// cookies management
// written by Enrico Sorcinelli - enrico@sorcinelli.it - Jun/2001
function setCookie(name, value, expires, path, domain, secure) {
	var curCookie = name + "=" + escape(value) 
		+ ((expires) ? "; expires=" + expires.toGMTString() : "") 
		+ ((path) ? "; path=" + path : "") 
		+ ((domain) ? "; domain=" + domain : "") 
		+ ((secure) ? "; secure" : "");
	document.cookie = curCookie;
}

function getCookie(name) {
	var prefix = name + "=";
	var cookieStartIndex = document.cookie.indexOf(prefix);
	if (cookieStartIndex == -1)
		return null;
	var cookieEndIndex = document.cookie.indexOf(";", cookieStartIndex + prefix.length);
	if (cookieEndIndex == -1)
		cookieEndIndex = document.cookie.length;
	return unescape(document.cookie.substring(cookieStartIndex + prefix.length,cookieEndIndex));
}

function deleteCookie(name, path, domain) {
	if (getCookie(name)) {
		document.cookie = name + "=" 
			+ ((path) ? "; path=" + path : "") 
			+ ((domain) ? "; domain=" + domain : "") 
			+ "; expires=Thu, 01-Jan-70 00:00:01 GMT";
      }
   }

function fixDate(date) {
	var base = new Date(0)
	var skew = base.getTime()
	if (skew > 0)
	date.setTime(date.getTime() - skew)
}