//设置COOKIE
function setCookie(name,value,expires,path,domain,secure){
	//alert(value);
	var expDays = expires*24*60*60*1000;
	var expDate = new Date();
	expDate.setTime(expDate.getTime()+expDays);
	//alert("path="+path);
	var pathString = ((path==null) ? "/" : (";path="+path))
	var expString = ((expires==null)?"/":(";expires="+expDate.toGMTString()));
	var domainString = ((domain==null) ? "" : (";domain="+domain))
	var secureString = ((secure==true) ? ";secure": "" )
	document.cookie = name + "=" + escape(value) + expString + pathString + domainString + secureString;
} 

//获取指定名称的cookie值：
function getCookie(name){
	var result = null;
	var myCookie = document.cookie + ";";
	var searchName = name + "=";
	var startOfCookie = myCookie.indexOf(searchName);
	var endOfCookie;
	if (startOfCookie != -1){
		startOfCookie += searchName.length;
		endOfCookie = myCookie.indexOf(";",startOfCookie);
		result = unescape(myCookie.substring(startOfCookie, endOfCookie));
	}
	return result;
} 

//删除指定名称的cookie：
function clearCookie(name){
	var ThreeDays=3*24*60*60*1000;
	var expDate = new Date();
	expDate.setTime(expDate.getTime()-ThreeDays);
	document.cookie=name+"=;expires="+expDate.toGMTString();
}