.roll1{
		cursor: pointer;
		background: transparent url("hex7.jpg") no-repeat;
}
.roll1:hover
{
    cursor: pointer;
		background: transparent url("hex4.jpg") no-repeat;
}
.roll2{
		cursor: pointer;
		background: transparent url("hex8.jpg") no-repeat;
}
.roll2:hover
{
    cursor: pointer;
		background: transparent url("hex3.jpg") no-repeat;
}