target[handlerName](e);}, false);
  } else if ( target.attachEvent ) {
    target.attachEvent("on" + eventName, function(e){target[handlerName](e);});
  } else {
    var originalHandler = target["on" + eventName];
    if ( originalHandler ) {
      target["on" + eventName] = function(e){originalHandler(e);target[handlerName](e);};
    } else {
      target["on" + eventName] = target[handlerName];
    }
  }
}

function InternalLink() {
	Page_ShowPopOnExit = false;
}

function get_cookie ( cookie_name )
{
  var results = document.cookie.match ( '(^|;) ?' + cookie_name + '=([^;]*)(;|$)' );

  if ( results )
    return ( unescape ( results[2] ) );
  else
    return null;
}

function PageEnter() {
   Page_Enter=new Date();
}

function SiteExit() {
   var time_dif;
   var Page_Exit=new Date();
   time_dif=(Page_Exit.getTime()-Page_Enter.getTime())/1000;
   time_dif=Math.round(time_dif);
   if (time_dif>=TimeLimit && Page_ShowPopOnExit==true)
	{
		myCalcRe = /calculator/;
		myContactRe = /contactus/;
		if(!myContactRe.exec(document.location.href) && !myCalcRe.exec(document.location.href) && (!get_cookie('estEX01') || get_cookie('estEX01') == '')) {
			window.open('/estfeedbacks/ex01?refURL='+refURL, 'est_popup', 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=no,width=600,height=700');
		}
	}
}

function LinkConvert()
{
var href;
	var anchors = document.getElementsByTagName('a');

	for(var y=0; y<anchors.length; y++)
	{
		href = anchors[y].href.toLowerCase();
		if (!(href.indexOf("http://")!=-1 && href.indexOf(MySiteDomain)==-1))
			{
			anchors[y].clickhandler=InternalLink
			XBrowserAddHandlerPops(anchors[y],"click","clickhandler");
			}
	}

	var inputs = document.getElementsByTagName('input');

        for(var y=0; y<inputs.length; y++)
        {
               inputs[y].clickhandler=InternalLink
               XBrowserAddHandlerPops(inputs[y],"click","clickhandler");
        }
}

XBrowserAddHandlerPops(window,"load","PageEnter");
XBrowserAddHandlerPops(window,"load","LinkConvert");
XBrowserAddHandlerPops(window,"unload","SiteExit");