if(typeof(otworz_url) == 'undefined')
{
	document.write('<script type="text/javascript" src="./javascript/otworz_url.js"></scr'+'ipt>');//importowanie funkcji
}
var is_ie = false;
var is_ie6 = false;
var is_ie7 = false;

function session_checker ()
{
	otworz_url('./?t=271', 'session_checker_test');
}
function session_checker_test (http)
{
	//pobieramy teraz element DOM
	switch(http.readyState)
	{
		case 4:
			if(http.responseText == 'true')
			{
				setTimeout("session_checker()",1200000);
			}
		break;
		default:
	}
}
setTimeout("session_checker()",1200000);
//setTimeout("session_checker()",1200);