var countdown;
var countdown_number;
var clearandreturnpage = 'https://payments.stc.com.au/clearandreturn.htm';

function countdown_init() {
    countdown_number = (30*60) +1; // 30 min x 60 seconds
	//countdown_trigger();
    countdown_trigger2();
}

function countdown_clear() {
    clearTimeout(countdown);
}

function countdown_extend() {
	clearTimeout(countdown);
    countdown_init();
}

function countdown_trigger2() {	
	var sSessionTimeoutPage = 'session_timeout.html';
	var sPath = window.location.pathname;
	var sPage = '' + sPath.substring(sPath.lastIndexOf('/') + 1);
	if (sPage.length>0) {		
		if (sSessionTimeoutPage.toLowerCase() == sPage.toLowerCase()) {
			countdown_clear();			
			//document.getElementById('ctl12_Label1').innerHTML = '';
			//document.getElementById('ctl12_logout1').style.display = 'none';
			return;
		} else { 
			//alert('not the same');
		}
	}
	if(countdown_number > 0) {		
		countdown_number--;
		//document.getElementById('countdown_text').innerHTML = countdown_number;
		if(countdown_number > 0) {
		    countdown = setTimeout('countdown_trigger2()', 1000);
		}
		else
		{
			session=Get_Cookie("session");
			if (session != "") {			
				logout(); //call logout function in iebms.js
				window.location = clearandreturnpage;
			}
		}				
	}
}

function countdown_trigger() {	
	var sSessionTimeoutPage = 'session_timeout.html';
	var sPath = window.location.pathname;
	var sPage = '' + sPath.substring(sPath.lastIndexOf('/') + 1);
	document.getElementById('countdown_text').innerHTML = '';
	if (sPage.length>0) {		
		if (sSessionTimeoutPage.toLowerCase() == sPage.toLowerCase()) {
			//alert('sss' + sPage);
			countdown_clear();			
			document.getElementById('ctl12_Label1').innerHTML = '';
			document.getElementById('ctl12_logout1').style.display = 'none';
			return;
		} else { 
			//alert('not the same');
		}
	}
    if(countdown_number > 0) {		
        countdown_number--;
        //document.getElementById('countdown_text').innerHTML = 'sPage=' + sPage + ' and ' + countdown_number;
		document.getElementById('countdown_text').innerHTML = countdown_number;
        if(countdown_number > 0) {
            countdown = setTimeout('countdown_trigger()', 1000);
        }
		else
		{			
			//document.getElementById('countdown_text').innerHTML = "test";
			session=Get_Cookie("session");
			//document.getElementById('countdown_text').innerHTML = "session=" + session;
			if (session != "") {
				eraseCookie('session');
				window.location = clearandreturnpage; 
				
			}
		}
    }
}

function Get_Cookie( check_name ) {
	// first we'll split this cookie up into name/value pairs
	// note: document.cookie only returns name=value, not the other components
	var a_all_cookies = document.cookie.split( ';' );
	var a_temp_cookie = '';
	var cookie_name = '';
	var cookie_value = '';
	var b_cookie_found = false; // set boolean t/f default f

	for ( i = 0; i < a_all_cookies.length; i++ )
	{
		// now we'll split apart each name=value pair
		a_temp_cookie = a_all_cookies[i].split( '=' );


		// and trim left/right whitespace while we're at it
		cookie_name = a_temp_cookie[0].replace(/^\s+|\s+$/g, '');

		// if the extracted name matches passed check_name
		if ( cookie_name == check_name )
		{
			b_cookie_found = true;
			// we need to handle case where cookie has no value but exists (no = sign, that is):
			if ( a_temp_cookie.length > 1 )
			{
				cookie_value = unescape( a_temp_cookie[1].replace(/^\s+|\s+$/g, '') );
			}
			// note that in cases where cookie is initialized but no value, null is returned
			return cookie_value;
			break;
		}
		a_temp_cookie = '';
		cookie_name = '';
	}
	if ( !b_cookie_found )
	{
		return '';
	}
}