//checking browser types
var _ns4 = (document.layers) ? true : false;
var _ie4 = (document.all) ? true : false;
var isNS6 = (!document.all && document.getElementById) ? true : false;
var agt = navigator.userAgent.toLowerCase();
var _sun = (agt.indexOf("sunos") !=-1);

var dirname = '';

if (window.curlevel) { 
	if (curlevel == 0){dirname = '';}
	else if (curlevel == 1){dirname = '../';}
	else if (curlevel == 2){dirname = '../../';}
	else if (curlevel == 3){dirname = '../../../';}
	else { dirname = ''; }
}
else {
	dirname='';
}