var deployJava={
	debug:null, 
	myInterval:null, 
	preInstallJREList:null, 
	returnPage:null, 
	brand:null, 
	locale:null, 
	installType:null, 
	EAInstallEnabled:false, 
	EarlyAccessURL:null, 
	getJavaURL:'http://java.sun.com/webapps/getjava/BrowserRedirect?host=java.com', 
	appleRedirectPage:'http://www.apple.com/support/downloads/', 
	oldMimeType:'application/npruntime-scriptable-plugin;DeploymentToolkit', 
	mimeType:'application/java-deployment-toolkit', 
	launchButtonPNG:'http://java.sun.com/products/jfc/tsc/articles/swing2d/webstart.png', 

	getJREs:function(){

		var list=new Array();

		if(deployJava.isPluginInstalled()){

			var plugin=deployJava.getPlugin();
			var VMs=plugin.jvms;

			for(var i=0;i<VMs.getLength();i++){
				list[i]=VMs.get(i).version;
			}
		}else{
			var browser=deployJava.getBrowser();

			if(browser=='MSIE'){

				if(deployJava.testUsingActiveX('1.8.0')){
					list[0]='1.8.0';
				}else if(deployJava.testUsingActiveX('1.7.0')){
					list[0]='1.7.0';
				}else if(deployJava.testUsingActiveX('1.6.0')){
					list[0]='1.6.0';
				}else if(deployJava.testUsingActiveX('1.5.0')){
					list[0]='1.5.0';
				}else if(deployJava.testUsingActiveX('1.4.2')){
					list[0]='1.4.2';
				}else if(deployJava.testForMSVM()){
					list[0]='1.1';
				}

			}else if(browser=='Netscape Family'){

				if(deployJava.testUsingMimeTypes('1.8')){
					list[0]='1.8.0';
				}else if(deployJava.testUsingMimeTypes('1.7')){
					list[0]='1.7.0';
				}else if(deployJava.testUsingMimeTypes('1.6')){
					list[0]='1.6.0';
				}else if(deployJava.testUsingMimeTypes('1.5')){
					list[0]='1.5.0';
				}else if(deployJava.testUsingMimeTypes('1.4.2')){
					list[0]='1.4.2';
				}

			}else if(browser=='Safari'){

				if(deployJava.testUsingPluginsArray('1.8.0')){
					list[0]='1.8.0';
				}else if(deployJava.testUsingPluginsArray('1.7.0')){
					list[0]='1.7.0';
				}else if(deployJava.testUsingPluginsArray('1.6.0')){
					list[0]='1.6.0';
				}else if(deployJava.testUsingPluginsArray('1.5.0')){
					list[0]='1.5.0';
				}else if(deployJava.testUsingPluginsArray('1.4.2')){
					list[0]='1.4.2';
				}
			}

		}

		if(deployJava.debug){

			for(var i=0;i<list.length;++i){

				alert('We claim to have detected Java SE '+list[i]);

			}
		}

		return list;

	},

	installJRE:function(requestVersion){

		var ret=false;

		if(deployJava.isPluginInstalled()){

			if(deployJava.getPlugin().installJRE(requestVersion)){

				deployJava.refresh();

				if(deployJava.returnPage!=null){

					document.location=deployJava.returnPage;

				}

				return true;

			}else{

				return false;

			}

		}else{

			return deployJava.installLatestJRE();

		}

	},

	installLatestJRE:function(){

		if(deployJava.isPluginInstalled()){

			if(deployJava.getPlugin().installLatestJRE()){

				deployJava.refresh();

				if(deployJava.returnPage!=null){

					document.location=deployJava.returnPage;

				}

				return true;

			}else{

				return false;

			}

		}else{

			var browser=deployJava.getBrowser();
			var platform=navigator.platform.toLowerCase();

			if((deployJava.EAInstallEnabled=='true')&&(platform.indexOf('win')!=-1)&&(deployJava.EarlyAccessURL!=null)){

				deployJava.preInstallJREList=deployJava.getJREs();

				if(deployJava.returnPage!=null){

					deployJava.myInterval=setInterval("deployJava.poll()",3000);

