// JavaScript Document
isIE = isIE4 = isIE5 = isIE6 = isIE7 = isNS = isNS4 = isNS6 = isNS7 = isNS8 = isFlash5 = isFlashMX = macT = false;
var curLoc;

//ensure that the "srvRoot" variable has been set
if(typeof(srvRoot) == 'undefined') 
{
	srvRoot="/";
}

// 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.isFirefox    = (ua.indexOf('firefox/') != -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);
   if ( (this.isWin) && (this.isNS7x) ) {
  	  NetscapeVer = navigator.userAgent; 
	  NSVersion = NetscapeVer.substring(82,85);
   	  this.isNS7even = (NSVersion == 7.0);
   }
   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 BrowserDetect();



// IMAGE SWAPPING AND PRELOADING
function init(location) 
{
	preloadImages(
		srvRoot + 'images/home_on.jpg',
		srvRoot + 'images/about_on.jpg',
		srvRoot + 'images/graphic_art_on.jpg',
		srvRoot + 'images/fineart_on.jpg',
		srvRoot + 'images/blog_on.jpg'
	);

	if (location == 'main')
	{
	}
	if (location == 'about')
	{
	}
	if (location == 'illustration')
	{
		preloadImages( 
			srvRoot + 'images/one_on.gif',
			srvRoot + 'images/two_on.gif',
			srvRoot + 'images/three_on.gif',
			srvRoot + 'images/four.gif',
			srvRoot + 'images/five_on.gif',
			srvRoot + 'images/six_on.gif',
			srvRoot + 'images/seven_on.gif',
			srvRoot + 'images/illustration/weddingillustration.jpg',
			srvRoot + 'images/illustration/mascotconcepts.jpg',
			srvRoot + 'images/illustration/childrensbook.jpg',
			srvRoot + 'images/illustration/thesis_doc.jpg',
			srvRoot + 'images/illustration/creativespirit.jpg', 
			srvRoot + 'images/illustration/tie-your-shoes-web.jpg',
			srvRoot + 'images/illustration/pangea.jpg'
		);
		switchIll(document.getElementById("hdnFirstImage").value);
	}
	if (location == 'fineart')
	{		
		preloadImages(
			srvRoot + 'images/fineart/swedishcandleholders.jpg',
			srvRoot + 'images/fineart/clarendonlanes.jpg',
			srvRoot + 'images/fineart/moandchair.jpg',
			srvRoot + 'images/fineart/mormorschair.jpg',
			srvRoot + 'images/fineart/bokchoi.jpg',
			srvRoot + 'images/fineart/carrots.jpg',
			srvRoot + 'images/fineart/gloveI.jpg',
			srvRoot + 'images/fineart/rubberboots.jpg',
			srvRoot + 'images/fineart/apples.jpg',
			srvRoot + 'images/fineart/papaya.jpg'			
		);
	}
	
	if (location == 'blog')
	{
	}
}

function switchImage(imgName, imgDir, imgType) 
{
	if( !imgType )
	{
		imgType="jpg";
	}

	if (document.images)
	{
		if (imgDir != "none")
		{
			var retVal = document.images[imgName].src = srvRoot + "images/" + imgName + "_" + imgDir + "." + imgType;
		}
	}
}

function preloadImages() 
{ 
	if( document.images )
	{ 
		if( !document.imgArray )
		{
			document.imgArray = new Array();
		}

		var i = 0;
		var j = document.imgArray.length;

		for( i = 0; i < preloadImages.arguments.length; i++ )
		{
			if( preloadImages.arguments[i].indexOf( "#" ) != 0 )
			{
				document.imgArray[j]       = new Image; 
				document.imgArray[j++].src = preloadImages.arguments[i];
			}
		}
	}
}

function switchIll( newImgName )
{	
	if (!document.getElementById || !document.createElement || !document.appendChild) 
        	return false;

	var newImgObj = new Image();
	
	newImgObj.onload = function() {
		document.images["blank"].style.display = 'block';
		document.images["blank"].src = newImgObj.src;
	}
	newImgObj.src = srvRoot + "images/illustration/" + newImgName + ".jpg";
	return false;

}

function setDescription( text ) 
{
	//replace any quotes.
	text = text.replace(/"/g, '&quote').replace(/'/g, "&#39;");
	var descrBox = document.getElementById("illustration_text");
	if( descrBox != undefined )
		descrBox.innerHTML = text;
}
function setSeriesDescription( targetElementId, text )
{
	//replace any quotes.
	text = text.replace(/"/g, '&quote').replace(/'/g, "&#39;");
	var descrBox = document.getElementById(targetElementId);
	if( descrBox != undefined )
		descrBox.innerHTML = text;
}

function positionMenu(menuId,i) 
{
	ypSlideOutMenu.showMenu(menuId);
	var element = document.getElementById("act" + i);
	var top = element.offsetTop + 15;
	var left = element.offsetLeft;

	if( browser.isIE6x ) 
	{
		top += 15;
	}
	document.getElementById(menuId + "Container").style.left = left + "px";
	document.getElementById(menuId + "Container").style.top = top + "px";
}


function GetGalleryMain() {
	try
	{
		document.getElementById("series_text").style.display = "none";
		document.getElementById("div_buttons").style.display = "none";
		document.getElementById("galleryThumbStrip").style.display = "block";
		document.getElementById("fineart_body").style.backgroundColor = "#93908C";
		
	}
	catch(err)
	{
		var txt = "There was an error on this page.\n\n";
		txt += "Error description: " + err.description + "\n\n";
		txt += "Click OK to continue.\n\n";
		alert(txt);
	}
}
