function all_disp_ddlist(id){
	if(document.getElementById(id)){
		document.getElementById(id).style.display = "";
		document.getElementById('ddcmd-hide').style.display = "";
		document.getElementById('ddcmd-show').style.display = "none";
	}
}

function hide_part_ddlist(id) {
	if(document.getElementById(id)){
		document.getElementById(id).style.display = "none";
		document.getElementById('ddcmd-hide').style.display = "none";
		document.getElementById('ddcmd-show').style.display = "";
	}
}