//-- 首页 --
//-- C/U-Date: 2011-04-16 --

var intLastId = 0;

var expires = new Date();
expires.setTime(expires.getTime() + (365 * 24 * 60 * 60 * 1000));

function doClick(intType,se,isCookie) {
	var i = se, targetElement;

	if (intLastId>0&&intLastId != i) {
		document.getElementById('menu' + intLastId).src = 'images/plus.gif';
		document.getElementById('subject' + intLastId + '_message').style.display = 'none';
	}
	intLastId = i;

	if(typeof(isCookie)=='undefined') isCookie = 1;
	if(isCookie==1) {
		Set_Cookie('ffs83_lastmenuid',intLastId.toString(),expires,null,"/");
	}

	targetElement = document.getElementById('subject' + i + '_message');
	if (targetElement.style.display == "none") {
		document.getElementById('menu' + i.toString()).src = "images/minus.gif";
		targetElement.style.display = "";
	}
	else {
		document.getElementById('menu' + i.toString()).src = "images/plus.gif";
		targetElement.style.display = "none";
	}
}

function initMenus() {
	var lastMenu = getCookie('ffs83_lastmenuid')

	if (lastMenu!='') {
		document.getElementById('menu' + lastMenu).src = 'images/minus.gif';
		document.getElementById('subject' + lastMenu + '_message').style.display = '';

		intLastId = parseInt(lastMenu);
	}
}

function getCookie(name)
{
	var cookieFound = false;
	var start = 0;
	var end = 0;
	var cookieString = document.cookie;
	var cookieValue;
	var i = 0;

	//scan the Cookie for the name
	while (i <= cookieString.length){
		start = i;
		end = start + name.length;
		if(cookieString.substring(start, end) == name){
			cookieFound = true;
			break;
		}
		i++;
	}

	//is name found/
	if(cookieFound){
		start = end+1;
		end = document.cookie.indexOf(";",start);
		if(end < start)
			end = document.cookie.length;
		cookieValue = document.cookie.substring(start, end);
		start = 0;
		end = cookieValue.indexOf(" ", start);
		if(end < start)
			end = cookieValue.length;
		return cookieValue.substring(start, end);
	}
	return "";
}

function deleteCookie(name, path, domain){
	if(getCookie(name)){
		document.cookie = name+ "=" +
			((path) ? "; path=" + path : "") +
			((domain) ? "; domain=" + domain: "") +
			"; expires=Thu, 01-Jan-70 00:00:01 GMT";
	}
}

// for Classics
function Set_Cookie(name,value,expires,domain,path,secure) {
    document.cookie = name + "=" +escape(value) +
        ( (expires) ? ";expires=" + expires.toGMTString() : "") +
        ( (path) ? ";path=" + path : "") +
        ( (domain) ? ";domain=" + domain : "") +
        ( (secure) ? ";secure" : "");
}

window.onload = initMenus;