//			global.js


var debugFlag = false;
var oContent;
var oSiteMenu;

var browser = new BrowserDetect();

/*==============================
initialize
==============================*/
function jsInitMenu()
{
//debugFlag = true;
//debugAlert("jsInitMenu()");

		// bail if not DOM-aware
		if (!document.getElementById) return;	// alert("!document.getElementById");
		if (!document.getElementsByTagName) return;	// alert("!document.getElementsByTagName");

	//--------------------
	// initialize language switch
	//--------------------
	var oLangSwitch = document.getElementById("langswitch");
	
		if (oLangSwitch)
		{
			// get links
			var aLinks = oLangSwitch.getElementsByTagName("A");
			
			for (var iL = 0; iL < aLinks.length; iL++)
			{
				aLinks[iL].onclick = jsToggleLanguage;
			}
		}

	//--------------------
	// initialize sitemenu
	//--------------------
	oSiteMenu = document.getElementById("sitemenu");
	
/* center the menu
		if (!document.body.offsetWidth) alert("!document.body.offsetWidth");
	var iWindowWidth = document.body.offsetWidth;
	alert("iWindowWidth = " + iWindowWidth);
	var iMenuWidth = oSiteMenu.offsetWidth;
	oSiteMenu.style.marginLeft = ((iWindowWidth - iMenuWidth) / 2) + "px";

	alert("iWindowWidth - iMenuWidth / 2 = oSiteMenu.style.marginLeft/n/n" + 
		iWindowWidth + " - " + iMenuWidth + " / 2 = " + oSiteMenu.style.marginLeft);
*/

// do the following only for IE

		// bail if not Internet Explorer or Opera
		// browser is defined in browserDetect.js
		if (browser.isIE == false && browser.isOpera == false) return;

	// get menu object
	
	// get the first list item
	var oItem = oSiteMenu.firstChild;
	
	while (oItem && oItem.tagName == "LI")
	{
		debugAlert("oItem.tagName = " + oItem.tagName);
		debugAlert("oItem.id = " + oItem.id);

		oItem.onmouseover = jsItemMouseOver;
		oItem.onkeyup = jsItemMouseOver;		

		oItem.onmouseout = jsItemMouseOut;
		oItem.onblur = jsItemMouseOut;

		oItem = oItem.nextSibling;

	}

/*	
	// get all LIs
	var aObjs = oSiteMenu.getElementsByTagName("LI");
	
	for (var iObj = 0; iObj < aObjs.length; iObj++)
	{
		aObjs[iObj].onmouseover = jsItemMouseOver;
		//aObjs[iObj].onmouseout = jsItemMouseOut;
	}
*/

/*------------------------------
ULs
------------------------------*/
/*
	// get all ULs
	var aObjs = oMenu.getElementsByTagName("UL");

	//debugFlag = true;
	//debugAlert(aObjs.length + " ULs");
	
	for (var iObj = 0; iObj < aObjs.length; iObj++)
	{
		//debugAlert("UL " + iObj);

		aObjs[iObj].onmouseover = jsMenuMouseOver;
		//aObjs[iObj].onmouseover = jsItemMouseOver;
		//aObjs[iObj].onmouseout = jsItemMouseOut;
	}
*/
/*------------------------------
content block
------------------------------*/
/*
	var oObj = document.getElementById("content");
	oContent.onmouseover = jsItemMouseOut;
*/
}


//==============================
function jsToggleLanguage(e)
//==============================
{
	// stop event propagation
		if (!e) var e = window.event;
	e.cancelBubble = true;
		if (e.stopPropagation) e.stopPropagation();

	// regular expressions to extract the language code from HREF (langJP) & body class (lang=JP)
	var rHref = /\blang=([A-Z]{2})\b/i;
	var rLang = /\b(lang[A-Z]{2})\b/i;

	// get the language setting from the link's HREF
	var sHref = this.getAttribute("href");
	var aHref = rHref.exec(sHref);
	
	var sNewLang = "lang" + aHref[1];
	