				}

				location.href=deployJava.EarlyAccessURL;

				return false;

			}else{

				if(browser=='MSIE'){

					return deployJava.IEInstall();

				}else if((browser=='Netscape Family')&&(platform.indexOf('win32')!=-1)){

					return deployJava.FFInstall();

				}else{

					location.href=deployJava.getJavaURL+((deployJava.returnPage!=null)?('&returnPage='+
						deployJava.returnPage):'')+((deployJava.locale!=null)?('&locale='+
						deployJava.locale):'')+((deployJava.brand!=null)?('&brand='+
						deployJava.brand):'');

				}

				return false;

			}

		}

	},
	
	runApplet:function(attributes,parameters,minimumVersion){

		if(minimumVersion=='undefined'||minimumVersion==null){

			minimumVersion='1.1';

		}

		var regex="^(\\d+)(?:\\.(\\d+)(?:\\.(\\d+)(?:_(\\d+))?)?)?$";
		var matchData=minimumVersion.match(regex);

		if(deployJava.returnPage==null){

			deployJava.returnPage=document.location;

		}

		if(matchData!=null){

			var browser=deployJava.getBrowser();

			if((browser!='?')&&(browser!='Safari')){

				if(deployJava.versionCheck(minimumVersion+'+')){

					deployJava.writeAppletTag(attributes,parameters);

				}else if(deployJava.installJRE(minimumVersion+'+')){

					deployJava.refresh();

					location.href=document.location;

					deployJava.writeAppletTag(attributes,parameters);

				}

			}else{

				deployJava.writeAppletTag(attributes,parameters);

			}

		}else{

			if(deployJava.debug){

				alert('Invalid minimumVersion argument to runApplet():'+minimumVersion);

			}

		}

	},

	writeAppletTag:function(attributes,parameters){

		var s='<'+'applet ';

		for(var attribute in attributes){

			s+=(' '+attribute+'="'+attributes[attribute]+'"');

		}

		s+='>';

		document.write(s);

		if(parameters!='undefined'&&parameters!=null){

			var codebaseParam=false;

			for(var parameter in parameters){

				if(parameter=='codebase_lookup'){

					codebaseParam=true;

				}

				s='<param name="'+parameter+'" value="'+
				parameters[parameter]+'">';document.write(s);

			}
	
			if(!codebaseParam){

				document.write('<param name="codebase_lookup" value="false">');

			}

		}

		document.write('<'+'/'+'applet'+'>');

	},

	versionCheck:function(versionPattern){

		var index=0;
		var regex="^(\\d+)(?:\\.(\\d+)(?:\\.(\\d+)(?:_(\\d+))?)?)?(\\*|\\+)?$";
		var matchData=versionPattern.match(regex);

		if(matchData!=null){

			var familyMatch=true;
			var patternArray=new Array();

			for(var i=1;i<matchData.length;++i){

				if((typeof matchData[i]=='string')&&(matchData[i]!='')){

					patternArray[index]=matchData[i];index++;

				}

			}

			if(patternArray[patternArray.length-1]=='+'){

				familyMatch=false;
				patternArray.length--;

			}else{

				if(patternArray[patternArray.length-1]=='*'){

					patternArray.length--;

				}

			}

			var list=deployJava.getJREs();

			for(var i=0;i<list.length;++i){

				if(deployJava.compareVersionToPattern(list[i],patternArray,familyMatch)){

					return true;

				}

			}

			return false;

		}else{

			alert('Invalid versionPattern passed to versionCheck: '+versionPattern);

			return false;

		}

	},

	isWebStartInstalled:function(minimumVersion){

		var browser=deployJava.getBrowser();

		if((browser=='?')||(browser=='Safari')){

			return true;

