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Frequently Asked Question #5
Question: Do the HM files have to be in the same directory as
the HTML page that uses them? I want to have the files in one directory accessible
from my whole site.
Answer: No they do not, and in fact we strongly recommend
that you place your HM scripts and images all in centralized directories. You can keep
these files all in centralized directories as long as you indicate to HM where the
directories are and "load" the files from these directories.
Unlike many other scripts, HM has an external script (HM_Loader.js)
loading other external scripts (HM_Config.js and HMScriptxxx.js.)
HM_Loader.js is loaded into your HTML page with a tag that looks
similar to--if not exactly like--this one:
<script language="JavaScript1.2"
src="/hm/scripts/HM_Loader.js"
type='text/javascript'></script>
In HierMenus version 6, you can tell HierMenus where to find the
scripts, configuration files, and images on your system using the
HM_ScriptDir,
HM_ConfigDir, and
HM_ImageDir global
parameters. HM_ScriptDir and HM_ImageDir are also available
in HierMenus version 5. If you are using one of these two versions, refer
to the appropriate links below and skip the remainder of this discussion.
(You're welcome to read it if you're interested in learning about the
HM Loading mechanism; but the actual techniques described will be unnecessary
for you.)
Version 5
Setup Instructions, Step 2
Version 6
Setup Instructions, Step 1
HM_ScriptDir
HM_ConfigDir
HM_ImageDir
Version 4.x Instructions
In HM Version 4.x, you can edit HM_Loader.js directly to tell it
where to find your script files. HM_Loader.js contains these statements
(below) to load the other scripts:
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if(HM_IsMenu) {
document.write("<SCR" + "IPT LANGUAGE='JavaScript1.2' SRC='HM_Arrays.js' TYPE='text/javascript'><\/SCR" + "IPT>");
document.write("<SCR" + "IPT LANGUAGE='JavaScript1.2' SRC='HM_Script"+ HM_BrowserString +".js' TYPE='text/javascript'><\/SCR" + "IPT>");
}
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For example, when we ran HierMenus version 4 In HierMenus CENTRAL, the
files that created the navigation menu were all stored in this directory:
http://www.webreference.com/dhtml/hiermenus/scripts/
With version 4 HM, every page that used HM loaded HM_Loader.js with
this syntax:
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<SCRIPT LANGUAGE="JavaScript1.2"
SRC="/dhtml/hiermenus/scripts/HM_Loader.js"
TYPE='text/javascript'></SCRIPT>
Alternately, we could of used:
<SCRIPT LANGUAGE="JavaScript1.2"
SRC="http://www.webreference.com/dhtml/hiermenus/scripts/HM_Loader.js"
TYPE='text/javascript'></SCRIPT>
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So far, so good. Most readers who have asked this FAQ load HM_Loader.js
correctly.
What is not immediately obvious, however, is that the other scripts are
not loaded into HM_Loader.js, but into the HTML page that originally
loaded HM_Loader.js. The contents of HM_Loader.js belong to the HTML
page, and therefore the path to the scripts must match the path used to load
HM_Loader.js:
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if(HM_IsMenu) {
document.write("<SCR" + "IPT LANGUAGE='JavaScript1.2' SRC='/dhtml/hiermenus/scripts/HM_Arrays.js' TYPE='text/javascript'><\/SCR" + "IPT>");
document.write("<SCR" + "IPT LANGUAGE='JavaScript1.2' SRC='/dhtml/hiermenus/scripts/HM_Script"+ HM_BrowserString +".js' TYPE='text/javascript'><\/SCR" + "IPT>");
}
or
if(HM_IsMenu) {
document.write("<SCR" + "IPT LANGUAGE='JavaScript1.2' SRC='http://www.webreference.com/dhtml/hiermenus/scripts/HM_Arrays.js' TYPE='text/javascript'><\/SCR" + "IPT>");
document.write("<SCR" + "IPT LANGUAGE='JavaScript1.2' SRC='http://www.webreference.com/dhtml/hiermenus/scripts/HM_Script"+ HM_BrowserString +".js' TYPE='text/javascript'><\/SCR" + "IPT>");
}
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In HM version 4, make sure the files loaded by HM_Loader.js have the
correct path and you can access them from any page on your site.
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