JNLP FILE WILL NOT OPEN!?

Hello everyone. I am a student and i am taking an online course which has tutorials in JNLP files. They are recordings and i have java installed but i keep getting a error when i try to open them.

<?xml version="1.0" encoding="utf-8"?>

<!-- JNLP File for Elluminate Live! application -->

<jnlp

spec="1.0+"

codebase="http://elive.rvlc.ab.ca/elmcontrol/lib/9.5%22%3E

<information>

<title>Elluminate Live!</title>

<vendor>Elluminate Inc.</vendor>

<description>Virtual Classroom</description>

<icon href="elive128.gif"/>

</information>

<security>

<all-permissions/>

</security>

<resources>

<property name="apple.laf.useScreenMenuBar" value="true"/>

<property

name="apple.awt.window.position.forceSafeProgrammaticPositioning"

value="false"/>

<property name="jnlp.packEnabled" value="true"/>

<j2se version="1.5+" java-vm-args="-Xincgc" initial-heap-size="32m" max-heap-size="96m"/>

<jar href="eLiveFull.jar" main="true"/>

<jar href="eLive.jar"/>

<jar href="eNet.jar"/>

<jar href="iText.jar"/>

<jar href="jdom.jar"/>

<jar href="JimiProClasses.jar"/>

<jar href="vcAgenda.jar"/>

<jar href="vcAppShare.jar"/>

<jar href="vcAudio.jar"/>

<jar href="vcBreakout.jar"/>

<jar href="vcCalculator.jar"/>

<jar href="vcCaption.jar"/>

<jar href="vcChair.jar"/>

<jar href="vcDirectMsg.jar"/>

<jar href="vcHand.jar"/>

<jar href="vcMultimedia.jar"/>

<jar href="vcNotes.jar"/>

<jar href="vcPlayer.jar"/>

<jar href="vcParticipant.jar"/>

<jar href="vcPolling.jar"/>

<jar href="vcPresentation.jar"/>

<jar href="vcProfile.jar"/>

<jar href="vcQuiz.jar"/>

<jar href="vcRecorder.jar"/>

<jar href="vcStartTime.jar"/>

<jar href="vcTelephony.jar"/>

<jar href="vcTimer.jar"/>

<jar href="vcTransfer.jar"/>

<jar href="vcVideo.jar"/>

<jar href="vcWebPush.jar"/>

<jar href="vcWhiteboard.jar"/>

</resources>

<resources os="Mac\ OS\ X" arch="ppc">

<nativelib href="vcPlatformMacOSXppc.jar"/>

<nativelib href="vcAudioMacOSXppc.jar"/>

<nativelib href="vcBrowserMacOSXppc.jar"/>

</resources>

<resources os="Mac\ OS\ X" arch="i386">

<nativelib href="vcPlatformMacOSXx86.jar"/>

<nativelib href="vcAudioMacOSXx86.jar"/>

<nativelib href="vcBrowserMacOSXx86.jar"/>

</resources>

<resources os="Mac\ OS\ X" arch="x86_64">

<nativelib href="vcPlatformMacOSXx8664.jar"/>

<nativelib href="vcAudioMacOSXx8664.jar"/>

<nativelib href="vcBrowserMacOSXx8664.jar"/>

</resources>

<resources os="Windows">

<nativelib href="vcPlatformWin.jar"/>

<nativelib href="vcAudioWin.jar"/>

<jar href="vcBrowserWin.jar"/>

</resources>

<resources os="SunOS" arch="sparc">

<nativelib href="vcPlatformSolSparc.jar"/>

<nativelib href="vcAudioSolSparc.jar"/>

</resources>

<resources os="SunOS" arch="x86 i386">

<nativelib href="vcPlatformSolX86.jar"/>

<nativelib href="vcAudioSolX86.jar"/>

</resources>

<resources os="Linux" arch="i386 x86">

<nativelib href="vcPlatformLin.jar"/>

<nativelib href="vcAudioLin.jar"/>

</resources>

<resources os="Linux" arch="x86_64 amd64">

<nativelib href="vcPlatformLinx8664.jar"/>

<nativelib href="vcAudioLinx8664.jar"/>

</resources>

<resources>

<jar href="vcImages.jar"/>

</resources>

<application-desc main-class="com.elluminate.live.full.Main">

<argument>-session</argument>

<argument>Player</argument>

<argument>-play</argument>

<argument>http://elive.rvlc.ab.ca/MATH-SH/load_recording.eve...

</application-desc>

</jnlp>

CAN SOMEONE PLEASE HELP!