function is_sWin() {
		var ua = navigator.userAgent;
		if (!!window.subWin) {
if ( ua.indexOf('MSIE 4') != -1 && ua.indexOf('Win') != -1) {
return !subWin.closed;
} else {
return typeof subWin.document  == 'object';
}
		} else {
return false;
		}
	}

	function call(f){
		if ( is_sWin()){
subWin.location.href = f;
		} else {
subWin = window.open(f,"map","width=420,height=515,resizable=yes,scrollbars=yes");
		}
		subWin.focus();
	}