Applet will not run on webSite

I have an applet someone wrote for me back in 2004. I am trying to get it to work on my website but it doesnt load. It works on my computer but not when i load it on web server and try to run it from my website If I use this code:


<applet name="LoanCalculator"
code="MWLoan.Loan.class"
archive="LoanCalculator.jar, jakarta-poi-1.5.1-final-20020615.jar"
width=10 height=10>
</applet>I goes as far as a java security warning pop up and then thats it


If I try and go this route using embed:


Code:
<embed id="LoanCalculator"
type="application/x-java-applet;version=1.6"
width="256" height="256"
archive="LoanCalculator.jar, jakarta-poi-1.5.1-final-20020615.jar"
code="MWLoan.Loan.class"
pluginspage="http://java.com/download/"
myParam="My Param Value" />

it gives me a ClassNotFoundException error

MWLoan.Loan.class could not be found


Can someone point me in the right direction of what I am doing wrong. Or how to trouble shoot this, Thank you