//函数getmyCookies用于提取含有子键的cookies，getmyCookie提取普通的cookies, addCookie用于写入cookie
function getmyCookies(objName,objName2) {
	var arstr=document.cookie;
	if(arstr==null||arstr==""||arstr=="undefined"){
		return "";
	}else{
		var arrStr = arstr.split('; ');
		for (var i = 0; i < arrStr.length; i++) {
			var temp = arrStr[i].split('=');
			if (temp[0] == objName){
				var str="";
				
				for (var t=1; t<temp.length; t++){
					str=str+(temp[t]+"=");
				}
				
				var temp2=str.split('&');
				for (var t=1; t<temp2.length; t++){
					var temp3=temp2[t].split('=');
					if (temp3[0]==objName2){
						return unescape(temp3[1]);
					}
				}
			}
		}
	}
}
function getmyCookie(objn){
	var arstr=document.cookie;
	if(arstr==null||arstr==""||arstr=="undefined"){
		return "";
	}else{
		var arrStr = arstr.split('; ');
		for (var i = 0; i < arrStr.length; i++) {
			var temp = arrStr[i].split('=');
			if (temp[0] == objn){
				if(temp[1]=="undefined"){
					return "";
				}else{
					return unescape(temp[1]);
				}
			}
		}
		return "";
	}
}
function addCookie(objName, objValue, objday) {
	var str = objName + "=" + escape(objValue);
	var date = new Date();
	date.setTime(date.getTime() + objday * 24 * 3600 * 1000);
	str += "; expires=" + date.toGMTString();
	document.cookie = str;
}