// initialize global variables
var detectableWithVB = false;
var WMPPluginFound = false;
var wmp = false;

function candetectPluginWMPs() {
	if( detectableWithVB || (navigator.plugins && navigator.plugins.length > 0) ) {
	return true;
	} else {
	return false;
	}
}

function detectReal() {
	WMPPluginFound = detectPluginWMP('RealPlayer');
	// if not found, try to detect with VisualBasic
	if(!WMPPluginFound && detectableWithVB) {
		WMPPluginFound = (detectActiveXControl('rmocx.RealPlayer G2 Control') || 
			detectActiveXControl('RealPlayer.RealPlayer(tm) ActiveX Control (32-bit)') || 
			detectActiveXControl('RealVideo.RealVideo(tm) ActiveX Control (32-bit)'));
	}	
	return WMPPluginFound;
}

function detectWindowsMedia() {
	WMPPluginFound = detectPluginWMP('Windows Media');
	// if not found, try to detect with VisualBasic
	if(!WMPPluginFound && detectableWithVB) {
		WMPPluginFound = detectActiveXControl('MediaPlayer.MediaPlayer.1');
	}
	// WMP VERSION CHECKING
	wmp = new Object();
	wmp.installed=WMPPluginFound;
	wmp.version='0.0';
	
	if (navigator.appName != "Netscape"){   
		try{ 
			WMP7 = new ActiveXObject('WMPlayer.OCX');
			wmp.version = "7.0 or higher";
		}catch(err){
			if(WMPPluginFound){
				wmp.version = "6.4 or lower";
			}
		}finally{ 
		}
	}
	if(WMPPluginFound && parseInt(wmp.version) < 7){
		wmp.version = "6.4 or lower";
	}
	//alert(wmp.version);
	// Windows Media Player 7 Code
	wmp.intVersion=parseInt(wmp.version);
	return WMPPluginFound;
}

function detectPluginWMP() {
	// allow for multiple checks in a single pass
	var daPlugins = detectPluginWMP.arguments;
	// consider WMPPluginFound to be false until proven true
	var WMPPluginFound = false;
	// if plugins array is there and not fake
	if (navigator.plugins && navigator.plugins.length > 0) {
	var pluginsArrayLength = navigator.plugins.length;
	// for each plugin...
	for (pluginsArrayCounter=0; pluginsArrayCounter < pluginsArrayLength; pluginsArrayCounter++ ) {
		// loop through all desired names and check each against the current plugin name
		var numFound = 0;
		for(namesCounter=0; namesCounter < daPlugins.length; namesCounter++) {
		// if desired plugin name is found in either plugin name or description
		if( (navigator.plugins[pluginsArrayCounter].name.indexOf(daPlugins[namesCounter]) >= 0) || 
			(navigator.plugins[pluginsArrayCounter].description.indexOf(daPlugins[namesCounter]) >= 0) ) {
			// this name was found
			numFound++;
		}   
		}
		// now that we have checked all the required names against this one plugin,
		// if the number we found matches the total number provided then we were successful
		if(numFound == daPlugins.length) {
		WMPPluginFound = true;
		// if we've found the plugin, we can stop looking through at the rest of the plugins
		break;
		}
	}
	}
	return WMPPluginFound;
} // detectPluginWMP


// Here we write out the VBScript block for MSIE Windows
if ((navigator.userAgent.indexOf('MSIE') != -1) && (navigator.userAgent.indexOf('Win') != -1)) {
	document.writeln('<script language="VBscript">');

	document.writeln('\'do a one-time test for a version of VBScript that can handle this code');
	document.writeln('detectableWithVB = False');
	document.writeln('If ScriptEngineMajorVersion >= 2 then');
	document.writeln('  detectableWithVB = True');
	document.writeln('End If');

	document.writeln('\'this next function will detect most plugins');
	document.writeln('Function detectActiveXControl(activeXControlName)');
	document.writeln('  on error resume next');
	document.writeln('  detectActiveXControl = False');
	document.writeln('  If detectableWithVB Then');
	document.writeln('     detectActiveXControl = IsObject(CreateObject(activeXControlName))');
	document.writeln('  End If');
	document.writeln('End Function');

	document.writeln('</scr' + 'ipt>');
}