Javascript
document.getElementById("c5").onmousemove = function(e) {
var radio = document.getElementById("rady5");
if (radio.checked){
e.target.src='images/gif/c8.png';
document.getElementById("c5").onmouseout = function(e) {
e.target.src='images/gif/c7.png';
};
} else return false;
};
JQuery
$("#c5").mousemove(function () {
if($("#rady5").prop("checked")) {
$(this).prop("src","images/gif/c8.png");
$(this).mouseout(function () {
$(this).prop("src","images/gif/c7.png");
})
} else return false;
});