function over(obj, objName) {
    obj.src = "/traco/portals/0/skins/tracoskin/images/btn_" + objName + "_over.jpg";
}
function out(obj, objName) {
    obj.src = "/traco/portals/0/skins/tracoskin/images/btn_" + objName + ".jpg";
}

function overin(obj, objName) {
    obj.src = "/traco/portals/0/skins/tracoskin/images/Insidebtn_" + objName + "_over.jpg";
}
function outin(obj, objName) {
    obj.src = "/traco/portals/0/skins/tracoskin/images/Insidebtn_" + objName + ".jpg";
}