var isIE  = (navigator.appVersion.indexOf("MSIE") != -1) ? true : false;
var isWin = (navigator.appVersion.toLowerCase().indexOf("win") != -1) ? true : false;
var isOpera = (navigator.userAgent.indexOf("Opera") != -1) ? true : false;
var img_array = new Array();
var current_index = 0;
var fade_milliseconds = 800;
var rotate_milliseconds = 6800;
var rotate_timer = null;


jQuery.noConflict();
jQuery(document).ready(function($) {
  
  // Check if flash is installed
  var has_flash = DetectFlashVer(8, 0, 0);
  //alert('has_flash=' + has_flash);
  
  // Check if this is an ANDROID phone
  var user_agent = navigator.userAgent.toLowerCase();
  var is_android = user_agent.indexOf("android");
  //alert('is_android=' + is_android);
  
  // Always use javascript on Androids.  Otherwise, only when flash is not available
  if (is_android || !has_flash) {
    // Populate an array of images to rotate
    jQuery('div.javascript-background img').each(function(index) {
      img_array.push(this);
    });
    
    // If there is at least one image, then display it immediately
    if (img_array.length > 0) {
      jQuery(img_array[0]).css('display', 'block');
    }
    
    // IF there are multiple images, then rotate them
    if (img_array.length > 1) {
      rotate_timer = setTimeout('nextImage()', rotate_milliseconds);
    } // end if there are multiple images
  }
  
  
  // Chrome / Safari fix for image map mouse over
  $('div.content-map').mouseover(function(e) {
    $(this).addClass('content-map-hover');
  }).mouseout(function(e) {
    $(this).removeClass('content-map-hover');
  });
  
  
  //=========================================================================
  // Medium Map:
  //=========================================================================
  $('map#image-map-medium area').mouseover(function() {
    // Show the relevant label when you mouse over an area
    var area_id = $(this).attr('id');
    var label_id = 'label-' + area_id.substr(5);
    
    $('a#' + label_id).css('display', 'block');
  }).mouseout(function(e) {
    // hide the relevant label when you mouse off the area...
    // unless you moused onto the relevant label!
    var area_id = $(this).attr('id');
    var label_id = 'label-' + area_id.substr(5);
    var matching_label = $('a#' + label_id);
    var label_offset = matching_label.find('span.region-label').offset();
    var label_height = matching_label.find('span.region-label').outerHeight();
    var label_width = matching_label.find('span.region-label').outerWidth();
    if (e.pageX <= label_offset.left
      || e.pageX >= (label_offset.left + label_width)
      || e.pageY <= label_offset.top
      || e.pageY >= (label_offset.top + label_height)
    ) {
      matching_label.css('display', 'none');
      //$('p#test-out').html('pageX=' + e.pageX + ', offsetLeft=' + label_offset.left + ', width=' + label_width + "<br/>\n"
      //  + 'pageY=' + e.pageY + ', offsetTop=' + label_offset.top + ', height=' + label_height);
    }
    
  });
  
  
  //=========================================================================
  // Medium Map:
  // When you mouseout of a label, check to see if you are actually no longer
  // on it.  In which case, hide it.
  //=========================================================================
  $('a.medium-map-label').mouseout(function(e) {
    var label_offset = $(this).find('span.region-label').offset();
    var label_height = $(this).find('span.region-label').outerHeight();
    var label_width = $(this).find('span.region-label').outerWidth();
    if (e.pageX <= label_offset.left
      || e.pageX >= (label_offset.left + label_width)
      || e.pageY <= label_offset.top
      || e.pageY >= (label_offset.top + label_height)
    ) {
      $(this).css('display', 'none');
    }
    //$('p#test-out').html('pageX=' + e.pageX + ', offsetLeft=' + label_offset.left + ', width=' + label_width + "<br/>\n"
    //  + 'pageY=' + e.pageY + ', offsetTop=' + label_offset.top + ', height=' + label_height);
  });
  
  
});


//===========================================================================
// nextImage()
//===========================================================================
function nextImage() {
  
  //alert('annoying3');
  
  // Cancel current timer, and restart
  clearTimeout(rotate_timer);
  rotate_timer = setTimeout('nextImage()', rotate_milliseconds);
  
  // Determine the next slide
  var next_index = current_index + 1;
  if (next_index >= img_array.length) {
    next_index = 0;
  }
  
  // Set all other slides to not be displayed.
  for (i = 0; i < img_array.length; i++) {
    if (i != current_index) {
      jQuery(img_array[i]).css('display', 'none');
    }
  }
  
  // Set the NEXT slide to be in front, and the current one to be behind
  jQuery(img_array[current_index]).css('z-index', '-2');
  jQuery(img_array[next_index]).css('z-index', '-1').fadeIn(fade_milliseconds);
  
  current_index = next_index;
} // end nextImage()