		// if no body class, create one
		if (!document.body.className || document.body.className == '')
		{
			document.body.className = sNewLang;
		}
		// or if body class contains a language setting, change it to the new language
		else if (rLang.test(document.body.className))
		{
			document.body.className = document.body.className.replace(rLang, sNewLang);
		}
		// otherwise add the new language to the body class
		else
		{
			document.body.className += ' ' + sNewLang;
		}

	// don't reload the page
	return false;
}


//==============================
function jsItemMouseOver(e)
//==============================
{
	//debugAlert("jsItemMouseOver " + this.tagName + " " + this.id);

	// stop event propagation
		if (!e) var e = window.event;
	e.cancelBubble = true;
		if (e.stopPropagation) e.stopPropagation();

	//this.className = "hover";
	oSiteMenu.className = this.id;
	
}
//==============================
function jsMenuMouseOver(e)
//==============================
{
	//debugAlert("jsMenuMouseOver " + this.tagName + " " + this.id);

	// stop event propagation
		if (!e) var e = window.event;
	e.cancelBubble = true;
		if (e.stopPropagation) e.stopPropagation();

	//this.className = "hover";
	oSiteMenu.className = this.parent.id;
	
}
//==============================
function jsItemMouseOut(e)
//==============================
{
	//debugAlert("jsItemMouseOut " + this.tagName + " " + this.id);

	// stop event propagation
		if (!e) var e = window.event;
	e.cancelBubble = true;
		if (e.stopPropagation) e.stopPropagation();

	//this.className = "";
	oSiteMenu.className = "";
}

//==============================
function debugAlert(argText)
//==============================
{
	if (debugFlag) alert(argText);
}


//==============================================================================================================

// Browser Detect  v2.1.6
// documentation: http://www.dithered.com/javascript/browser_detect/index.html
// license: http://creativecommons.org/licenses/by/1.0/
// code by Chris Nott (chris[at]dithered[dot]com)


function BrowserDetect()
{

   var ua = navigator.userAgent.toLowerCase(); 

   // browser engine name
   this.isGecko       = (ua.indexOf('gecko') != -1 && ua.indexOf('safari') == -1);
   this.isAppleWebKit = (ua.indexOf('applewebkit') != -1);

   // browser name
   this.isKonqueror   = (ua.indexOf('konqueror') != -1); 
   this.isSafari      = (ua.indexOf('safari') != - 1);
   this.isOmniweb     = (ua.indexOf('omniweb') != - 1);
   this.isOpera       = (ua.indexOf('opera') != -1); 
   this.isIcab        = (ua.indexOf('icab') != -1); 
   this.isAol         = (ua.indexOf('aol') != -1); 
   this.isIE          = (ua.indexOf('msie') != -1 && !this.isOpera && (ua.indexOf('webtv') == -1) ); 
   this.isMozilla     = (this.isGecko && ua.indexOf('gecko/') + 14 == ua.length);
   this.isFirebird    = (ua.indexOf('firebird/') != -1);
   this.isNS          = ( (this.isGecko) ? (ua.indexOf('netscape') != -1) : ( (ua.indexOf('mozilla') != -1) && !this.isOpera && !this.isSafari && (ua.indexOf('spoofer') == -1) && (ua.indexOf('compatible') == -1) && (ua.indexOf('webtv') == -1) && (ua.indexOf('hotjava') == -1) ) );
   
   // spoofing and compatible browsers
   this.isIECompatible = ( (ua.indexOf('msie') != -1) && !this.isIE);
   this.isNSCompatible = ( (ua.indexOf('mozilla') != -1) && !this.isNS && !this.isMozilla);
   
