// Browser Detect Lite  v2.1.4
// http://www.dithered.com/javascript/browser_detect/index.html
// modified by Chris Nott (chris@NOSPAMdithered.com - remove NOSPAM)

function BrowserDetectLite() {
   var ua = navigator.userAgent.toLowerCase(); 

   // browser name
   this.isGecko     = (ua.indexOf('gecko') != -1 && ua.indexOf('safari') == -1);
   this.isMozilla   = (this.isGecko && ua.indexOf('gecko/') + 14 == ua.length);
   this.isNS        = ( (this.isGecko) ? (ua.indexOf('netscape') != -1) : ( (ua.indexOf('mozilla') != -1) && (ua.indexOf('spoofer') == -1) && (ua.indexOf('compatible') == -1) && (ua.indexOf('opera') == -1) && (ua.indexOf('webtv') == -1) && (ua.indexOf('hotjava') == -1) ) );
   this.isIE        = ( (ua.indexOf('msie') != -1) && (ua.indexOf('opera') == -1) && (ua.indexOf('webtv') == -1) ); 
   this.isSafari    = (ua.indexOf('safari') != - 1);
   this.isOpera     = (ua.indexOf('opera') != -1); 
   this.isKonqueror = (ua.indexOf('konqueror') != -1 && !this.isSafari); 
   this.isIcab      = (ua.indexOf('icab') != -1); 
   this.isAol       = (ua.indexOf('aol') != -1); 
   
   // spoofing and compatible browsers
   this.isIECompatible = ( (ua.indexOf('msie') != -1) && !this.isIE);
   this.isNSCompatible = ( (ua.indexOf('mozilla') != -1) && !this.isNS && !this.isMozilla);
   
   // browser version
   this.versionMinor = parseFloat(navigator.appVersion); 
   
   // correct version number
   if (this.isNS && this.isGecko) {
      this.versionMinor = parseFloat( ua.substring( ua.lastIndexOf('/') + 1 ) );
   }
   else if (this.isIE && this.versionMinor >= 4) {
      this.versionMinor = parseFloat( ua.substring( ua.indexOf('msie ') + 5 ) );
   }
   else if (this.isMozilla) {
      this.versionMinor = parseFloat( ua.substring( ua.indexOf('rv:') + 3 ) );
   }
   else if (this.isSafari) {
      this.versionMinor = parseFloat( ua.substring( ua.lastIndexOf('/') + 1 ) );
   }
   else if (this.isOpera) {
      if (ua.indexOf('opera/') != -1) {
         this.versionMinor = parseFloat( ua.substring( ua.indexOf('opera/') + 6 ) );
      }
      else {
         this.versionMinor = parseFloat( ua.substring( ua.indexOf('opera ') + 6 ) );
      }
   }
   else if (this.isKonqueror) {
      this.versionMinor = parseFloat( ua.substring( ua.indexOf('konqueror/') + 10 ) );
   }
   else if (this.isIcab) {
      if (ua.indexOf('icab/') != -1) {
         this.versionMinor = parseFloat( ua.substring( ua.indexOf('icab/') + 6 ) );
      }
      else {
         this.versionMinor = parseFloat( ua.substring( ua.indexOf('icab ') + 6 ) );
      }
   }
   
   this.versionMajor = parseInt(this.versionMinor); 
   this.geckoVersion = ( (this.isGecko) ? ua.substring( (ua.lastIndexOf('gecko/') + 6), (ua.lastIndexOf('gecko/') + 14) ) : -1 );
   
   // 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);
}
var browser = new BrowserDetectLite();

/****************************************
 Alpha transparency for pngs in MSIE/Win
*****************************************/

var isIE55Up = (browser.isWin && browser.isIE && browser.versionMinor >= 5.5);
var isIE55Down = (browser.isWin && browser.isIE && browser.versionMinor < 5.5);
var spacerGif = '/images/gui/spacer.gif';

// recurse through linked and imported stylesheets
function fixPngBackgrounds() {
	if (isIE55Up) {
		walkStyleRules(applyAlphaLoader);
	}
	else if (isIE55Down) {
		walkStyleRules(substituteGif);
	}
}

function applyAlphaLoader(rule) {
	var sBgImage = rule.style.backgroundImage; // url(/path/to/image)
	if (sBgImage) {
		var imgSrc = sBgImage.substring(4,rule.style.backgroundImage.length-1);
		if ( imgSrc.match(/\.png$/i) ) {
			rule.style.backgroundImage = 'none';
			rule.style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + imgSrc + "')";
		}
	}
}

function substituteGif(rule) {
	var sBgImage = rule.style.backgroundImage; // url(/path/to/image)
	if (sBgImage) {
		var imgSrc = sBgImage.substring(4,rule.style.backgroundImage.length-1);
		if ( imgSrc.match(/\.png$/i) ) {
			rule.style.backgroundImage = 'url(' + imgSrc.replace(/(.+)\.png$/i, "$1.gif") + ')';
		}
	}
}

// modified version of youngpup.net's "sleight" code snippet
function fixPngImages() {
	if (browser.isIE && browser.isWin && window.attachEvent) {
		window.attachEvent("onload", fnLoadPngs);
	}	
}

// call onload
function fnLoadPngs() {
	for (var i = document.images.length - 1, img = null; (img = document.images[i]); i--) {
		if (isIE55Up && img.src.match(/\.png$/i) != null) {
			var src = img.src;
			img.style.width = img.width + "px";
			img.style.height = img.height + "px";
			img.style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + src + "', sizingMethod='scale')";
			img.src = spacerGif;
		}
	}
}

