// JavaScript Document
function setCookie(name,value,minutes) {
	if (minutes) {
		var date = new Date();
		date.setTime(date.getTime()+(minutes*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function eraseCookie(name) {
	setCookie(name,"",-1);
}

function set_font_size(size) {
	var body = document.getElementById("mainbody");
	body.style.fontSize = size + "pt";
	font_size = size;
	setCookie('ianmiller_font',font_size,30);
}

function increase_font_size() {
	if ( font_size < 14 ) {
		font_size = font_size + .5;
		set_font_size(font_size);
	}
}

function reduce_font_size() {
	if ( font_size > 6 ) {
		font_size = font_size - .5;
		set_font_size(font_size);
	}
}

function show_resize() {
	document.write('<div id="access" class="floatclear">');
	document.write('<a href="#" onclick="reduce_font_size();return false;" title="Reduce font size"><img src="' + templatebasedir + '/images/fontminus.gif" alt="Reduce font size" border="0" /></a>');
	document.write(' <a href="#" onclick="increase_font_size();return false;" title="Increase font size"><img src="' + templatebasedir + '/images/fontplus.gif" alt="Increase font size" border="0" /></a>');
	document.write('</div>');
}

var standard_font_size = 11;
var font_size = standard_font_size;

if ( readCookie('ianmiller_font') != null ) {
	font_size = parseInt(readCookie('ianmiller_font'));
}