gMenuExtended = false;
function loadContent( iContent ) 
{ 
	juniper.asynch.swapContentIn( "content", iContent + "-content" );
	
	if( iContent != "quotes" )
		juniper.asynch.swapContentIn( "quote", "random-media-quote" );
	else
		juniper.asynch.swapContentIn( "quote", "empty-element" );

	
//	setContentMarker( iContent );
}

function expandBlurb( iExcerptName, iFulltextName )
{
	$( iExcerptName ).style.display = 'none';
	$( iFulltextName ).style.display = 'block';
}

function collapseBlurb( iExcerptName, iFulltextName )
{
	$( iExcerptName ).style.display = 'block';
	$( iFulltextName ).style.display = 'none';
}

var images = new Object();
function highlightItem( iName )
{
	$( "menu-item-" + iName ).src = images[ iName ][ 1 ];
}

function dehighlightItem( iName )
{
	$( "menu-item-" + iName ).src = images[ iName ][ 0 ];
}


function loadLyricsString( iString )
{
	$( "lyrics-holder" ).innerHTML = iString;
}

function loadLyricsSubmenu()
{
	juniper.asynch.swapContentIn( "lyrics-poetry-submenu", "type-submenu", "type='lyrics'" );
}

function loadPoetrySubmenu()
{
	juniper.asynch.swapContentIn( "lyrics-poetry-submenu", "type-submenu", "type='poem'" );
}


function loadLyrics( iSongShortName )
{
	juniper.asynch.swapContentIn( "lyrics-holder", "lyrics-" + iSongShortName );
}


function squeezeMenu()
{
	juniper.asynch.swapContentIn( "menu-extension-slot", "menu-empty" );
	gMenuExtended = false;
	
	setMenuMiniMarginBottom( "40px" );
}

function expandMenu()
{
	juniper.asynch.swapContentIn( "menu-extension-slot", "menu-additions" );
	gMenuExtended = true;

	setMenuMiniMarginBottom( "20px" );
}

function setMenuMiniMarginBottom( iValue )
{
	var elements = document.getElementsByClassName( "menu-mini", "menu" );
	for( var i = 0, length = elements.length; i < length; ++i )
	{
		elements[ i ].style.marginBottom = iValue;
	}
}

gHighlightedMenu = null;
function setContentMarker( iContent )
{
	if( gHighlightedMenu != null )
	{
		gHighlightedMenu.style.backgroundImage = "";
	}
	
	gHighlightedMenu = $( iContent + "-menu-item" );
	
	if( gHighlightedMenu != null )
	{
		gHighlightedMenu.style.backgroundImage = "url( http://tomsplitt.patternleaf.com/juniper-themes/plain/littleblob1.gif )";
		gHighlightedMenu.style.backgroundPosition = "bottom left";
		gHighlightedMenu.style.backgroundRepeat = "no-repeat";
	}
	

}


// BrowserDetect from 
// http://www.quirksmode.org/js/detect.html

var BrowserDetect = {
	init: function () {
		this.browser = this.searchString(this.dataBrowser) || "An unknown browser";
		this.version = this.searchVersion(navigator.userAgent)
			|| this.searchVersion(navigator.appVersion)
			|| "an unknown version";
		this.OS = this.searchString(this.dataOS) || "an unknown OS";
	},
	searchString: function (data) {
		for (var i=0;i<data.length;i++)	{
			var dataString = data[i].string;
			var dataProp = data[i].prop;
			this.versionSearchString = data[i].versionSearch || data[i].identity;
			if (dataString) {
				if (dataString.indexOf(data[i].subString) != -1)
					return data[i].identity;
			}
			else if (dataProp)
				return data[i].identity;
		}
	},
	searchVersion: function (dataString) {
		var index = dataString.indexOf(this.versionSearchString);
		if (index == -1) return;
		return parseFloat(dataString.substring(index+this.versionSearchString.length+1));
	},
	dataBrowser: [
		{ 	string: navigator.userAgent,
			subString: "OmniWeb",
			versionSearch: "OmniWeb/",
			identity: "OmniWeb"
		},
		{
			string: navigator.vendor,
			subString: "Apple",
			identity: "Safari"
		},
		{
			prop: window.opera,
			identity: "Opera"
		},
		{
			string: navigator.vendor,
			subString: "iCab",
			identity: "iCab"
		},
		{
			string: navigator.vendor,
			subString: "KDE",
			identity: "Konqueror"
		},
		{
			string: navigator.userAgent,
			subString: "Firefox",
			identity: "Firefox"
		},
		{
			string: navigator.vendor,
			subString: "Camino",
			identity: "Camino"
		},
		{		// for newer Netscapes (6+)
			string: navigator.userAgent,
			subString: "Netscape",
			identity: "Netscape"
		},
		{
			string: navigator.userAgent,
			subString: "MSIE",
			identity: "Explorer",
			versionSearch: "MSIE"
		},
		{
			string: navigator.userAgent,
			subString: "Gecko",
			identity: "Mozilla",
			versionSearch: "rv"
		},
		{ 		// for older Netscapes (4-)
			string: navigator.userAgent,
			subString: "Mozilla",
			identity: "Netscape",
			versionSearch: "Mozilla"
		}
	],
	dataOS : [
		{
			string: navigator.platform,
			subString: "Win",
			identity: "Windows"
		},
		{
			string: navigator.platform,
			subString: "Mac",
			identity: "Mac"
		},
		{
			string: navigator.platform,
			subString: "Linux",
			identity: "Linux"
		}
	]

};
BrowserDetect.init();