// JavaScript Document for www.schule.suedtirol.it
// scholionlogin part 1

		// Scholion - Login
		function login() { 
			document.getElementById('loginform').action = "https://pi.scholion.unibz.it/scholion_PI/servlet/mainservlet?cl=Login&method=checkLogin";
			document.getElementById('loginform').submit();
		}
		
		var userip = '<!--#echo var="REMOTE_ADDR"-->'
		window.onerror = {};
		var javascriptVersion1_1 = false;
		var detectableWithVB = false;
		var pluginFound = false;

		function goURL(daURL) {
				// if the browser can do it, use replace to preserve back button
				if(javascriptVersion1_1) {
			window.location.replace(daURL);
				} else {
			window.location = daURL;
				}
				return;
		}

		function redirectCheck(pluginFound, redirectURL, redirectIfFound) {
				// check for redirection
				if( redirectURL && ((pluginFound && redirectIfFound) || 
			(!pluginFound && !redirectIfFound)) ) {
			// go away
			goURL(redirectURL);
			return pluginFound;
				} else {
			// stay here and return result of plugin detection
			return pluginFound;
				}	
		}
		
		// plugin-detecton disabled (to many alerts in IE7)
		// mod. by ngrhldm24@schule.suedtirol.it 20070507
		function canDetectPlugins() {
			return false;
		}
		
		// renamed original version
		function _canDetectPlugins() {
				if( detectableWithVB || (navigator.plugins && navigator.plugins.length > 0) ) {
			return true;
				} else {
			return false;
				}
		}
		
		function detectFlash(redirectURL, redirectIfFound) {
				pluginFound = detectPlugin('Shockwave','Flash'); 
				// if not found, try to detect with VisualBasic
				if(!pluginFound && detectableWithVB) {
			pluginFound = detectActiveXControl('ShockwaveFlash.ShockwaveFlash.1');
				}
				// check for redirection
				return redirectCheck(pluginFound, redirectURL, redirectIfFound);
		}
		
		function detectDirector(redirectURL, redirectIfFound) { 
				pluginFound = detectPlugin('Shockwave','Director'); 
				// if not found, try to detect with VisualBasic
				if(!pluginFound && detectableWithVB) {
			pluginFound = detectActiveXControl('SWCtl.SWCtl.1');
				}
				// check for redirection
				return redirectCheck(pluginFound, redirectURL, redirectIfFound);
		}
		
		function detectQuickTime(redirectURL, redirectIfFound) {
				pluginFound = detectPlugin('QuickTime');
				// if not found, try to detect with VisualBasic
				if(!pluginFound && detectableWithVB) {
			pluginFound = detectQuickTimeActiveXControl();
				}
				return redirectCheck(pluginFound, redirectURL, redirectIfFound);
		}
		
		function detectReal(redirectURL, redirectIfFound) {
				pluginFound = detectPlugin('RealPlayer');
				// if not found, try to detect with VisualBasic
				if(!pluginFound && detectableWithVB) {
			pluginFound = (detectActiveXControl('rmocx.RealPlayer G2 Control') ||
							 detectActiveXControl('RealPlayer.RealPlayer(tm) ActiveX Control (32-bit)') ||
							 detectActiveXControl('RealVideo.RealVideo(tm) ActiveX Control (32-bit)'));
				}	
				return redirectCheck(pluginFound, redirectURL, redirectIfFound);
		}
		
		function detectWindowsMedia(redirectURL, redirectIfFound) {
				pluginFound = detectPlugin('Windows Media');
				// if not found, try to detect with VisualBasic
				if(!pluginFound && detectableWithVB) {
			pluginFound = detectActiveXControl('MediaPlayer.MediaPlayer.1');
				}
				return redirectCheck(pluginFound, redirectURL, redirectIfFound);
		}

		function detectPlugin() {
			// allow for multiple checks in a single pass
			var daPlugins = detectPlugin.arguments;
			// consider pluginFound to be false until proven true
			var pluginFound = 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) {
				pluginFound = true;
				// if we've found the plugin, we can stop looking through at the rest of the plugins
				break;
			}
			}
				}
				return pluginFound;
		} // detectPlugin
		
		
		// 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('\'and the following function handles QuickTime');
				document.writeln('Function detectQuickTimeActiveXControl()');
				document.writeln('  on error resume next');
				document.writeln('  detectQuickTimeActiveXControl = False');
				document.writeln('  If detectableWithVB Then');
				document.writeln('    detectQuickTimeActiveXControl = False');
				document.writeln('    hasQuickTimeChecker = false');
				document.writeln('    Set hasQuickTimeChecker = CreateObject("QuickTimeCheckObject.QuickTimeCheck.1")');
				document.writeln('    If IsObject(hasQuickTimeChecker) Then');
				document.writeln('      If hasQuickTimeChecker.IsQuickTimeAvailable(0) Then ');
				document.writeln('        detectQuickTimeActiveXControl = True');
				document.writeln('      End If');
				document.writeln('    End If');
				document.writeln('  End If');
				document.writeln('End Function');
		
				document.writeln('</scr' + 'ipt>');
		}


