if (key_ctrl > 0 && (my.skill42<1 || my.skill42>99))
			{
				if(my.skill44==-1){my.skill44=1;}
				else {my.skill44=-1;}
			}
			if (my.skill43==0)
			{
			
			if(my.skill44==-1 && my.skill42<100)
			{
					my.skill42+=10*time_step;
					ent_animate(my,"fly",my.skill42,null);
			}
			if(my.skill44==1 && my.skill42>0)
			{
					my.skill42-=10*time_step;
					ent_animate(my,"fly",my.skill42,null);
			}	
				enet_send_skills(enet_ent_globpointer(my),42,42,-1); //sends the new skill value
				my.skill43=1;
			}
			else
			{
				if(my.skill43 == 1) //only send the skill if the value has changed
				{
					my.skill43 = 0;
					enet_send_skills(enet_ent_globpointer(my),42,42,-1); //sends the new skill value
				}
			}