function showhideObj(obj,expand){
    obj.className = obj.className == "col" ? "exp": "col";
    expand.className = expand.className == "lev1 close" ? "lev1 open": "lev1 close";
}
function showhideObj2(obj,expand){
    obj.className = obj.className == "col" ? "exp": "col";
    expand.className = expand.className == "lev2 close" ? "lev2 open": "lev2 close";
}
function showhideObj3(obj,expand){
    obj.className = obj.className == "col" ? "exp": "col";
    expand.className = expand.className == "services_head close" ? "services_head open": "services_head close";
}