function getCookie(name){
	var search = name + '=';
	if (document.cookie.length > 0) {
		offset = document.cookie.indexOf(search);
		if (offset != -1){
			offset += search.length;
			end     = document.cookie.indexOf(';',offset);
			if(end == -1) end = document.cookie.length;
			return window['decodeURI'] != null ? decodeURI(document.cookie.substring(offset,end)) : document.cookie.substring(offset,end);
		}
	}
	return null;
}
function setCookie($key, $val){
	if(window['encodeURI'] != null) $val = encodeURI($val);
	var $d = new Date();
	$d.setTime($d.getTime() + 3 * 30 * 24 * 60 * 60 * 1000);
	$expire = $d.toGMTString();
	document.cookie = $key + '=' + $val + ';expires=' + $expire + ';';
}

var $imgtype = getCookie('imgtype');
var $imgsuf = $imgtype ? '_' + $imgtype : '';
var $absp = location.pathname.charAt(1) == '~' ? '/~tour234/' : '/';
var $imgp = $absp + 'img/';
/*
function headerChange(){
	var $hm = document.getElementById('headerimg');
	if($hm){
	 	var $imgp = location.pathname.charAt(1) == '~' ? '/~tour234/img/' : '/img/';
		$imgp += 'topHeader' + $imgtype + '.gif';
		$hm.src = $imgp;
	}
}

var $sheets = document.styleSheets;
 if($sheets){
 	var $sheet = $sheets[$sheets.length-1];
 	var $imgp = location.pathname.charAt(1) == '~' ? '/~tour234/img/' : '/img/';
	$imgp += 'topHeader' + $imgtype + '.gif';
	if(document.all){
		$sheet.addRule('#header', 'background-image: url(' + $imgp + ')');
	 }else{
		$sheet.insertRule('#header{background-image: url(' + $imgp + ');}', $sheet.cssRules.length);
	}
 }
 */