function googlehide(obj)
{
	var wel = document.getElementById(obj);
	if(wel.style.visibility != "visible")
	{
		wel.style.visibility = "visible";
	} else {
		wel.style.visibility = "hidden";
	}
}

function googleblock(obj,modis)
{
	var wel = document.getElementById(obj);
	if (modis=='gantian')
	{
	 		if(wel.style.display != "none")
			{
				wel.style.display = "none";
				document.cookie=obj+"=none";
	 		} else {
 				wel.style.display = "block";
				document.cookie=obj+"=block";
   		}
	} else {
		switch(modis)
		{
			case "none":
				wel.style.display = "none";
			case "block":
				wel.style.display = "block";
			case "getcookie":
 				wel.style.display = GetCookie(obj);
		}
  }
}

function SwitchAllSub(obj)
{
	if (document.getElementById) 
	{
		var el = document.getElementById(obj);
		var ar = document.getElementById("masterdiv").getElementsByTagName("span");
    if (el.style.display != "block")
		{
			for (var i=0; i<ar.length; i++)
			{
    		if (ar[i].className=="lBarSpan")
    			ar[i].style.display = "none";
    	}
    	el.style.display = "block";
    } else {
			el.style.display = "none";
		}
	}
}

function openIFrame(iFrameId,winURL)
{
	ifId=gmobj(iFrameId);
	ifId.src=winURL;
}

function GetCookie(cookieName)
	{
	var cookieString = document.cookie, start, end
	if ((start = cookieString.indexOf(cookieName + '=', 0)) != -1)
		{
		start += cookieName.length + 1
		end = cookieString.indexOf(';', start)
		if (end == -1) end = cookieString.length
		return unescape(cookieString.substring(start, end))
		}
	return null
	}

function Expires(days)
	{
	var expiry = new Date()
	expiry.setTime(expiry.getTime() + (days * 24 * 60 * 60 * 1000))
	return expiry
	}

function SetCookie(cookieName, cookieValue)
	{
	var cookieArgs = SetCookie.arguments
	var expiry = (cookieArgs[2]) ? '; expires=' + cookieArgs[2].toUTCString() : ""
	var path  = (cookieArgs[3]) ? '; path=' + cookieArgs[3] : ""
	var domain = (cookieArgs[4]) ? '; domain=' + cookieArgs[4] : ""
	var secure = (cookieArgs[5]) ? '; secure' : ""

	document.cookie = cookieName + '=' + escape(cookieValue) + 
		expiry + path + domain + secure
	}

function DeleteCookie(cookieName)
	{
	var expiry = new Date()
	expiry.setTime(expiry.getTime() - 1)
	document.cookie = cookieName + '=gone; expires=' + expiry.toUTCString()
	}