   // rendering engine versions
   this.geckoVersion = ( (this.isGecko) ? ua.substring( (ua.lastIndexOf('gecko/') + 6), (ua.lastIndexOf('gecko/') + 14) ) : -1 );
   this.equivalentMozilla = ( (this.isGecko) ? parseFloat( ua.substring( ua.indexOf('rv:') + 3 ) ) : -1 );
   this.appleWebKitVersion = ( (this.isAppleWebKit) ? parseFloat( ua.substring( ua.indexOf('applewebkit/') + 12) ) : -1 );
   
   // browser version
   this.versionMinor = parseFloat(navigator.appVersion); 
   
   // correct version number
   if (this.isGecko && !this.isMozilla) {
      this.versionMinor = parseFloat( ua.substring( ua.indexOf('/', ua.indexOf('gecko/') + 6) + 1 ) );
   }
   else if (this.isMozilla) {
      this.versionMinor = parseFloat( ua.substring( ua.indexOf('rv:') + 3 ) );
   }
   else if (this.isIE && this.versionMinor >= 4) {
      this.versionMinor = parseFloat( ua.substring( ua.indexOf('msie ') + 5 ) );
   }
   else if (this.isKonqueror) {
      this.versionMinor = parseFloat( ua.substring( ua.indexOf('konqueror/') + 10 ) );
   }
   else if (this.isSafari) {
      this.versionMinor = parseFloat( ua.substring( ua.lastIndexOf('safari/') + 7 ) );
   }
   else if (this.isOmniweb) {
      this.versionMinor = parseFloat( ua.substring( ua.lastIndexOf('omniweb/') + 8 ) );
   }
   else if (this.isOpera) {
      this.versionMinor = parseFloat( ua.substring( ua.indexOf('opera') + 6 ) );
   }
   else if (this.isIcab) {
      this.versionMinor = parseFloat( ua.substring( ua.indexOf('icab') + 5 ) );
   }
   
   this.versionMajor = parseInt(this.versionMinor); 
   
   // dom support
   this.isDOM1 = (document.getElementById);
   this.isDOM2Event = (document.addEventListener && document.removeEventListener);
   
   // css compatibility mode
   this.mode = document.compatMode ? document.compatMode : 'BackCompat';

   // platform
   this.isWin    = (ua.indexOf('win') != -1);
   this.isWin32  = (this.isWin && ( ua.indexOf('95') != -1 || ua.indexOf('98') != -1 || ua.indexOf('nt') != -1 || ua.indexOf('win32') != -1 || ua.indexOf('32bit') != -1 || ua.indexOf('xp') != -1) );
   this.isMac    = (ua.indexOf('mac') != -1);
   this.isUnix   = (ua.indexOf('unix') != -1 || ua.indexOf('sunos') != -1 || ua.indexOf('bsd') != -1 || ua.indexOf('x11') != -1);
   this.isLinux  = (ua.indexOf('linux') != -1);
   
   // specific browser shortcuts
   this.isNS4x = (this.isNS && this.versionMajor == 4);
   this.isNS40x = (this.isNS4x && this.versionMinor < 4.5);
   this.isNS47x = (this.isNS4x && this.versionMinor >= 4.7);
   this.isNS4up = (this.isNS && this.versionMinor >= 4);
   this.isNS6x = (this.isNS && this.versionMajor == 6);
   this.isNS6up = (this.isNS && this.versionMajor >= 6);
   this.isNS7x = (this.isNS && this.versionMajor == 7);
   this.isNS7up = (this.isNS && this.versionMajor >= 7);
   
   this.isIE4x = (this.isIE && this.versionMajor == 4);
   this.isIE4up = (this.isIE && this.versionMajor >= 4);
   this.isIE5x = (this.isIE && this.versionMajor == 5);
   this.isIE55 = (this.isIE && this.versionMinor == 5.5);
   this.isIE5up = (this.isIE && this.versionMajor >= 5);
   this.isIE6x = (this.isIE && this.versionMajor == 6);
   this.isIE6up = (this.isIE && this.versionMajor >= 6);
   
   this.isIE4xMac = (this.isIE4x && this.isMac);
}

window.onload = jsInit;