Need Help/Info, Please!...regarding Jars & Gifs

Have a problem, sure could use some help :)
1st, Some Details:
1) Running on IE 5.0 and Netscape 6.2, both using java 1.4 plug-in.
2) Reading applet off of server, policy permissions on for filePermission read all and runtime thread permissions
3) All my files are in http://IPaddress/directory1/directory2 and include my applet classes and my jar files
4) several Jar files contain classes and one contains gif images. also have a directory with gif images.
2nd, The Problem:
I need to read gif image from directory (ex, images/*.gif) and set them up as labels. Tried using the following code to access directory and the buttons work, but no picture.
JButton zoomin = new JButton(new ImageIcon("images/zoomin.gif"));
JButton fullext = new JButton(new ImageIcon("images/fullextent.gif"));
JButton identify = new JButton(new ImageIcon("images/identify.gif"));
JButton btn = new JButton(new ImageIcon("images/addtheme.gif"));
So had to use the URL way to do it:
URL url1 = getURL("/images/zoomin.gif");
URL url2 = getURL("/images/fullextent.gif");
URL url3 = getURL("/images/identify.gif");
URL url4 = getURL("/images/addtheme.gif");
JButton zoomin = new JButton(new ImageIcon(url1));
JButton fullext = new JButton(new ImageIcon(url2));
JButton identify = new JButton(new ImageIcon(url3));
JButton btn = new JButton(new ImageIcon(url4));
It now works. Unfortunately, I call a function (ex, makeToolBar()) from a class in one of my jar files. This function calls other function within the jar files and so on, to create a very elaborate tool bar. It gets the images from this tool bar using the relative address and not the URL. Is there anyway to fix this so the images will show up on this new tool bar?
ps, here is the HTML info:
<html>
<head>
</head>
<body>
<applet
codebase = "http://IP/directory1/directory2"
code="Applet.class"
archive="num1.jar,num2.jar,num3.jar,num4.jar,images.jar"
width=600 height=600>
</applet>
</body>
</html>

Don't put all the JAR files into one big JAR file!
You can have as many JAR files as you like. There's no (noticeable) size limit on a JAR. Put it this way - your JAR's gonna be no bigger than all the class files in it.
You don't have to have one for your Applet, but there are often compelling reasons to do so.
For a start, a browser will make a connection to the server for every class it needs to download. If you've got a lot of classes then that's a lot of overhead connecting and disconnecting with the server. A JAR file contains the same information and only requires one connection. That's an improvement for a start. Your JAR can be compressed too, thereby reducing the download time for the Applet. That can't be bad either.
If you put the images in with the code (or even in a separate JAR) then they can be loaded as local resources (from the JAR) without having to know about where the Applet came from.
Basically you're telling the JVM that there's some resources it should know about (eg, images.jar) and that if it gets asked for some sort of resource (a class file, an image, a text file, anything) then it should look in that JAR too.
Working with resources from the classpath is an absolute godsend once you've mastered it - no more having to hardcode directories!
If you're still having trouble with this then just keep posting.
Hope this helps.

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Hi,
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Need Help/Info, Please!...regarding Jars & Gifs

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