The <APPLET> Tag

<APPLET CODEBASE=../bin CODE=WebEQ.class HEIGHT=150 WIDTH=200 ALIGN=MIDDLE>
<PARAM NAME=size VALUE=24>
<PARAM NAME=color VALUE=0xffffff>
<PARAM NAME=href VALUE="../welcome.html">
<PARAM NAME=line1 VALUE="&sum_j=1_^&infty;^ <BOX> 1 <OVER>">
<PARAM NAME=line1 VALUE="2^j^ </BOX>">
<APPLET>

• CODEBASE -- the codebase specifies the directory on your system where you installed WebEQ. If you refer to a common WebEQ directory from a collection of related pages, Netscape seems to do a better job of caching the necessary class files, minimizing download delays.

• CODE -- the name of the main WebEQ class file.

• HEIGHT, WIDTH, ALIGN -- these are the standard HTML IMG tag parameters. They determine the size and placement of the WebEQ applet window. Unfortunately, Netscape does not allow an applet to retsize itself dynamically. However, when the WebEQ applet is initialized, it will write the dimensions of its bounding box to the Java console. When designing web pages, an author can go back and edit the height and width to match the bounding box. This is useful in conjunction with ALIGN=MIDDLE for in-line equations. WebEQ places the baseline of the equation on the centerline of the applet window (of the appropiate dimensions) thus enabling fairly reasonable in-line equation placement.

• color -- this parameter controls the applet background color. The color is specified in the form 0xrrggbb where rr, gg, bb are two hexidecimal digits specifying the red, green and blue color values.

• size -- this parameter controls the base point size of the equation. In a perfect world, Netscape would allow an applet to query the browser to determine the user selected ambient pointsize. We don't live in a perfect world. The allowable choices are 8,10,12,14,16,18,24 and 36. Other values are rounded.

• href -- this parameter specifies a URL link for the expression. That is, when the reader clicks on the expression, the browser will load that page. The URL is relative to the location of the current document, or an absolute URL beginning "http://".

• line1, line2, etc -- WebEQ will accept any number of lines of HTML input. Each must be sequentially numbered.

Comments to: rminer@geom.umn.edu
Created: Fri Sep 8 11:39:00 1995 --- Last modified: Thu Mar 28 11:26:20 1996