// JavaScript Document
//some functions use to change the font size of plan content

//2004-11-07 by wuChang

//

function getCookieVal (offset) 
{ 
	var endstr = document.cookie.indexOf (";", offset); 
	if (endstr == -1) 
		endstr = document.cookie.length; 
	return unescape(document.cookie.substring(offset, endstr)); 
} 

function GetCookie (name) 

{ 
	var arg = name + "="; 
	var alen = arg.length; 
	var clen = document.cookie.length; 
	var i = 0; 
	while (i < clen) 
	{ 
		var j = i + alen; 
		if (document.cookie.substring(i, j) == arg) 
			return getCookieVal (j); 
		i = document.cookie.indexOf(" ", i) + 1; 
		if (i == 0) break; 
	} 
	return null; 
} 
function SetCookie (name, value) 
{ 
	var argv = SetCookie.arguments; 
	var argc = SetCookie.arguments.length; 
	var expires = (argc > 2) ? argv[2] : null; 
	var path = (argc > 3) ? argv[3] : null; 
	var domain = (argc > 4) ? argv[4] : null; 
	var secure = (argc > 5) ? argv[5] : false; 
	document.cookie = name + "=" + escape (value) + 
		((expires == null) ? "" : ("; expires=" + expires.toGMTString())) + 
		((path == null) ? "" : ("; path=" + path)) + 
		((domain == null) ? "" : ("; domain=" + domain)) + 
		((secure == true) ? "; secure" : ""); 
} 

function SavePlanContentFontSize(ElementId,size){
	var expdate = new Date(); 
	expdate.setTime (expdate.getTime() + 1 * (24 * 60 * 60 * 1000 * 30)); //+1 month
	SetCookie('PlanDispFontSize', size.toString(),expdate,'/' )

	LoadPlanContentFontSize( ElementId )
}
function LoadPlanContentFontSize( ElementId)
{
	var fs =GetCookie('PlanDispFontSize')
	if( fs != null )
	{
		for(var i=0; i<document.getElementsByName( ElementId.toString() ).length; i ++ )
		{
			document.getElementsByName( ElementId.toString() )[i].style.fontSize = fs.toString()+'px'
		}
	}
}


function setFontSizeLarge( ElementId )
{
	SavePlanContentFontSize( ElementId, 16 )
}
function setFontSizeMedium( ElementId )
{
	SavePlanContentFontSize( ElementId, 14 )
}
function setFontSizeSmall( ElementId )
{
	SavePlanContentFontSize( ElementId, 13 )
}