// recurse through linked and imported stylesheets, applying fn to each rule
function walkStyleRules(fn) {
	var sCol = (walkStyleRules.arguments[1]) ? walkStyleRules.arguments[1] : document.styleSheets;
	for (var i = 0; i < sCol.length; i++) {
		for (var j = 0; j < sCol[i].rules.length; j++) {
			fn(sCol[i].rules[j]);
		}
		if (sCol[i].imports.length > 0) {
			walkStyleRules(fn, sCol[i].imports);
		}
	}
}

fixPngBackgrounds();
fixPngImages();

/****************************************
 Menu data and menu object customization
 menuLib.js must load BEFORE this section
*****************************************/

/* height formula = (20n + 23) */

var menuData =
{
	'menus': {
		'results': {
			'height':143,
			'width':152,
			'trigger':'resultsBtn',
			'offsetX':0,
			'offsetY':28,
			'direction': 'down',
			'items':[ {type: 'link', text: 'Daily Winners', href: '/results/index.php?page=daily'},
					  {type: 'link', text: 'Grand Leaders', href: '/results/index.php?page=grand'},
					  {type: 'link', text: 'Weekly Leaders', href: '/results/index.php?page=weekly'},
					  {type: 'link', text: 'Division Leaders', href: '/results/index.php?page=division'},
					  {type: 'link', text: 'Grand Slam', href: '/results/index.php?page=grandslam'},
					  {type: 'link', text: 'Teams', href: '/results/index.php?page=teams'}
					] 
				},
		'about': {
			'height':343,
			'width':152,
			'trigger':'aboutBtn',
			'offsetX':0,
			'offsetY':28,
			'direction': 'down',
			'items':[ {type: 'link', text: 'President Letter', href: '/about/index.php'},
					  {type: 'link', text: 'Award Structure', href: '/about/awardstruc.php'},
					  {type: 'link', text: 'Special Awards', href: '/about/spawards.php', subItem: true},
					  {type: 'link', text: 'Rules &amp; Regulations', href: '/about/rules.php'},
					  {type: 'link', text: 'Overview', href: '/about/rules/overview.php', subItem: true},
					  {type: 'link', text: 'Division Entry / Fees', href: '/about/rules/division_fees.php', subItem: true},
					  {type: 'link', text: 'Fishing Boundaries', href: '/about/rules/boundaries.php', subItem: true},
					  {type: 'link', text: 'Weighing of fish', href: '/about/rules/weighing.php', subItem: true},
					  {type: 'link', text: 'Awarding Prizes', href: '/about/rules/prizes.php', subItem: true},
					  {type: 'link', text: 'Committee Rights', href: '/about/rules/c_rights.php', subItem: true},
					  {type: 'link', text: 'Property Rights', href: '/about/rules/p_rights.php', subItem: true},
					  {type: 'link', text: 'Fillet Program', href: '/about/rules/fillet.php', subItem: true},
					  {type: 'link', text: 'Registration Points', href: '/about/rules/registration.php', subItem: true},
					  {type: 'link', text: 'I.G.F.A. Rules', href: '/about/rules/igfa.php', subItem: true},
					  {type: 'link', text: 'Scholarship Program', href: '/about/scholarship.php'},
					  {type: 'link', text: '2011 Sponsors', href: '/about/sponsors.php'}
					] 
				},
		'history': {
			'height':183,
			'width':152,
			'trigger':'historyBtn',
			'offsetX':0,
			'offsetY':28,
			'direction': 'down',
			'items':[ {type: 'link', text: 'Overview', href: '/history/index.html'},
					  {type: 'link', text: 'Past Winners', href: '/history/pastwinners/index.html'},
					  {type: 'link', text: '1946-1984', href: '/history/pastwinners/46_84.html', subItem: true},
					  {type: 'link', text: '1985-1990', href: '/history/pastwinners/85_90.html', subItem: true},
					  {type: 'link', text: '1991-1995', href: '/history/pastwinners/91_95.html', subItem: true},
					  {type: 'link', text: '1996-2010', href: '/history/pastwinners/96_00.html', subItem: true},
					  {type: 'link', text: 'Derby Stories', href: '/history/stories/index.html'},
					  {type: 'link', text: 'Hall of Fame', href: '/history/halloffame.html'}
					] 
				},
		'contact': {
			'height':63,
			'width':152,
			'trigger':'contactBtn',
			'offsetX':0,
			'offsetY':28,
			'direction': 'down',
			'items':[ {type: 'link', text: 'Contact Information', href: '/about/contact.php'},
					  {type: 'link', text: 'Become a Sponsor', href: '/about/besponsor.php'}
					] 
				}
			},
	'nomenus': ['talkBtn', 'storeBtn', 'registerBtn']
}

var menuObj = new menuObject(menuData)

menuObj.isSupported = function () {
	var ret = false
	// set a baseline that includes DOM-capable browsers and MSIE
	if (browser.isDOM1 || document.all) {
		ret = true
	}
	// now, disinclude browsers that match above rule, but are known to be wonky
	if (browser.isOpera && (browser.versionMajor < 6)) {
		ret = false
	}
	return ret
}

menuObj.tmpl.container = '<div class="ypMenuContainer" id="%sContainer"><div id="%sContent">%s</div></div>'
menuObj.tmpl.link = '<div class="menu-item%s"><a href="%s" title="%s" onmouseover="hilite(this,1)" onmouseout="hilite(this,0)">%s</a><span class="shadow">%s</span></div>';
menuObj.renderLink = function (item) {
	return this.merge(this.tmpl.link, 
                      (item.subItem) ? ' sub-item' : '',	
                      item.href, 
	                  (item.title) ? item.title : '', 
	                  item.text,
	                  item.text);
}

function hilite(obj, state) {
	(state) ? (obj.style.background = '#069') : (obj.style.background = 'transparent');
	(state) ? (obj.style.color = '#eee') : (obj.style.color = 'white');
}
