Думаю - разберешься.
<!DOCTYPE html>
<html>
<head>
<style>
/* Styles go here */
body {
height: 2000px;
}
.block {
background-color: red;
width: 100px;
height: 100px;
margin: 100px auto;
}
.hey {
background-color: green;
}
</style>
<script src="https://code.jquery.com/jquery-1.9.1.min.js"></script>
</head>
<body>
<div class="block"></div>
<script>
$(document).ready(function(){
function disableScroll() {
return false;
}
$('.block').mouseover(function(){
$(this).addClass('hey');
$(document).bind('keydown DOMMouseScroll mousewheel', disableScroll);
});
$('.block').mouseout(function(){
$(this).removeClass('hey');
$(document).unbind('keydown DOMMouseScroll mousewheel', disableScroll);
});
});
</script>
</body>
</html>