﻿// -----------------------------------------------------------------------------
// Globals
// Major version of Flash required
var requiredMajorVersion = 8;
// Minor version of Flash required
var requiredMinorVersion = 0;
// Revision of Flash required
var requiredRevision = 0;
// the version of javascript supported
var jsVersion = 1.0;
// -----------------------------------------------------------------------------
// -->
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;
jsVersion = 1.1;
// JavaScript helper required to detect Flash Player PlugIn version information
function JSGetSwfVer(i){
    // NS/Opera version >= 3 check for Flash plugin in plugin array
    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;
		    descArray = flashDescription.split(" ");
		    tempArrayMajor = descArray[2].split(".");
		    versionMajor = tempArrayMajor[0];
		    versionMinor = tempArrayMajor[1];
		    if ( descArray[3] != "" ) {
			    tempArrayMinor = descArray[3].split("r");
		    } else {
			    tempArrayMinor = descArray[4].split("r");
		    }
  		    versionRevision = tempArrayMinor[1] > 0 ? tempArrayMinor[1] : 0;
            flashVer = versionMajor + "." + versionMinor + "." + versionRevision;
  	    } else {
		    flashVer = -1;
	    }
    }
    // 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;
    // Can't detect in all other cases
    else {
		
	    flashVer = -1;
    }
    return flashVer;
} 
// If called with no parameters this function returns a floating point value 
// which should be the version of the Flash Player or 0.0 
// ex: Flash Player 7r14 returns 7.14
// If called with reqMajorVer, reqMinorVer, reqRevision returns true if that version or greater is available
function DetectFlashVer(reqMajorVer, reqMinorVer, reqRevision) 
{
    reqVer = parseFloat(reqMajorVer + "." + reqRevision);
    // loop backwards through the versions until we find the newest version	
    for (i=25;i>0;i--) {	
	    if (isIE && isWin && !isOpera) {
		    versionStr = VBGetSwfVer(i);
	    } else {
		    versionStr = JSGetSwfVer(i);		
	    }
	    if (versionStr == -1 ) { 
		    return false;
	    } else if (versionStr != 0) {
		    if(isIE && isWin && !isOpera) {
			    tempArray         = versionStr.split(" ");
			    tempString        = tempArray[1];
			    versionArray      = tempString .split(",");				
		    } else {
			    versionArray      = versionStr.split(".");
		    }
		    versionMajor      = versionArray[0];
		    versionMinor      = versionArray[1];
		    versionRevision   = versionArray[2];
			
		    versionString     = versionMajor + "." + versionRevision;   // 7.0r24 == 7.24
		    versionNum        = parseFloat(versionString);
    	    // is the major.revision >= requested major.revision AND the minor version >= requested minor
		    if ( (versionMajor > reqMajorVer) && (versionNum >= reqVer) ) {
			    return true;
		    } else {
			    return ((versionNum >= reqVer && versionMinor >= reqMinorVer) ? true : false );	
		    }
	    }
    }	
    return (reqVer ? false : 0.0);
}


