function setCookie(name, value) {
	var scdz = new Date();
	scdz.setTime(scdz.getTime() + (365*24*60*60*1000));
	document.cookie = name + '=' + escape(value) + '; path=/; expires=' + scdz.toGMTString();
} 

function getCookie(name) {
	var dc = document.cookie;
	var prefix = name + '=';
	var begin = dc.indexOf('; ' + prefix);
	
	if (begin == -1) {
		begin = dc.indexOf(prefix);
		if (begin != 0) return '';
	} else
		begin += 2;
		
	var end = document.cookie.indexOf(';', begin);
	if (end == -1)
		end = dc.length;
	return unescape(dc.substring(begin + prefix.length, end));
}

function delCookie(name) {
	var expireNow = new Date();
	document.cookie = name + "=" + "; expires=Wed, 03-Jan-90 00:00:01 GMT" +  "; path=/";
}

function getCheck(name) {
	if (name.length)
		for (i = 0; i < name.length; i++)
			if (name[i].checked)
				return name[i].value;
}

function setCheck(name, value) {
	if (name.length)
		for (i = 0; i < name.length; i++)
			if (name[i].value == value) {
				name[i].checked = true;
				return name[i].value;
			}
}

function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return '';
}

function eraseCookie(name) {
	createCookie(name,"",-1);
}