not sure about IE but I think you should check your next() method. The
array.length value is storing the next FREE value. Thus it does not contain
a URL. You should alter the code to check for:
if (this.historyLoc<this.historyLen-1)
"Williams, Chris" wrote:
> Hi There
>
> I am trying to create an extension to the LoadPanel widget that will
> keep the history of a LoadPanel and allow users to navigate 'back' and
> 'forward'. The code I have so far is:
>
> LoadPanel.prototype.InitialiseHistory=function() {
> this.history=new Array()
> this.historyLoc=-1
> this.historyLen=-1
> this.pnloc=1
> this.pnlen=1
> }
>
> LoadPanel.prototype.UpdateHistory=function() {
> this.historyLoc+=this.pnloc;
> this.historyLen+=this.pnlen;
> this.history[this.historyLoc] = this.getURL();
> this.pnloc=1;
> this.pnlen=1;
> }
>
> LoadPanel.prototype.Previous=function() {
> if (this.historyLoc>0) {
> this.pnloc=-1;
> this.pnlen=0;
> this.setURL(this.history[this.historyLoc-1]);
> }
> }
>
> LoadPanel.prototype.Next=function() {
> if (this.historyLoc<this.historyLen) {
> this.pnloc=1;
> this.pnlen=0;
> this.setURL(this.history[this.historyLoc+1]);
> }
> }
>
> The problem I have at the moment is that the 'Previous' and 'Next'
> functions will only work in IE5.5 if I have an alert in the function. I
> don't know why. Can anyone enlighten me?
>
> Cheers
>
> Chris Williams
> IT Analyst - HRIT Asia Pacific, Cisco Systems (Australia) Pty Ltd.
> _____________________________________________________
> Phone: +61 2 8446 5020 Fax: +61 2 8446 8410
> Mobile: 0402 896 764 E-mail: [EMAIL PROTECTED]
>
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--
Michael Pemberton
[EMAIL PROTECTED]
ICQ: 12107010
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