Display Pop Up When Click To The Pictures - css

Question

Usually by click the button we can create a pop up. But here I've some trouble to display a pop up when user click the picture.
I using css for this code
I've a button which is the button is a picture. From the button(picture) I don't know how to get the value then pass to the javascript to do the pop up.
Here my code:
<div class="nav-divider"> </div>
<img src="images/shared/nav/form.giff" width="93" height="14" alt="" />
<div class="nav-divider"> </div>

Answer 1

this is css popup
DEMO JSFIDDLE
Source
html
<input type="checkbox" id="linkie" class="popUpControl">
<label for="linkie" class="link">
<span><img src="http://www.clker.com/cliparts/9/1/5/2/119498475589498995button-red_benji_park_01.svg.med.png" height="50"></img></span>
<span class="box">
<span class="title">Title</span>
<span class="copy">Pellentesque habitant morbi tristique senectus et netus</span>
</span>
</label>
css
label {
position: relative;
}
.box {
position: absolute;
left: 0;
top: 100%;
z-index: 100;
/* Prevent some white flashing in Safari 5.1 */
-webkit-backface-visibility: hidden;
background-color: #eeeeee;
background-image: -webkit-gradient(linear, left top, left bottom, from(#eeeeee), to(#999999));
background-image: -webkit-linear-gradient(top, #eeeeee, #999999);
background-image: -moz-linear-gradient(top, #eeeeee, #999999);
background-image: -ms-linear-gradient(top, #eeeeee, #999999);
background-image: -o-linear-gradient(top, #eeeeee, #999999);
-moz-border-radius: 20px;
-webkit-border-radius: 20px;
border-radius: 20px;
-moz-background-clip: padding;
-webkit-background-clip: padding-box;
background-clip: padding-box;
width: 260px;
padding: 20px;
margin: 24px 0;
opacity: 0;
-webkit-transform: scale(0) skew(50deg);
-moz-transform: scale(0) skew(50deg);
-ms-transform: scale(0) skew(50deg);
-o-transform: scale(0) skew(50deg);
-webkit-transform-origin: 0px -30px;
-moz-transform-origin: 0px -30px;
-ms-transform-origin: 0px -30px;
-o-transform-origin: 0px -30px;
-webkit-transition: -webkit-transform ease-out .35s, opacity ease-out .4s;
-moz-transition: -moz-transform ease-out .35s, opacity ease-out .4s;
-ms-transition: -ms-transform ease-out .35s, opacity ease-out .4s;
-o-transition: -o-transform ease-out .35s, opacity ease-out .4s;
}
.box:after {
content: "";
position: absolute;
bottom: 100%;
left: 30px;
border-bottom: 20px solid #eee;
border-left: 14px solid transparent;
border-right: 14px solid transparent;
width: 0;
height: 0;
}
.popUpControl:checked ~ label > .box {
opacity: 1;
-webkit-transform: scale(1) skew(0deg);
-moz-transform: scale(1) skew(0deg);
-ms-transform: scale(1) skew(0deg);
-o-transform: scale(1) skew(0deg);
}
.popUpControl {
display: none;
}
/* For link example */
.link { color: blue; text-decoration: underline; }
.title { display: block; font-weight: bold; margin: 0 0 10px 0; color: black; font: bold 16px Sans-Serif; text-decoration: none; }
.copy { color: black; text-decoration: none; }