function getCookie(name){
	var result = null;
	var mycookie = " "+document.cookie+";";
	var searchname = " "+name+"=";
	var startCookie = mycookie.indexOf(searchname);
	var endCookie;
	if(startCookie!=-1){
		startCookie+=searchname.length;	
		endCookie = mycookie.indexOf(";",startCookie);
		result = unescape(mycookie.substring(startCookie,endCookie));
	}
	return result;
}
function setCookie(name,value){	
	var argv = setCookie.arguments;
	var argl = setCookie.arguments.length;
	var expires = null;
	if(argl>2){
		expires = argv[2];
	}
	document.cookie = name+"="+escape(value)+(expires==null?"":"; expires="+expires.toGMTString());
}