/* Detect if the correct version of Flash is available on the client */
/* and center the Flash presentation vertically in a browser window */
/* (c) 2005 Antics Online, Inc. All Rights Reserved. */
/* Revised 9/13/05 */
/* Revised 5/8/06 -- Contains workaround for cropping problem in IE with Flash 7 */
/* Revised 12/15/06 -- Reference generic styles */
// 1/24/07 Added support for FlashVars
/* Revised 8/2/07 -- Option to display alternate content instead of redirect if no flash */
// Set default values in case they're not passed in
var flashCenter = false; // Set true to center vertically; false if running in a fixed position on the page
var flashBorder = false; // Set true to add a border (applies only if centering); false to disable border
var flashFullscreen = false; // Set true to resize window to fullscreen
var flashBgColor = "#FFFFFF"; // Sets the background color
var flashTextColor = "#000000"; // The text color for the window if flashCenter is true
var flashNoFlashPage = ""; // Send user here if no Flash; If blank string, then display noFlash content instead.
var flashTransparency = false; // Set true if Flash is to be transparent (can be something other than top-most layer)
var flashVars = ""; // 1/24/07 Added support for FlashVars
// Init global vars
var flashInstalled = false; // Boolean. true if flash Version is installed
var flashPageHeight = 0; // The height of the browser window
// Browser sniff stuff
var ns4 = document.layers;
var ie4 = document.all;
var nn6 = document.getElementById && !document.all;
var isIE = (navigator.appVersion.indexOf("MSIE") != -1) ? true : false; // true if we're on ie
var isWin = (navigator.appVersion.indexOf("Windows") != -1) ? true : false; // true if we're on windows
// Add a function as the body onload event handler
function addLoadEvent(func) {
var oldonload = window.onload;
if (typeof window.onload != 'function') {
window.onload = func;
}
else {
window.onload = function() {
oldonload();
func();
}
}
}
// Called in body onload. This will center and make visible whatever we're displaying, either the Flash or the alternate no-Flash content.
function centerFlash() {
var ns4 = document.layers; // Try again -- doesn't always work the first time
var inner, outer, middle, loading;
var y = 200; // Default position
if( flashPageHeight ) { // If we were able to determine window dimensions
y = (flashPageHeight/2) - (flashHeight/2); // Center the preso vertically
if( y < 0 ) y = 0;
}
if( ns4 ) { // Netscape 4
document["flashLoadingDiv"].visibility = "hide";
if( flashCenter ) {
document["flashOuterDiv"].top = y;
document["flashOuterDiv"].visibility = "show";
}
}
else {
if( nn6 ) { // Netscape 6, 7, Mozilla
outer = document.getElementById("flashOuterDiv");
inner = document.getElementById("flashInnerDiv");
middle = document.getElementById("flashMiddleDiv");
loading = document.getElementById("flashLoadingDiv");
}
else { // IE
outer = document.all["flashOuterDiv"];
inner = document.all["flashInnerDiv"];
middle = document.all["flashMiddleDiv"];
loading = document.all["flashLoadingDiv"];
}
loading.style.visibility = "hidden";
if( flashCenter ) { // Don't center if playing in a fixed position
middle.style.visibility = "visible"; // 5/8/06 -- IE/Flash 7 cropping bug workaround: make visible here just before repositioning
outer.style.height = "100%"; // Set the background layer to fill the page
middle.style.top = y + "px"; // Position the Flash layer in the center
if( flashBorder ) inner.style.width = flashWidth; // Set the border layer to the width of the Flash animation
if( isIE && !isWin ) window.resizeBy(0,-1); // Bug fix for IE Macintosh -- resize forces Flash to reposition
outer.style.visibility = "visible";
}
}
}
// Flash detection routine
function detectFlash() {
// Write vbscript detection if we're not on Mac. Check the browser...we're looking for ie/win
if(isIE && isWin){ // don't write vbscript tags on anything but ie win
document.write(' \n');
document.write('on error resume next \n');
document.write('flashInstalled = (IsObject(CreateObject("ShockwaveFlash.ShockwaveFlash.'+flashVersion+'"))) \n');
document.write(' \n'); // break up end tag so it doesn't end our script
}
var plugin = (navigator.mimeTypes && navigator.mimeTypes["application/x-shockwave-flash"] ?
navigator.mimeTypes["application/x-shockwave-flash"].enabledPlugin : 0);if (plugin &&
parseInt(plugin.description.substring(plugin.description.indexOf(".")-1)) >= flashVersion) flashInstalled = true; // The required version of Flash is available
}
// Write the content we're going to display. Set the styles based on the params set in the HTML file.
function displayFlash() {
var innerStyle = ""; // Used to draw a border around the Flash
var middleStyle = ""; // Used to center the Flash vertically on the screen
var outerStyle = ""; // Used to fill the screen with a background color
var colorStyle = ""; // Used to set the backgound color
document.open();
if( flashCenter ) { // Set the styles only if we need to center the Flash
document.writeln('
');
outerStyle = middleStyle = "flashContent";
if( flashBorder ) innerStyle = "flashBorder";
colorStyle = 'style="background-color:' + flashBgColor +'; color:' + flashTextColor +';"';
}
var ns4 = document.layers; // Try again -- doesn't always work the first time
if( ns4 ) {
document.writeln('
');
}
else {
document.writeln('
');
}
if( flashInstalled ) { // If the right version of Flash is installed
var trans = "'opaque";
if( flashTransparency ) trans = "transparent";
document.writeln('');
}
else { // Else the right version of Flash is not installed
if( flashNoFlashPage.length > 0 ) document.location = flashNoFlashPage; // If we're supposed to redirect to a different page
else { // If we're supposed to display the no flash content instead
if( ns4 ) document.writeln("
You must have Flash version " + flashVersion + " installed to see this content.
');
document.close();
}
// Detect if Flash is present and then set up the Flash display environment
function initFlash() {
var loading = null;
if( ! ns4 ) {
if( nn6 ) loading = document.getElementById("flashLoadingDiv"); // Netscape 6, 7, Mozilla
else loading = document.all["flashLoadingDiv"]; // IE
}
if( loading != null ) loading.style.visibility = "visible";
detectFlash(); // Call the Flash detection code
addLoadEvent(centerFlash); // Add our centerFlash function as the body onload event handler
if( flashFullscreen ) {
self.moveTo(0,0);
self.resizeTo(screen.width,screen.height);
}
flashPageHeight = getPageHeight();
if( flashPageHeight == 0 || flashPageHeight == flashHeight ) {
flashCenter = false; // If running in a popup window, don't center
}
}
// Return height of the broswer window or zero if unable
function getPageHeight() {
var ns4 = document.layers; // Try again -- doesn't always work the first time
if( !ns4 ) {
var pageHeight = top.document.body.clientHeight; // If this doesn't work
if( !pageHeight || isNaN(pageHeight) ) pageHeight = window.innerHeight; // Then try this
if( isNaN(pageHeight) ) pageHeight = 0;
}
else {
pageHeight = window.innerHeight;
}
return(pageHeight);
}