//设置COOKIE

function setCookie(name,value,expires,path,domain,secure){
	var expDays = expires*24*60*60*1000;
	var expDate = new Date();
	expDate.setTime(expDate.getTime()+expDays);
	var expString = ((expires==null) ? "" : (";expires="+expDate.toGMTString()));
	var pathString = ((path==null) ? "" : (";path="+path));
	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;
}

//get cookie
function getCookies() {		
	var mycookie = document.cookie.split("; ");

	for(var i=0; i<mycookie.length; i++){
		var _cookie = mycookie[i].split("=");
		//document.write(unescape(_cookie[1]) + " ");
		if(document.getElementById(_cookie[1]) != null){
			document.getElementById(_cookie[1]).style.display = "";
		}
	}

	return null;
}


//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();
}