Re: How to inform web site visitor that Sun Java is required?

From:
Joshua Cranmer <Pidgeot18@verizon.net>
Newsgroups:
comp.lang.java.programmer
Date:
Thu, 21 Jun 2007 16:07:28 GMT
Message-ID:
<4nxei.2961$AR5.1439@trnddc06>
On Thu, 21 Jun 2007 07:41:20 -0700, Brcobrem wrote:

Re: How to inform web site visitor that Sun Java is required?

Hi,

I hope this is the correct forum to make this post. If not, please let
me know.

I am by no means an expert html coder, but I can do enough to get small
jobs done. That said, I have a number of relatively simple web sites
that I developed (with FrontPage 2003) that require Java to display
certain components correctly. Is there some html code that I can insert
that would check if the user has Sun Java installed, and if they do not,
provide some kind of visual indication (perhaps a pop-up box) as
how/where to get Sun Java?

Thank you in advance your help on this.

Regards,
Brcobrem


There is no HTML you could write, but there is some JavaScript:

function checkSunJava() {
    if (java.lang.System.getProperty("java.vendor").indexOf("Sun") != 0)
        alert('This page requires Sun Java.');
}

Alternatively, if your requirement is merely that the person needs Java,
this should (untested) work:

<applet ...> <!-- Or object or whatever -->
This page requires Java to work properly.
</applet>

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