Tip

Calling A Javascript Routine From A Hotspot

It is amazingly easy to call a JavaScript routine from a text or graphic
hotspot, but you may not find this in any Lotus documentation. This uses the
javascript: psuedo-URL, which is described in the Link Object section of Danny
Goodman's JavaScript Bible. This can also be used to call JavaScript routine's
directly from the location bar for testing purposes also.
1. Declare your Javascript function somewhere near the top of the form (doesn't
have to be in HTMLHead, and the syntax is much easier using pass-thru HTML)
2. Mark your text or graphic area, and select Create...Hotspot...URL link
3. In the URL link box, type (without quotes): "javascript:void
functionname(parameters)"

That's it! This works whether or not the database uses the "Use Javascript
when generating pages option".

Example - to have a graphic button (Archive doc) pop up a dialog box to prompt
for a number, set a flag for the WebQuerySave agent, and save the document:

In pass-thru HTML:
&LTSCRIPT LANGUAGE="JavaScript">
function getArchiveNum ()
{
var ArchiveNum = prompt("Enter the archive number for this document: ", "
")
if (ArchiveNum != null) {
document.forms[0].ArchiveNum.value = ArchiveNum
document.forms[0].ArchiveNow.value = 1
document.forms[0].submit()
} else {
alert("The document cannot be archived without an archive number")
}
}
</script>

In the URL link box for the hotspot:
javascript:void getArchiveNum()

This was first published in November 2000

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