/*
--------------------------------------------------
	Font Size Fix
	Ver: 2007
-------------------------------------------------- */
/*	OS Check
-------------------------------------------------- */
/*	Macintosh               -> MacOS
	Windows95/98/NT/2000/XP -> Windows
	UNIX                    -> UNIX
-------------------------------------------------- */
function getOSType() {
	var uAgent = navigator.userAgent.toUpperCase();
	if (uAgent.indexOf("MAC") >= 0) return "MacOS";
	if (uAgent.indexOf("WIN") >= 0) return "Windows";
	if (uAgent.indexOf("X11") >= 0) return "UNIX";
	return "";
}

/*	Browser Check
-------------------------------------------------- */
/*	Firefox            -> Firefox
	Netscape Navigator -> Netscape
	Internet Explorer  -> Explorer
	Safari             -> Safari
	Opera              -> Opera
-------------------------------------------------- */
function getBrowserName() {
	var aName = navigator.appName.toUpperCase();
	var uName = navigator.userAgent.toUpperCase();
	if (uName.indexOf("SAFARI") >= 0) return "Safari";
	if (uName.indexOf("OPERA") >= 0) return "Opera";
	if (uName.indexOf("FIREFOX") >= 0) return "Firefox";
	if (aName.indexOf("NETSCAPE") >= 0) return "Netscape";
	if (aName.indexOf("MICROSOFT") >= 0) return "Explorer";
	return "";
}

/*	Browser Version Check
-------------------------------------------------- */
function getBrowserVersion() {
	var browser = getBrowserName();
	var version = 0;
	var s = 0;
	var e = 0;
	var appVer = navigator.appVersion;
	var uName = navigator.userAgent.toUpperCase();
	if (browser == "Safari") {
		s = uName.indexOf("SAFARI/",0);
		version = (uName.substring(s+7,s+99));
		if (version < 400) version = 1;
		if (version >= 400) version = 2;
	}
	if (browser == "Opera") {
		s = uName.indexOf("OPERA",0) + 6;
		e = uName.indexOf(" ",s);
		version = parseFloat(uName.substring(s,e));
	}
	if (browser == "Firefox") {
		s = uName.indexOf("FIREFOX/",0);
		version = parseFloat(uName.substring(s+8,s+8+3));
	}
	if (browser == "Netscape") {
		s = appVer.indexOf(" ",0);
		version = eval(appVer.substring(0,s));
		if (version >= 5) version++;
	}
	if (browser == "Explorer") {
		appVer = navigator.userAgent;
		s = appVer.indexOf("MSIE ",0) + 5;
		e = appVer.indexOf(";",s);
		version = eval(appVer.substring(s,e));
	}
	return version;
}

/*	Total Check
-------------------------------------------------- */
osType = getOSType();
browserName = getBrowserName();
browserVersion = getBrowserVersion();

/*	Font Size Check
-------------------------------------------------- */
var fontSizeValue;
if(osType == "MacOS"){
	if (browserName == "Explorer") fontSizeValue = 90;
	if (browserName == "Firefox") fontSizeValue = 120;
	if (browserName == "Netscape") fontSizeValue = 100;
	if (browserName == "Safari") fontSizeValue = 100;
	if (browserName == "Opera") fontSizeValue = 100;
}
if(osType == "Windows"){
	if (browserName == "Explorer") fontSizeValue = 100;
	if (browserName == "Firefox") fontSizeValue = 110;
	if (browserName == "Netscape") fontSizeValue = 100;
	if (browserName == "Safari") fontSizeValue = 100;
	if (browserName == "Opera") fontSizeValue = 100;
}
// if (osType == "MacOS") alert(os);
// if (osType == "Windows") alert(os);
// if (osType == "UNIX") alert(os);
// if (browserName == "Firefox") alert(browser);
// if (browserName == "Netscape") alert(browser);
// if (browserName == "Explorer") alert(browser);
// if (browserName == "Safari") alert(browser);
// if (browserName == "Opera") alert(browser);
// if ((browserVersion >= 1) && (version < 2)) alert(version);
// if ((browserVersion >= 2) && (version < 3)) alert(version);
// if ((browserVersion >= 3) && (version < 4)) alert(version);
// if ((browserVersion >= 4) && (version < 5)) alert(version);
// if ((browserVersion >= 5) && (version < 5.5)) alert(version);
// if ((browserVersion >= 5.5) && (version < 6)) alert(version);
// if ((browserVersion >= 6) && (version < 7)) alert(version);
// if ((browserVersion >= 7) && (version < 8)) alert(version);
// if ((browserVersion >= 8) && (version < 8.5)) alert(version);
// if ((browserVersion >= 8.5) && (version < 9)) alert(version);

/*
--------------------------------------------------
	Font Size Fix
-------------------------------------------------- */
function fontSizeFix() {
	document.body.style.fontSize = fontSizeValue + "%";
	// Debag
	// alert('Font Size Fix\nDefault Font Size\n' + document.body.style.fontSize);
}

/*
--------------------------------------------------
	Font Size Zoom
-------------------------------------------------- */
/*	fontSizeZoom('IN or OUT');
-------------------------------------------------- */
function fontSizeZoom(params){

	var params;
	var currentFontSize = document.body.style.fontSize;

	crtFontSizeValue = eval(currentFontSize.replace(/%/,""));
	if (params == "IN" || params == "in") {
		if (crtFontSizeValue < 200) {
			crtFontSizeValue = crtFontSizeValue + 20;
			document.body.style.fontSize = crtFontSizeValue + "%";
			// Debag
			// alert(document.body.style.fontSize);
		}
	} else if (params == "OUT" || params == "out") {
		if (crtFontSizeValue > 60) {
			crtFontSizeValue = crtFontSizeValue - 20;
			document.body.style.fontSize = crtFontSizeValue + "%";
			// Debag
			// alert(document.body.style.fontSize);
		}
	} else {
		document.body.style.fontSize = fontSizeValue + "%";
		// Debag
		// alert(document.body.style.fontSize);
	}
}

// Default
// window.onload = fontSizeFix;

// for Prototype.js
Event.observe(window, 'load', fontSizeFix, false);