image hover 2 onmouseover

http://stackoverflow.com/questions/28524553/on-hovercontent-css-tag-is-not-working-in-firefox-and-ie/

by Ram Tobolski

HTML

<ul class="navigation">
<li id="explore" onclick="cl()"><img src="http://thunderstorm999.byethost9.com/images/explore.png" onmouseover="this.src='http://thunderstorm999.byethost9.com/images/explore-hover.png'" onmouseout="this.src='http://thunderstorm999.byethost9.com/images/explore.png'"></li>
</ul>

CSS

.navigation{
list-style:none;
padding-top:10px;
}
.navigation li{
text-align:center;
    height: 70px;
margin-bottom:0px;
cursor:pointer;
}

JavaScript

function cl(){
window.open("http://www.wikipedia.org");
}