		}

		if(minimumVersion=='undefined'||minimumVersion==null){

			minimumVersion='1.4.2';

		}

		var retval=false;
		var regex="^(\\d+)(?:\\.(\\d+)(?:\\.(\\d+)(?:_(\\d+))?)?)?$";
		var matchData=minimumVersion.match(regex);

		if(matchData!=null){

			retval=deployJava.versionCheck(minimumVersion+'+');

		}else{

			if(deployJava.debug){

				alert('Invalid minimumVersion argument to isWebStartInstalled(): '+minimumVersion);

			}

			retval=deployJava.versionCheck('1.4.2+');

		}

		return retval;

	},

	createWebStartLaunchButton:function(jnlp,minimumVersion){

		if(deployJava.returnPage==null){

			deployJava.returnPage=jnlp;

		}

		var url='javascript:'+'if (!deployJava.isWebStartInstalled(&quot;'+
			minimumVersion+'&quot;)) {'+'if (deployJava.installLatestJRE()) {'+
			'if (deployJava.launch(&quot;'+jnlp+'&quot;)) {}'+'}'+'} else {'+
			'if (deployJava.launch(&quot;'+jnlp+'&quot;)) {}'+'}';
			
		document.write('<'+'a href="'+url+'" onMouseOver="window.status=\'\'; '+
			'return true;"><'+'img '+'src="'+deployJava.launchButtonPNG+'" '+
			'border="0" /><'+'/'+'a'+'>');
	},

	launch:function(jnlp){

		if(deployJava.isPluginInstalled()){

			return deployJava.getPlugin().launch(jnlp);

		}else{

			document.location=jnlp;return true;

		}

	},

	isPluginInstalled:function(){

		var plugin=deployJava.getPlugin();

		if(plugin&&plugin.jvms){

			return true;

		}else{

			return false;

		}

	},

	isAutoUpdateEnabled:function(){

		if(deployJava.isPluginInstalled()){

			return deployJava.getPlugin().isAutoUpdateEnabled();

		}

		return false;

	},

	setAutoUpdateEnabled:function(){

		if(deployJava.isPluginInstalled()){

			return deployJava.getPlugin().setAutoUpdateEnabled();

		}

		return false;

	},

	setInstallerType:function(type){

		deployJava.installType=type;

		if(deployJava.isPluginInstalled()){

			return deployJava.getPlugin().setInstallerType(type);

		}

		return false;

	},
	
	setAdditionalPackages:function(packageList){

		if(deployJava.isPluginInstalled()){

			return deployJava.getPlugin().setAdditionalPackages(packageList);

		}

		return false;

	},

	setEarlyAccess:function(enabled){

		deployJava.EAInstallEnabled=enabled;

	},

	isPlugin2:function(){

		if(deployJava.isPluginInstalled()){

			if(deployJava.versionCheck('1.6.0_10+')){

				try{

					return deployJava.getPlugin().isPlugin2();

				}catch(err){

				}

			}

		}

		return false;

	},

	getPlugin:function(){

		deployJava.refresh();

		var ret=document.getElementById('deployJavaPlugin');

		return ret;

	},

	compareVersionToPattern:function(version,patternArray,familyMatch){

		var regex="^(\\d+)(?:\\.(\\d+)(?:\\.(\\d+)(?:_(\\d+))?)?)?$";
		var matchData=version.match(regex);

		if(matchData!=null){

			var index=0;
			var result=new Array();

			for(var i=1;i<matchData.length;++i){

				if((typeof matchData[i]=='string')&&(matchData[i]!='')){

					result[index]=matchData[i];index++;

				}

			}

			var l=Math.min(result.length,patternArray.length);

			if(familyMatch){

				for(var i=0;i<l;++i){

					if(result[i]!=patternArray[i])return false;

				}

				return true;

			}else{

				for(var i=0;i<l;++i){

					if(result[i]<patternArray[i]){

						return false;