// When called with reqMajorVer, reqMinorVer, reqRevision returns true if that version or greater is available
function DetectFlashVer(reqMajorVer, reqMinorVer, reqRevision)
{
	versionStr = GetSwfVer();
	if (versionStr == -1 ) {
		return false;
	} else if (versionStr != 0) {
		if(isIE && isWin && !isOpera) {
			// Given "WIN 2,0,0,11"
			tempArray         = versionStr.split(" "); 	// ["WIN", "2,0,0,11"]
			tempString        = tempArray[1];			// "2,0,0,11"
			versionArray      = tempString.split(",");	// ['2', '0', '0', '11']
		} else {
			versionArray      = versionStr.split(".");
		}
		var versionMajor      = versionArray[0];
		var versionMinor      = versionArray[1];
		var versionRevision   = versionArray[2];

        	// is the major.revision >= requested major.revision AND the minor version >= requested minor
		if (versionMajor > parseFloat(reqMajorVer)) {
			return true;
		} else if (versionMajor == parseFloat(reqMajorVer)) {
			if (versionMinor > parseFloat(reqMinorVer))
				return true;
			else if (versionMinor == parseFloat(reqMinorVer)) {
				if (versionRevision >= parseFloat(reqRevision))
					return true;
			}
		}
		return false;
	}
}


// JavaScript helper required to detect Flash Player PlugIn version information
function GetSwfVer(){
	// NS/Opera version >= 3 check for Flash plugin in plugin array
	var flashVer = -1;
	
	if (navigator.plugins != null && navigator.plugins.length > 0) {
		if (navigator.plugins["Shockwave Flash 2.0"] || navigator.plugins["Shockwave Flash"]) {
			var swVer2 = navigator.plugins["Shockwave Flash 2.0"] ? " 2.0" : "";
			var flashDescription = navigator.plugins["Shockwave Flash" + swVer2].description;
			var descArray = flashDescription.split(" ");
			var tempArrayMajor = descArray[2].split(".");			
			var versionMajor = tempArrayMajor[0];
			var versionMinor = tempArrayMajor[1];
			var versionRevision = descArray[3];
			if (versionRevision == "") {
				versionRevision = descArray[4];
			}
			if (versionRevision[0] == "d") {
				versionRevision = versionRevision.substring(1);
			} else if (versionRevision[0] == "r") {
				versionRevision = versionRevision.substring(1);
				if (versionRevision.indexOf("d") > 0) {
					versionRevision = versionRevision.substring(0, versionRevision.indexOf("d"));
				}
			}
			var flashVer = versionMajor + "." + versionMinor + "." + versionRevision;
			//alert("flashVer="+flashVer);
		}
	}
	// MSN/WebTV 2.6 supports Flash 4
	else if (navigator.userAgent.toLowerCase().indexOf("webtv/2.6") != -1) flashVer = 4;
	// WebTV 2.5 supports Flash 3
	else if (navigator.userAgent.toLowerCase().indexOf("webtv/2.5") != -1) flashVer = 3;
	// older WebTV supports Flash 2
	else if (navigator.userAgent.toLowerCase().indexOf("webtv") != -1) flashVer = 2;
	else if ( isIE && isWin && !isOpera ) {
		flashVer = ControlVersion();
	}	
	return flashVer;
}


function ControlVersion()
{
	var version;
	var axo;
	var e;

	// NOTE : new ActiveXObject(strFoo) throws an exception if strFoo isn't in the registry

	try {
		// version will be set for 7.X or greater players
		axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.7");
		version = axo.GetVariable("$version");
	} catch (e) {
	}

	if (!version)
	{
		try {
			// version will be set for 6.X players only
			axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.6");
			
			// installed player is some revision of 6.0
			// GetVariable("$version") crashes for versions 6.0.22 through 6.0.29,
			// so we have to be careful. 
			
			// default to the first public version
			version = "WIN 6,0,21,0";

			// throws if AllowScripAccess does not exist (introduced in 6.0r47)		
			axo.AllowScriptAccess = "always";

			// safe to call for 6.0r47 or greater
			version = axo.GetVariable("$version");

		} catch (e) {
		}
	}

	if (!version)
	{
		try {
			// version will be set for 4.X or 5.X player
			axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.3");
			version = axo.GetVariable("$version");
		} catch (e) {
		}
	}

	if (!version)
	{
		try {
			// version will be set for 3.X player
			axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.3");
			version = "WIN 3,0,18,0";
		} catch (e) {
		}
	}

	if (!version)
	{
		try {
			// version will be set for 2.X player
			axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash");
			version = "WIN 2,0,0,11";
		} catch (e) {
			version = -1;
		}
	}
	
	return version;
}