.barrierEdge
{
    background-image: url(../img/UtilityNetworkBarrierEdgeAddTool32.png);
    width: 32px;
    height: 32px;
}
.barrierJunction
{
    background-image: url(../img/UtilityNetworkBarrierJunctionAddTool32.png);
    width: 32px;
    height: 32px;
}
.addEdge
{
    background-image: url(../img/UtilityNetworkEdgeAddTool32.png);
    width: 32px;
    height: 32px;
}
.addJunction
{
    background-image: url(../img/UtilityNetworkJunctionAddTool32.png);
    width: 32px;
    height: 32px;
}

.solve
{
    background-image: url(../img/UtilityNetworkSolve32.png);
    width: 32px;
    height: 32px;
}