					}else if(result[i]>patternArray[i]){

						return true;

					}

				}

				return true;

			}

		}else{

			return false;

		}

	},

	getBrowser:function(){

		var browser=navigator.userAgent.toLowerCase();

		if(deployJava.debug){

			alert('userAgent -> '+browser);

		}

		if((navigator.vendor)&&(navigator.vendor.toLowerCase().indexOf('apple')!=-1)&&(browser.indexOf('safari')!=-1)){

			if(deployJava.debug){

				alert('We claim to have detected "Safari".');

			}

			return'Safari';

		}else if(browser.indexOf('msie')!=-1){

			if(deployJava.debug){

				alert('We claim to have detected "IE".');

			}

			return'MSIE';

		}else if((browser.indexOf('mozilla')!=-1)||(browser.indexOf('firefox')!=-1)){

			if(deployJava.debug){

				alert('We claim to have detected a Netscape family browser.');

			}

			return'Netscape Family';

		}else{

			if(deployJava.debug){

				alert('We claim to have failed to detect a browser.');

			}

			return'?';

		}

	},

	testUsingActiveX:function(version){

		var objectName='JavaWebStart.isInstalled.'+version+'.0';

		if(!ActiveXObject){

			if(deployJava.debug){

				alert('Browser claims to be IE, but no ActiveXObject object?');

			}

			return false;

		}

		try{

			return(new ActiveXObject(objectName)!=null);

		}catch(exception){

			return false;

		}

	},

	testForMSVM:function(){

		var clsid='{08B0E5C0-4FCB-11CF-AAA5-00401C608500}';

		if(typeof oClientCaps!='undefined'){

			var v=oClientCaps.getComponentVersion(clsid,"ComponentID");

			if((v=='')||(v=='5,0,5000,0')){

				return false;

			}else{

				return true;

			}

		}else{

			return false;

		}

	},

	testUsingMimeTypes:function(version){

		if(!navigator.mimeTypes){

			if(deployJava.debug){

				alert('Browser claims to be Netscape family, but no mimeTypes[] array?');

			}

			return false;

		}

		for(var i=0;i<navigator.mimeTypes.length;++i){

			s=navigator.mimeTypes[i].type;

			var m=s.match(/^application\/x-java-applet\x3Bversion=(1\.8|1\.7|1\.6|1\.5|1\.4\.2)$/);

			if(m!=null){

				if(deployJava.compareVersions(m[1],version)){

					return true;

				}

			}

		}

		return false;

	},

	testUsingPluginsArray:function(version){

		if((!navigator.plugins)||(!navigator.plugins.length)){

			return false;

		}

		var platform=navigator.platform.toLowerCase();

		for(var i=0;i<navigator.plugins.length;++i){

			s=navigator.plugins[i].description;

			if(s.search(/^Java Switchable Plug-in (Cocoa)/)!=-1){

				if(deployJava.compareVersions("1.5.0",version)){

					return true;

				}

			}else if(s.search(/^Java/)!=-1){

				if(platform.indexOf('win')!=-1){

					if(deployJava.compareVersions("1.5.0",version)||deployJava.compareVersions("1.6.0",version)){

						return true;

					}

				}

			}

		}

		if(deployJava.compareVersions("1.5.0",version)){

			return true;

		}

		return false;

	},

	IEInstall:function(){

		location.href=deployJava.getJavaURL+
			((deployJava.returnPage!=null)?('&returnPage='+deployJava.returnPage):'')+
			((deployJava.locale!=null)?('&locale='+deployJava.locale):'')+
			((deployJava.brand!=null)?('&brand='+deployJava.brand):'')+
			((deployJava.installType!=null)?('&type='+deployJava.installType):'');

		return false;

