client/proc
    load_tree(t)
        var/skilltree/proto
        switch(t)
                                    //gotta be a better way of doing this..
            if("Demon")  proto=mob.dem
            if("Human")proto=mob.hum

        for(var/posy=1 to proto.layout.len)
                                    //y value
            var/list/li=proto.layout[posy]

            for(var/posx=1 to li.len)
                                    //x value
                if(li[posx])
                                    //don't want to spam null errors
                    var/skill/s=li[posx]
                    if(istype(s,/skill/arrow))
                        screen += new s
                        return

                    var/skill/ns=new s("[CURRENT_SCHEME]")

                    /*
                    var/skill/ns=new s("skilltree:[li.len-posx],[proto.layout.len-posy]")
                        This will make it go from right to left

                    var/skill/ns=new s("skilltree:[proto.layout.len-posy],[li.len-posx]")
                        This will make it go from top to bottom

                    var/skill/ns=new s("skilltree:[posx-1],[posy-1]")
                        This will make it go from left to right

                    var/skill/ns=new s("skilltree:[posy-1],[posx-1]")
                        This will make it go from bottom to top
                    */

                    screen += ns
                                    //thank you, lummox's demo - I like the idea of overriding new() for this purpose
                    if(!(locate(ns.type) in mob.skills))
                                    //you haven't learned me yet
                        if(ns.reqskill)
                                    //do we require a skill?
                            if(!(locate(ns.reqskill) in mob.skills))
                                    //we don't have the required skill.. sadface
                                ns.overlays += new/skill/unbuyable

                            else
                                var/tskill=locate(ns.reqskill) in mob.skills
                                if(tskill)

                                    if(mob.skills[tskill]<ns.reqskilllvl)
                                    //you can't buy it if it has a level requirement and your level isn't high enough.
                                        ns.overlays += new/skill/unbuyable

                                    else

                                        ns.overlays += new/skill/available

                                else
                                    //this should never occur.
                                    world << "Oddity here"

                        else

                            ns.overlays += new/skill/available

                    else
                                    //verification that it exists
                        var/tskill=locate(ns.type) in mob.skills
                        if(tskill)

                            ns.curlevel=mob.skills[tskill]
                                    //we want to show it's a maxxed out skill!
                            if(ns.curlevel>=ns.maxlevel)

                                ns.overlays+=new/skill/completed