// JavaScript Document

function switchImage(imgName, imgState) 
{
  if (document.images)
  {
    if (imgState != "none")
    {
		thisImg = "/images/navs/" + imgName + "_" + imgState + ".gif";
//		alert(thisImg);
//		alert(document.images[imgName].src);
      	document.images[imgName].src = thisImg;
    }
  }
}
function preloadImages()
{
  if(document.images)
  {
    if(!document.imageArray) document.imageArray = new Array();
    var i,j = document.imageArray.length, args = preloadImages.arguments;
    
    for(i=0; i<args.length; i++)
    {
      if (args[i].indexOf("#")!=0)
      {
        document.imageArray[j] = new Image;
        document.imageArray[j++].src = "/images/navs/" + args[i];
      }
    }
  }
}

// FLASH VERSION DETECTOR 
var requiredMajorVersion = 6;
var requiredMinorVersion = 0;
var requiredRevision = 29;
var jsVersion = 1.0;

// Detect Client Browser type
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;
} 

// When 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 );	
			}
		}
	}	
}

// function to detect Flash in an HTML page
function makeSWFTags(swfFile, swfWidth, swfHeight, winMode) {
   	var oeTags = '<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"'
   	+ 'width="' + swfWidth + '" height="' + swfHeight + '"'
   	+ 'codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab">'
   	+ '<param name="movie" value="' + swfFile + '" /><param name="quality" value="high" />'
	+ '<param name="wmode" value="' + winMode + '">'
   	+ '<embed src="' + swfFile + '" quality="high"'
   	+ 'width="' + swfWidth + '" height="' + swfHeight + '"'
   	+ 'play="true"'
   	+ 'quality="high"'
	+  'wmode="' + winMode + '"'
   	+ 'type="application/x-shockwave-flash"'
   	+ 'pluginspage="http://www.macromedia.com/go/getflashplayer">'
   	+ '<\/embed>'
   	+ '<\/object>';
	document.write(oeTags);   // embed the Flash Content SWF when all tests are passed
}

