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JavaScript - Selenium Webdriver. How to check if element is visible

Im using Selenium to open a page. After I open the page, I want to click a some sort of refresh button. When I click it, Im getting this error:
ElementNotVisibleError: element not visible
This is the code I use to click the button:
driver.findElement(By.id(id)).click();
My guess is that the button goes not visible whenever it is pushed. And that maybe it starts off not visible as well. Cause it doesnt do a full page refresh.
Any way for selenium to check if something is visible, and maybe wait until it is?
Edit:
As it turns out, there are multiple buttons with the same ID. And the button I am trying to reach are way down. I tried to find the button with By.xpath, but I still couldnt find it. The way I did it, was to search for button by id, like this //button[contains(#id, 'abc')][1]. (Different number of course).
Selenium could not find the element, but I could find it with Chrome developer tools. Any suggestions?

Solution: 1 You can try using this code in a syso,
System.out.println("getting Page Source "+driver.getPageSource());
This method will return the entire page Source and you can check whether your button exists in the source or not. You can place the above code at several points in your function and check until you find the button in the source.
Solution: 2 In case your button does not exist in the source you will have to check and see whether the button is getting loaded in an iframe and if so you can use the following code and switch to the iframe and and then try finding the button,
driver.switchTo.frame(frameName);

In your case you could use Explicit wait to check when the element/button is clickable.
Try doing this
wait.until(ExpectedConditions.visibilityOfElementLocated(id))

Need JS help- collapsing a toggled down element when another is selected

Need help with the "our team" section halfway down this page: http://dev.doubleaevents.com/
When you click an image it opens to reveal more information. I'd like to be able to click another image and have the previously opened image collapse, so that a user can't open more than one image at a time.
Would also like to know if making them slide out to the right (instead of down) would be a simple fix?
I'm a js novice so any explanations are appreciated. Here's the js file for quick reference: http://dev.doubleaevents.com/wp-content/plugins/portfolio-gallery/assets/js/view-toggle-up-down.js

Try adding this:
jQuery('.portelement').each(function(){
if(jQuery(this).hasClass('large')){
jQuery(this).removeClass('large');
jQuery(this).animate({
height:240
},300);
}
});
before:
jQuery(this).parents('.portelement').addClass('large');
In your javascript code.
When you click an item you basically want to search for elements that are already open. Then from there remove the 'large' class name and close that element. From there you continue on to opening the selected element. Thats what this code does.
As far as your other question, it shouldn't be too difficult, just mess around with the animate method and css. But maybe look into the isotope documentation. There may be an option for that.

Check if a element is on the actual page

I'm using a poshytip, it is working fine, until I want to display my tip on the element that is under the current page (I mean that page where I have to scroll down to see it, don't really know how to name it properly). Unfortunately, poshytip has some bugs related to that - if I want to display a tip on the element that is currently lower than the current page position, then tip is showing at the bottom of my page. Havent seen any better tip plugin than this, so I decided to fix it on my own.
The question is - is there a way in jQuery/javascript to check if the element (for example the input with ID) is on the current page that user is viewing? By saying current page I mean the top of the page - my element is placed much lower, so user have to scroll down the page to see it, so is there a way to do something like: if user is scrolling down the page, and the element will be finally visible then send alert to the user?
I know this may be kinda complicated, but couldn't find any better words to describe my problem, I'd answer additional questions, if you have one.

If you want to test for an element's visibility in the viewport, you should reference this post here as it's outlined quite clearly.
On another note, I prefer using the jQuery tools suite for my Tooltip plugin of choice. You can see it here

disabling background of document when certain div opens

,
HI,
I need some ones help with this, thank you in advance.
In my site i have that when the user clicks on a input box then a new div opens up on top of the input box in that exact place.
Now i need to add that when that div opens i need the background of the hole screen to become black with some opacity, i think it is called overlay.
some thing like i want you can find here:
http://www.omnipotent.net/jquery.sparkline/
if you hover with the mouse over the div on the side that says "come work at splunk".
How can i do something like that with jquery or any thing else.
Thank you very much

You want to use the jQuery UI Dialog Modal.
Edit: jQuery's Dialog method will give you a similar effect but is usually used for onclick events rather than mouseover/mouseout. Have a look at the javascript code on the page you linked (around line 356) and you'll see:
$('#splunkjobs').mouseenter(function() {
// make element absolute, positioned over the top of the float and resize
$('<div id="shade"></div>').
appendTo('body').
css('height', $(document).height()).
animate({opacity: 0.6});
This essentially creates a that covers the page and then fades it in.
I still think using a Dialog for your button is preferred (and much simpler).

this is caled 'modal', you can use jquery:
http://jqueryui.com/demos/dialog/#modal
http://www.queness.com/resources/html/modal/jquery-modal-window.html
http://dev.iceburg.net/jquery/jqModal/#examples
or if you still need more:
http://coderplus.com/2009/11/jquery-modal-boxes-to-improve-your-ui/

Highlighting active panel in CSS without JavaScript

I'm building something similar to this - http://www.impressivewebs.com/demo-files/content-switcher/content-switcher.html
I wondered if anyone had any ideas as to how I can show the current panel in the navigation WITHOUT using JavaScript - pure CSS.
I'm fairly confidant it's not possible but I thought I'd ask anyway.
Just to clarify...
You'll notice that when you click a link on this page - http://www.impressivewebs.com/demo-files/content-switcher/content-switcher-javascript.html the link you just clicked on highlights to inform the user which panel they're looking at. That's what I want to do in CSS.

It's possible, believe it or not, it's just really tricky. This should get you started: http://thinkvitamin.com/design/css/how-to-create-a-valid-non-javascript-lightbox/ The key bit is captured in this quote:
I'm sure you are all aware of linking to an an element on the same page with the use of the ID attribute and how it works. However, you may not have known that linking to an element that is hidden off the page causes the element to be "pulled" into view as opposed to the window jumping down to that element.
So basically, you'd put all of your slides off-page and then have the numbered links use anchors to pull those into view. Your use case should be a bit simpler than the one she's doing, since you don't have to dim out the rest of the page.

What you need to do is to put what you need to slide inside a container with fixed size and "overflow" property set to hidden.
Then, inside this container, you put your "slidable" contents inside a list of anchor elements with "display" set to block and size the same of the container.
If, from a link on the page, you call one of the anchors in the list, the element with the correspondent anchor name will automgically show up..
simple as that.