	},

	done:function(name,result){

	},

	FFInstall:function(){

		location.href=deployJava.getJavaURL+
			((deployJava.returnPage!=null)?('&returnPage='+deployJava.returnPage):'')+
			((deployJava.locale!=null)?('&locale='+deployJava.locale):'')+
			((deployJava.brand!=null)?('&brand='+deployJava.brand):'')+
			((deployJava.installType!=null)?('&type='+deployJava.installType):'');

		return false;

	},

	compareVersions:function(installed,required){

		var a=installed.split('.');
		var b=required.split('.');

		for(var i=0;i<a.length;++i){

			a[i]=Number(a[i]);

		}

		for(var i=0;i<b.length;++i){

			b[i]=Number(b[i]);

		}

		if(a.length==2){

			a[2]=0;

		}

		if(a[0]>b[0]){

			return true;

		}

		if(a[0]<b[0]){

			return false;

		}

		if(a[1]>b[1]){

			return true;

		}

		if(a[1]<b[1]){

			return false;
		
		}

		if(a[2]>b[2]){

			return true;
			
		}

		if(a[2]<b[2]){

			return false;

		}

		return true;

	},

	enableAlerts:function(){
		deployJava.debug=true;
	},

	poll:function(){

		deployJava.refresh();

		var postInstallJREList=deployJava.getJREs();

		if((deployJava.preInstallJREList.length==0)&&(postInstallJREList.length!=0)){

			clearInterval(deployJava.myInterval);

			if(deployJava.returnPage!=null){

				location.href=deployJava.returnPage;

			};

		}

		if((deployJava.preInstallJREList.length!=0)&&(postInstallJREList.length!=0)&&
			(deployJava.preInstallJREList[0]!=postInstallJREList[0])){

				clearInterval(deployJava.myInterval);

				if(deployJava.returnPage!=null){

					location.href=deployJava.returnPage;

				}

		}

	},

	writePluginTag:function(){

		var browser=deployJava.getBrowser();

		if(browser=='MSIE'){

			document.write('<'+'object classid="clsid:CAFEEFAC-DEC7-0000-0000-ABCDEFFEDCBA" '+
				'id="deployJavaPlugin" width="0" height="0">'+'<'+'/'+'object'+'>');

		}else if(browser=='Netscape Family'){

			deployJava.writeEmbedTag();

		}
	},

	refresh:function(){

		navigator.plugins.refresh(false);

		var browser=deployJava.getBrowser();

		if(browser=='Netscape Family'){

			var plugin=document.getElementById('deployJavaPlugin');

			if(plugin==null){

				deployJava.writeEmbedTag();

			}

		}

	},

	writeEmbedTag:function(){

		var written=false;

		if(navigator.mimeTypes!=null){

			for(var i=0;i<navigator.mimeTypes.length;i++){

				if(navigator.mimeTypes[i].type==deployJava.mimeType){

					if(navigator.mimeTypes[i].enabledPlugin){

						document.write('<'+'embed id="deployJavaPlugin" type="'+
							deployJava.mimeType+'" hidden="true" />');written=true;

					}

				}

			}

			if(!written){

				for(var i=0;i<navigator.mimeTypes.length;i++){

					if(navigator.mimeTypes[i].type==deployJava.oldMimeType){

						if(navigator.mimeTypes[i].enabledPlugin){

							document.write('<'+'embed id="deployJavaPlugin" type="'+
								deployJava.oldMimeType+'" hidden="true" />');

						}

					}

				}

			}

		}

	},

	do_initialize:function(){

		deployJava.writePluginTag();

		if(deployJava.locale==null){

			var loc=null;

			if(loc==null){

				try{

					loc=navigator.userLanguage;

				}catch(err){
		
				}

			}

			if(loc==null){
				try{

					loc=navigator.systemLanguage;

				}catch(err){

				}
		
			}

			if(loc==null){

				try{

					loc=navigator.language;

				}catch(err){
		
				}

			}

			if(loc!=null){

				loc.replace("-","_");

				deployJava.locale=loc;

			}

		}

	}

};

deployJava.do_initialize();