// Modified from Macromedia Flash Player Detection Kit

function TSFlashDetect(){
	
	// 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;

	if(isIE && isWin && !isOpera){
		document.write("<scr"+"ipt language=\"VBScript\" type=\"text/vbscript\">\n");
		document.write("Function TSFlashDetect_VBGetSwfVer(i)\n");
		document.write("  on error resume next\n");
		document.write("  Dim swControl, swVersion\n");
		document.write("  swVersion = 0\n");
		document.write("  \n");
		document.write("  set swControl = CreateObject(\"ShockwaveFlash.ShockwaveFlash.\" + CStr(i))\n");
		document.write("  if (IsObject(swControl)) then\n");
		document.write("    swVersion = swControl.GetVariable(\"$version\")\n");
		document.write("  end if\n");
		document.write("  TSFlashDetect_VBGetSwfVer = swVersion\n");
		document.write("End Function\n");
		document.write("</scr"+"ipt>\n");
	}
	
	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;
	}
	
	this.hasFlash=function(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 = TSFlashDetect_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 );	
				}
			}
		}	
	}
}

TSFlashDetect.prototype.write=function(writeStr){
	document.write(writeStr);
}