/* 
-----------------------------------------------------------------
	BRANZ
	BRA.2417
	flash.js
	
	Handle flash detection and insertion
	This version: 17.04.2008 by AK
	Last Updated: See SVN	
	
	Note: Bundled functions to work without separate scripts.
	Note: Replaced flash detection functions from Adobe Kit.
-----------------------------------------------------------------
*/

// GLOBAL VARIABLES
var global_flash_bgcolor = '#000000';
// Minimum version required is version 8
var requiredMajorVersion = 8; // Major version of Flash required
var requiredMinorVersion = 0; // Minor version of Flash required
var requiredRevision = 0; // Minor version of Flash required

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;

// OLD BROWSER/WRONG FLASH VERSION NOTICE
function not_supported(type,target) {
	
	if ((!document.getElementsByTagName) && (!document.getElementById)) return false;
	if (!document.getElementById(target)) return false;
	if (type == 'no_flash') {
		var str;					  					  			  
		str = '<div class="form_messages"><div><div><h2 class="h2">Flash player</h2><p>The Branz website makes use of Adobe\'s Flash Player. You\'re seeing this notice because you don\'t seem to have the latest version. It\'s a quick download and you\'ll find it useful for many other sites apart from this one. Note you may have to restart your web browser afterwards. </p><p class="tool_flash"><a href="http://www.adobe.com/shockwave/download/download.cgi?P1_Prod_Version=ShockwaveFlash">Adobe Flash player</a></p></div></div></div>';
		document.getElementById(target).innerHTML = str;
	}
}

// FLASH GENERATION
function generate_unique_page_id() {
	/* 	
	A unique id that is sent to all Flash movies on the page
	so that Flash movies can talk to each other without referencing
	Flash movies open in other windows.
	*/
		
	var ranNum= Math.floor(Math.random()*1000);
	return ranNum;	
}

//Functions
// Adobe Flash Version Detector
// documentation: http://www.adobe.com/products/flashplayer/download/detection_kit/

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;
}
	
// 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);
		}
	}
	// 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;
}

// 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;
	}
}

/*	Generate Flash
	Function called on flashinit()
	**************************************** */
function generateFlash(flashContainerID, flashFileName, flashWidth, flashHeight, flashVars, markupBefore, markupAfter) {	
	// check for JS support
	if ((!document.getElementsByTagName) && (!document.getElementById)) return false;
	// don't execute if container is not there
	if (!document.getElementById(flashContainerID)) return false; 
	
	flashContainer = document.getElementById(flashContainerID);	
	global_flash_available = DetectFlashVer(requiredMajorVersion, requiredMinorVersion, requiredRevision); // Adobe version
	
	// DS 151106: Pass flash location to swf so that it can load child movies from correct location
	//flashVars += ('flashFilePath=' + global_site_domain + global_flash_file_path); 				
				
	var full_flash_file_path = flashFileName; // editable		
		
	generatedFlash =  ('\n<!-- START GENERATED MARKUP -->\n');
		
	if (markupBefore != '')	{	
		generatedFlash += (markupBefore + '\n');
	}	
		
	if (global_flash_available) {
		generatedFlash += ('<object id="' + generate_unique_page_id() + '" classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,29,0" width="' + flashWidth + '" height="' + flashHeight + '">\n');
		generatedFlash += ('<param name="movie" value="' + full_flash_file_path + '">\n');
		generatedFlash += ('<param name="quality" value="high">\n');
		generatedFlash += ('<param name="loop" value="false">\n');
		generatedFlash += ('<param name="bgcolor" value="' + global_flash_bgcolor + '">\n');				
		generatedFlash += ('<param name="menu" value="true">\n');
		generatedFlash += ('<param name="scale" value="noscale">\n');
		generatedFlash += ('<param name="wmode" value="transparent">\n');	
		generatedFlash += ('<param name="salign" value="TL">\n');	
		generatedFlash += ('<param name="allowFullScreen" value="true">\n');
			
		if (flashVars != '') {
			generatedFlash += ('<param name="flashvars" value="' + flashVars + '">\n');	
			generatedFlash += ('<embed src="' + full_flash_file_path + '" bgcolor="' + global_flash_bgcolor + '" quality="high" pluginspage="http://www.adobe.com/go/getflashplayer" type="application/x-shockwave-flash" width="' + flashWidth + '" height="' + flashHeight + '" flashvars="' + flashVars + '" menu="true" wmode="transparent" allowfullscreen="true" scale="noscale" salign="TL">\n');
		} else {			
			generatedFlash += ('<embed src="' + full_flash_file_path + '" bgcolor="' + global_flash_bgcolor + '" quality="high" pluginspage="http://www.adobe.com/go/getflashplayer" type="application/x-shockwave-flash" width="' + flashWidth + '" height="' + flashHeight + '" menu="true" wmode="transparent" allowfullscreen="true" scale="noscale" salign="TL">\n');	
		}
		generatedFlash += ('</embed>\n');
		generatedFlash += ('</object>\n');	
	}

	if (markupAfter != '') {	
		generatedFlash += ('\n' + markupAfter + '\n');
	}
		
	generatedFlash +=	('<!-- END GENERATED MARKUP -->\n');		
		
	//	Markup Generation: Conditional Update 150806 -
	//	If there is a reason to replace the current contents of the flash div with some generated content
	//	ie, if Flash/Version if sufficient, or there is a non-Flash message to output
		
	if (global_flash_available) {
		flashContainer.innerHTML = generatedFlash;		
		//document.body.className = 'flashed'; // not required
	}  else {
		not_supported('no_flash',flashContainerID);	
	}
}
	
/* 	flashinit()
	Note:
	Detection MUST be performed during page load. This is because the IE fork writes VB script to the page -
	if this was done post page load the page contents would be replaced with the script thereby erasing the page content.		
*/