/*Unobtrusive Flash Objects (UFO) v1.01 <http://www.bobbyvandersluis.com/ufo/>
Copyright 2005 Bobby van der Sluis
This software is licensed under the CC-GNU LGPL <http://creativecommons.org/licenses/LGPL/2.1/>
------------------------------
v1.01 Fixed bug: Added missing quotes around attribute values
*/

var UFO = {
requiredAttrParams: ["movie", "width", "height", "majorversion", "build"],
optionalAttrEmb: ["name", "swliveconnect", "align"],
optionalAttrObj: ["id", "align"],
optionalAttrParams: ["play", "loop", "menu", "quality", "scale", "salign", "wmode", "bgcolor", "base", "flashvars", "devicefont", "allowscriptaccess"],

create: function(FO, id) {
UFO.setElementDisplay(id, "none");
var loadfn = function() {
if (UFO.hasRequiredAttrParams(FO) && UFO.hasFlashVersion(FO.majorversion, FO.build)) {
UFO.writeFlashObject(FO, id);
}
UFO.setElementDisplay(id, "block");
};
UFO.addLoadEvent(loadfn);
},

setElementDisplay: function(id, display) {
if (!document.createElement || !document.getElementsByTagName) return;
var selector = "#" + id;
var property = "display: " + display;
var style = document.createElement("style");
style.setAttribute("type", "text/css");
style.setAttribute("media", "screen");
document.getElementsByTagName("head")[0].appendChild(style);
var agt = navigator.userAgent.toLowerCase(); 
var is_ie = ((agt.indexOf("msie") != -1) && (agt.indexOf("opera") == -1));
var is_win = (agt.indexOf("win") != -1);
if (!(is_ie && is_win)) {
var styles = document.getElementsByTagName("style");
if (styles && styles.length > 0 && document.createTextNode) {
var lastStyle = styles[styles.length - 1];
var rule = document.createTextNode(selector + " {" + property + ";}");
lastStyle.appendChild(rule); // Hopelessly bugs in IE/Win
}
}
else if (document.styleSheets && document.styleSheets.length > 0) {
var stylesheet = document.styleSheets[document.styleSheets.length - 1];
if (typeof stylesheet.addRule == "object"){ // This test bugs in IE/Mac and Safari
stylesheet.addRule(selector, property);
}
}
},

hasRequiredAttrParams: function(FO) {
for (var i = 0; i < UFO.requiredAttrParams.length; i++) {
if (typeof FO[UFO.requiredAttrParams[i]] == "undefined") return false;
}
return true;
},

hasFlashVersion: function(majorVersion, build) {
var reqVersion = parseFloat(majorVersion + "." + build);
if (navigator.plugins && typeof navigator.plugins["Shockwave Flash"] == "object") {
var desc = navigator.plugins["Shockwave Flash"].description;
if (desc) {
var descArr = desc.split(" ");
var majorArr = descArr[2].split(".");
var major = majorArr[0];
if (descArr[3] != "") {
var minorArr = descArr[3].split("r");
}
else {
var minorArr = descArr[4].split("r");
}
var minor = minorArr[1] > 0 ? minorArr[1] : 0;
var flashVersion = parseFloat(major + "." + minor);
}
}
else if (window.ActiveXObject) {
try {
var flash = new ActiveXObject("ShockwaveFlash.ShockwaveFlash");
var desc = flash.GetVariable("$version");
if (desc) {
var descArr = desc.split(" ");
var versionArr = descArr[1].split(",");        
var major = versionArr[0];
var minor = versionArr[2];
var flashVersion = parseFloat(major + "." + minor);
}
}
catch(e) {}
}
if (typeof flashVersion != "undefined"){
return (flashVersion >= reqVersion ? true : false); 
}
return false;
},

writeFlashObject: function(FO, id) {
if (!document.getElementById) return;
var el = document.getElementById(id);
if (typeof el.innerHTML == "undefined") return;
var embHTML = "";
var objAttrHTML = "";
var objParamHTML = "";
for (var i = 0; i < UFO.optionalAttrEmb.length; i++) {
if (typeof FO[UFO.optionalAttrEmb[i]] != "undefined" && FO[UFO.optionalAttrEmb[i]] != "") {
embHTML += ' ' + UFO.optionalAttrEmb[i] + '="' + FO[UFO.optionalAttrEmb[i]] + '"';
}
}
for (var i = 0; i < UFO.optionalAttrObj.length; i++) {
if (typeof FO[UFO.optionalAttrObj[i]] != "undefined" && FO[UFO.optionalAttrObj[i]] != "") {
objAttrHTML += ' ' + UFO.optionalAttrObj[i] + '="' + FO[UFO.optionalAttrObj[i]] + '"';
}
}
for (var i = 0; i < UFO.optionalAttrParams.length; i++) {
if (typeof FO[UFO.optionalAttrParams[i]] != "undefined" && FO[UFO.optionalAttrParams[i]] != "") {
embHTML += ' ' + UFO.optionalAttrParams[i] + '="' + FO[UFO.optionalAttrParams[i]] + '"';
objParamHTML += '<param name="' + UFO.optionalAttrParams[i] + '" value="' + FO[UFO.optionalAttrParams[i]] + '" />';
}
}
if (navigator.plugins && typeof navigator.plugins["Shockwave Flash"] == "object") {
var foHTML = '<embed type="application/x-shockwave-flash" src="' + FO.movie + '" width="' + FO.width + '" height="' + FO.height + '" pluginspage="http://www.macromedia.com/go/getflashplayer"';
foHTML += embHTML;
foHTML += '></embed>';
}
else {
var foHTML = '<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"' + objAttrHTML + ' width="' + FO.width + '" height="' + FO.height + '" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=' + FO.majorversion + ',0,' + FO.build + ',0">';
foHTML += '<param name="movie" value="' + FO.movie + '" />';
foHTML += objParamHTML;
foHTML += '</object>';
}
el.innerHTML = foHTML;
},

addLoadEvent: function(fn) {
if (window.addEventListener) {
window.addEventListener("load", fn, false);
}
else if (document.addEventListener) {
document.addEventListener("load", fn, false);
}
else if (window.attachEvent) {
window.attachEvent("onload", fn);
}
else if (typeof window.onload == "function") {
var fnOld = window.onload;
window.onload = function(){
fnOld();
fn();
};
}
else {
window.onload = fn;
}
}
};