var region = getCookie('region');

function setCookie (name, value, expires, path, domain, secure) {
      document.cookie = name + "=" + escape(value) +
        ((expires) ? "; expires=" + expires : "") +
        ((path) ? "; path=" + path : "") +
        ((domain) ? "; domain=" + domain : "") +
        ((secure) ? "; secure" : "");
}

function getCookie(name) {
	var cookie = " " + document.cookie;
	var search = " " + name + "=";
	var setStr = null;
	var offset = 0;



	var end = 0;
	if (cookie.length > 0) {
		offset = cookie.indexOf(search);
		if (offset != -1) {
			offset += search.length;
			end = cookie.indexOf(";", offset)
			if (end == -1) {
				end = cookie.length;
			}
			setStr = unescape(cookie.substring(offset, end));
		}
	}
	return(setStr);
}

function selectRegion() {
    if (region) {
        var regionSelect = document.getElementById('region');
   
        for (i=0; i < regionSelect.options.length; i++) {
            if (regionSelect.options[i].value == region) {
                 regionSelect.options[i].selected = true;
            } else {
                 regionSelect.options[i].selected = false;
            }
        }
    } 
}

function changeRegion(regionSelect) {
     var expiry = new Date();
     expiry.setTime(expiry.getTime() + 365*24*60*60*1000);

    setCookie('region', regionSelect.value, expiry.toGMTString(),'/');
    document.location = '/';
}