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86 lines
3.3 KiB
86 lines
3.3 KiB
// Globals
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// Major version of Flash required
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var requiredMajorVersion = 7;
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// Minor version of Flash required
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var requiredMinorVersion = 0;
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// Minor version of Flash required
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var requiredRevision = 0;
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// the version of javascript supported
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var jsVersion = 1.0;
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//
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var isIE = (navigator.appVersion.indexOf("MSIE") != -1) ? true : false;
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var isWin = (navigator.appVersion.toLowerCase().indexOf("win") != -1) ? true : false;
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var isOpera = (navigator.userAgent.indexOf("Opera") != -1) ? true : false;
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jsVersion = 1.1;
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// JavaScript helper required to detect Flash Player PlugIn version information
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function JSGetSwfVer(i){
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// NS/Opera version >= 3 check for Flash plugin in plugin array
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if (navigator.plugins != null && navigator.plugins.length > 0) {
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if (navigator.plugins["Shockwave Flash 2.0"] || navigator.plugins["Shockwave Flash"]) {
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var swVer2 = navigator.plugins["Shockwave Flash 2.0"] ? " 2.0" : "";
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var flashDescription = navigator.plugins["Shockwave Flash" + swVer2].description;
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descArray = flashDescription.split(" ");
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tempArrayMajor = descArray[2].split(".");
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versionMajor = tempArrayMajor[0];
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versionMinor = tempArrayMajor[1];
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if ( descArray[3] != "" ) {
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tempArrayMinor = descArray[3].split("r");
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} else {
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tempArrayMinor = descArray[4].split("r");
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}
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versionRevision = tempArrayMinor[1] > 0 ? tempArrayMinor[1] : 0;
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flashVer = versionMajor + "." + versionMinor + "." + versionRevision;
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} else {
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flashVer = -1;
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}
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}
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// MSN/WebTV 2.6 supports Flash 4
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else if (navigator.userAgent.toLowerCase().indexOf("webtv/2.6") != -1) flashVer = 4;
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// WebTV 2.5 supports Flash 3
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else if (navigator.userAgent.toLowerCase().indexOf("webtv/2.5") != -1) flashVer = 3;
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// older WebTV supports Flash 2
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else if (navigator.userAgent.toLowerCase().indexOf("webtv") != -1) flashVer = 2;
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// Can\'t detect in all other cases
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else {
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flashVer = -1;
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}
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return flashVer;
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}
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// When called with reqMajorVer, reqMinorVer, reqRevision returns true if that version or greater is available
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function DetectFlashVer(reqMajorVer, reqMinorVer, reqRevision)
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{
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reqVer = parseFloat(reqMajorVer + "." + reqRevision);
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// loop backwards through the versions until we find the newest version
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for (i=25;i>0;i--) {
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if (isIE && isWin && !isOpera) {
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versionStr = VBGetSwfVer(i);
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} else {
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versionStr = JSGetSwfVer(i);
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}
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if (versionStr == -1 ) {
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return false;
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} else if (versionStr != 0) {
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if(isIE && isWin && !isOpera) {
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tempArray = versionStr.split(" ");
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tempString = tempArray[1];
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versionArray = tempString .split(",");
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} else {
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versionArray = versionStr.split(".");
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}
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versionMajor = versionArray[0];
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versionMinor = versionArray[1];
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versionRevision = versionArray[2];
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versionString = versionMajor + "." + versionRevision; // 7.0r24 == 7.24
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versionNum = parseFloat(versionString);
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// is the major.revision >= requested major.revision AND the minor version >= requested minor
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if ( (versionMajor > reqMajorVer) && (versionNum >= reqVer) ) {
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return true;
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} else {
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return ((versionNum >= reqVer && versionMinor >= reqMinorVer) ? true : false );
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}
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}
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}
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}
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