On Apr 11, 3:43 am, steve ross <cwdi...@gmail.com> wrote:
> On Apr 10, 2010, at 9:32 AM, ChaosKnight wrote:
>
>
>
>
>
>
>
> > Hi, I am still very new to Ruby on Rails, but I'm busy with my first
> > RoR website, everything went well, until I realized that my images
> > didn't preload... On previous websites I used a simple JavaScript
> > preloader that seemed to work very well:
>
> > function preloadImages() {
> > if (document.images) {
> > var imgFiles = preloadImages.arguments;
> > var preloadArray = new Array();
> > for (var i=0; i < imgFiles.length; i++) {
> > preloadArray[i] = new Image;
> > preloadArray[i].src = imgFiles[i];
> > }
> > }
> > }
>
> > And I called it from within the HTML:
>
> > <body onload="preloadImages('/images/home.png',....etc....)
>
> > This is how I called the image rollover in the Rails code:
> > <%= link_to(image_tag('home.png', :mouseover=>"home_ro.png"), '/',
> > {:controller=>'home', :action=>'index'}) %>
>
> > Can anyone please tell me why this didn't work? I also heard that
> > Prototype has it's own built-in image preloader, is this true?
>
> > Thanks I really appreciate your help!
>
> You'll want to take the onload out of the body tag and do something like this
> in your application.js file:
>
> document.observe("dom:loaded", function()
> {
> preloadImages('/images/home.png',....etc....);}
>
> );
That still doesn't work in Firefox... What about caching? Won't that
help?
Or perhaps and alternative solution that works better?
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