/*
Plugin Detector()

Source: Webmonkey Code Library
(http://www.hotwired.com/webmonkey/javascript/code_library/)

Author: Nadav Savio
Author Email: webmonkey@giantant.com

*/

// this is where we write out the VBScript for MSIE Windows
var WM_startTagFix = '</';
var msie_windows = 0;
if ((navigator.userAgent.indexOf('MSIE') != -1) && (navigator.userAgent.indexOf('Win') != -1)){
	msie_windows = 1;
	document.writeln('<script language="VBscript">');
	document.writeln('\'This will scan for plugins for all versions of Internet Explorer that have a VBscript engine version 2 or greater.');
	document.writeln('\'This includes all versions of IE4 and beyond and some versions of IE 3.');
	document.writeln('Dim WM_detect_through_vb');
	document.writeln('WM_detect_through_vb = 0');
	document.writeln('If ScriptEngineMajorVersion >= 2 then');
	document.writeln('  WM_detect_through_vb = 1');
	document.writeln('End If');
	document.writeln('Function WM_activeXDetect(activeXname)');
	document.writeln('  on error resume next');
	document.writeln('  If ScriptEngineMajorVersion >= 2 then');
	document.writeln('     WM_activeXDetect = False');
	document.writeln('     WM_activeXDetect = IsObject(CreateObject(activeXname))');
	document.writeln('     If (err) then');
	document.writeln('        WM_activeXDetect = False');
	document.writeln('     End If');
	document.writeln('   Else');
	document.writeln('     WM_activeXDetect = False');
	document.writeln('   End If');
	document.writeln('End Function');
	document.writeln(WM_startTagFix+'script>');
}


function WM_pluginDetect(plugindescription, pluginxtension, pluginmime, activeXname){

	//This script block will test all user agents that have a real plug-in array
	//(i.e. Netscape) and set the variables, otherwise it directs the routine
	// to WM_activeXDetect to detect the activeX control.

	// First define some variables
	var i,plugin_undetectable=0,detected=0, daPlugin=new Object();

	// Then we check to see if it's an MSIE browser that you can actually
	// check for the plugin in question. 
	if (msie_windows && WM_detect_through_vb){
		plugin_undetectable = 0;
	} else {
		plugin_undetectable = 1;
	}



	// If it has a real plugins or mimetypes array, we look there for the plugin first
	if (navigator.plugins) {
		numPlugins = navigator.plugins.length;
		if (numPlugins > 1) {
			if (navigator.mimeTypes && navigator.mimeTypes[pluginmime] && navigator.mimeTypes[pluginmime].enabledPlugin && (navigator.mimeTypes[pluginmime].suffixes.indexOf(pluginxtension) != -1)) {
				// seems like we have it, let's just make sure and check the version (if specified)
				if ((navigator.appName == 'Netscape') && (navigator.appVersion.indexOf('4.0') != -1)) {
					// stupid, stupid Netscape can't handle the references to navigator.plugins by number, sooo...
					for (i in navigator.plugins) {
			      		if ((navigator.plugins[i].description.indexOf(plugindescription) != -1) || (i.indexOf(plugindescription) != -1)) {
							// some versions of quicktime have no description. feh!
							detected=1;
							break;
			    		}
			  		}
		      	} else {
					for (i = 0; i < numPlugins; i++) {
						daPlugin = navigator.plugins[i];
						if ((daPlugin.description.indexOf(plugindescription) != -1) || (daPlugin.name.indexOf(plugindescription) != -1)) {
							detected=1;
							break;
			      		}
			  		}
				}

				// Mac weirdness
				if (navigator.mimeTypes[pluginmime] == null) {
					detected = 0;
		      	}
			}
	  		return detected;
		} else if ((msie_windows == 1) && !plugin_undetectable) {
			return WM_activeXDetect(activeXname);
		} else { 		
			return 0;
		}
	} else {
    	return 0;
	}
}


// this next function just makes it easy to detect the common plugins

function WM_easyDetect(whichPlugin) {

    // this function just makes it easy to do basic plug-in detection without
    // knowing all the mimetypes and activeX names and such
    
	var isItThere = 0;
    if ( (whichPlugin == 'flash') || (whichPlugin == 'Flash') ) {
		isItThere = WM_pluginDetect('Flash', 'swf', 'application/x-shockwave-flash', 'ShockwaveFlash.ShockwaveFlash');
    } else if( (whichPlugin == 'director') || (whichPlugin == 'Director') ) {
		isItThere = WM_pluginDetect('Shockwave', 'dcr', 'application/x-director', 'SWCtl.SWCtl.1');
    } else if( (whichPlugin == 'quicktime') || (whichPlugin == 'Quicktime') || (whichPlugin == 'QuickTime') ) {
		isItThere = WM_pluginDetect('QuickTime', 'mov', 'video/quicktime', '');
    } else if( (whichPlugin == 'realaudio') || (whichPlugin == 'Realaudio') || (whichPlugin == 'RealAudio') ) {
		isItThere = (WM_pluginDetect('RealPlayer', 'rpm', 'audio/x-pn-realaudio-plugin', 'RealPlayer.RealPlayer(tm) ActiveX Control (32-bit)')) || (WM_pluginDetect('RealPlayer', 'rpm', 'audio/x-pn-realaudio-plugin','rmocx.RealPlayer G2 Control')) || (WM_pluginDetect('RealPlayer', 'rpm', 'audio/x-pn-realaudio-plugin','RealPlayer.RealPlayer(tm) ActiveX Control (32-bit)')) || (WM_pluginDetect('RealPlayer', 'rpm', 'audio/x-pn-realaudio-plugin','RealVideo.RealVideo(tm) ActiveX Control (32-bit)'))
    } else {
		alert('You need to tell me which plug-in to look for, like so:\n\n' + '          WM_easyDetect(\'flash\')\n\n' + '          WM_easyDetect(\'director\')\n\n' + '          WM_easyDetect(\'quicktime\')\n\n' + '          WM_easyDetect(\'realaudio\')');
    }
    return isItThere;
}





// -->