function AddDirection(NewDirection){
	// remove existing list
	for (var i= objDirection.length; i > 0 ; i--){
  		objDirection.remove(i);
	}
	for (var i=0; i < NewDirection.length;i++) {
		objDirection.options.add(document.createElement('OPTION'));
    	objDirection.options[i].text = NewDirection[i];
    	objDirection.options[i].value = NewDirection[i];
     }
}
function Direction() {
	var DirectionList = new Array();
DirectionList[0] = '方向不適用';
DirectionList[1] = '東南';
DirectionList[2] = '東北';
DirectionList[3] = '東';
DirectionList[4] = '西南';
DirectionList[5] = '西北';
DirectionList[6] = '西';

	AddDirection(DirectionList);
	DirectionList = null;
}