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I have a function that works perfectly in IE but not in Netscape 7...can anybody help?

Hi,

The following function works fine in IE but not in Netscape. Basically, if there is no 'Next' page a 'Close window' link appears instead of 'Next'. However in Netscape 'Next' and 'Close window' appear at the same time. Can anyone remedy this??

Note: There is no next page when curPage == "ppc6.htm" || curPage == "palmpc7.htm" || curPage == "palmmac7.htm"

The code is as follows:

var nav = new Object();
         
                                  nav["pda.htm"] = ["", ""];
              nav["palmpc1.htm"] = ["", ""];
              nav["palmpc3.htm"] = ["palmpc1.htm", "palmpc3a.htm"];
              nav["palmpc3a.htm"] = ["palmpc3.htm", "palmpc4.htm"];
                                  nav["palmpc4.htm"] = ["palmpc3a.htm", "palmpc5.htm"];
                                  nav["palmpc5.htm"] = ["palmpc4.htm", "palmpc6.htm"];
                                  nav["palmpc6.htm"] = ["palmpc5.htm", "palmpc7.htm"];
                                  nav["palmpc7.htm"] = ["palmpc6.htm", ""];
         
              nav["palmmac3.htm"] = ["palmpc1.htm", "palmmac3a.htm"];
              nav["palmmac3a.htm"] = ["palmmac3.htm", "palmmac4.htm"];
              nav["palmmac4.htm"] = ["palmmac3a.htm", "palmmac5.htm"];
                             nav["palmmac5.htm"] = ["palmmac4.htm", "palmmac6.htm"];
              nav["palmmac6.htm"] = ["palmmac5.htm", "palmmac7.htm"];
              nav["palmmac7.htm"] = ["palmmac6.htm", ""];
             
              nav["ppc1.htm"] = ["", ""];
              nav["ppc1a.htm"] = ["ppc1.htm", "ppc2.htm"];
              nav["ppc2.htm"] = ["ppc1.htm", "ppc3.htm"];
              nav["ppc3.htm"] = ["ppc2.htm", "ppc4.htm"];
              nav["ppc4.htm"] = ["ppc3.htm", "ppc5.htm"];
              nav["ppc5.htm"] = ["ppc4.htm", "ppc6.htm"];
              nav["ppc6.htm"] = ["ppc5.htm", ""];

var stoplimit = 20;
             
function checkNav()
{
               if (parent.content && parent.content.location && typeof next != "undefined" && typeof prev != "undefined")
               {
                    var curPage = parent.content.location.pathname;
                    curPage = curPage.replace(/\\/g, "/");
                    curPage = curPage.substring(curPage.lastIndexOf("/")+1);
                    next.style.visibility = (nav[curPage][1] ? "visible" : "hidden");
                    prev.style.visibility = (nav[curPage][0] ? "visible" : "hidden");
          closewin.style.display = (nav[curPage][1] ? "none" : "block");
          closewin.style.display = (curPage == "ppc6.htm" || curPage == "palmpc7.htm" || curPage == "palmmac7.htm" ? "block" : "none");
          stoplimit = 20;
               }
               else if (stoplimit)
                    setTimeout("checkNav()", 250);
               else
                    alert("error");
}
0
johnnyno
Asked:
johnnyno
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1 Solution
 
dorwardCommented:
You appear to be depending on IE's habbit of generating global variables as referneces to elements.

I'm guessing you have something like:

<div id="closewin"> and <div id="next">

Change references from: next.something, prev.something and closewin.something to document.getElementById('next').something etc.

e.g.                     prev.style.visibility = (nav[curPage][0] ? "visible" : "hidden");

to

                    document.getElementById('prev').style.visibility = (nav[curPage][0] ? "visible" : "hidden");
0
 
johnnynoAuthor Commented:
Hi dorward

I tried as you suggested but still no joy. You were right however regarding how i referred to the respective div tags...

thanks for your input
0
 
dorwardCommented:
Well, Netscape doesn't recognise them as global variables, so that will help. You probably have additional IE only stuff in there.

I suggest you type "javascript:" into the address bar so that you can see what, if any, errors are generated when you tr to run the script. Knowing what they are will help me find out what the problem is.
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johnnynoAuthor Commented:
Hi dorward

I think there's a problem with the following line of script

if (parent.content && parent.content.location && typeof next != "undefined" && typeof prev != "undefined")

as this is what is alerted in the debugger
               
0
 
dorwardCommented:
Try splitting it up to see what it is.

alert(parent.content)
alert(parent.content.location)
alert(typeof next)

and so one. Compare in IE and Mozilla.

It looks like you need to convert next to document.getElementById('next') and prev to document.etc.etc.etc also. (I'd do this before mucking about with alerts)
0
 
johnnynoAuthor Commented:
thanks dorward ur a star!!
0
 
dorwardCommented:
No problem. Good luck.
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