var methods=[
{"id":"1","idartform":"1","method":"Watercoulours"},
{"id":"2","idartform":"1","method":"Indian ink"},
{"id":"3","idartform":"1","method":"Gouache"},
{"id":"4","idartform":"1","method":"Oil paint"},
{"id":"5","idartform":"1","method":"Pastel"},
{"id":"6","idartform":"1","method":"In tempera"},
{"id":"7","idartform":"1","method":"Others"},
{"id":"8","idartform":"2","method":"Film"},
{"id":"9","idartform":"2","method":"Digital"},
{"id":"10","idartform":"3","method":"Cutting"},
{"id":"11","idartform":"3","method":"Modelling"},
{"id":"12","idartform":"3","method":"Casting"},
{"id":"13","idartform":"3","method":"Assemblage"},
{"id":"14","idartform":"3","method":"Others"},
{"id":"15","idartform":"4","method":"Crayon"},
{"id":"16","idartform":"4","method":"Indian ink"},
{"id":"17","idartform":"4","method":"Charcoal"},
{"id":"18","idartform":"4","method":"Red chalk"},
{"id":"19","idartform":"4","method":"Watercoulours"},
{"id":"20","idartform":"4","method":"Felt-tip"},
{"id":"21","idartform":"4","method":"Pastel"},
{"id":"22","idartform":"4","method":"Others"},
{"id":"23","idartform":"5","method":"Prints"},
{"id":"24","idartform":"6","method":"Etching"},
{"id":"25","idartform":"6","method":"Line-engraving"},
{"id":"26","idartform":"6","method":"Others"},
{"id":"27","idartform":"7","method":"Furniture"},
{"id":"28","idartform":"7","method":"Jewels"},
{"id":"29","idartform":"7","method":"Daily life items"},
{"id":"30","idartform":"7","method":"Lighting"},
{"id":"31","idartform":"7","method":"Tableware"},
{"id":"32","idartform":"7","method":"Others"},
{"id":"33","idartform":"8","method":"Collages"},
{"id":"34","idartform":"9","method":"Digital art"},
{"id":"35","idartform":"10","method":"Unclassifiable"}];

var supports=[
{"id":"1","idartform":"1","support":"Canvas"},
{"id":"2","idartform":"1","support":"Wood"},
{"id":"3","idartform":"1","support":"Cardboard"},
{"id":"4","idartform":"1","support":"Paper"},
{"id":"5","idartform":"1","support":"Others"},
{"id":"6","idartform":"2","support":"Paper"},
{"id":"7","idartform":"2","support":"Canvas"},
{"id":"8","idartform":"2","support":"Wood"},
{"id":"9","idartform":"2","support":"Cardboard"},
{"id":"10","idartform":"2","support":"Metal"},
{"id":"11","idartform":"3","support":"Metal"},
{"id":"12","idartform":"3","support":"Amber"},
{"id":"13","idartform":"3","support":"Silver"},
{"id":"14","idartform":"3","support":"Wood"},
{"id":"15","idartform":"3","support":"Glass"},
{"id":"16","idartform":"3","support":"Bronze"},
{"id":"17","idartform":"3","support":"Stone"},
{"id":"18","idartform":"3","support":"Terracotta"},
{"id":"19","idartform":"3","support":"Wax"},
{"id":"20","idartform":"3","support":"Plaster"},
{"id":"21","idartform":"3","support":"Plastic"},
{"id":"22","idartform":"3","support":"Others"},
{"id":"23","idartform":"4","support":"Canvas"},
{"id":"24","idartform":"4","support":"Wood"},
{"id":"25","idartform":"4","support":"Cardboard"},
{"id":"26","idartform":"4","support":"Paper"},
{"id":"27","idartform":"4","support":"Others"},
{"id":"28","idartform":"5","support":"Canvas"},
{"id":"29","idartform":"5","support":"Wood"},
{"id":"30","idartform":"5","support":"Cardboard"},
{"id":"31","idartform":"5","support":"Paper"},
{"id":"32","idartform":"5","support":"Others"},
{"id":"33","idartform":"6","support":"Wood"},
{"id":"34","idartform":"6","support":"Stone"},
{"id":"35","idartform":"6","support":"Metal"},
{"id":"36","idartform":"6","support":"Others"},
{"id":"37","idartform":"7","support":"Design"},
{"id":"38","idartform":"8","support":"Collages"},
{"id":"39","idartform":"9","support":"Canvas"},
{"id":"40","idartform":"9","support":"Wood"},
{"id":"41","idartform":"9","support":"Cardboard"},
{"id":"42","idartform":"9","support":"Paper"},
{"id":"43","idartform":"9","support":"Metal"},
{"id":"44","idartform":"9","support":"Others"},
{"id":"45","idartform":"10","support":"Unclassifiable"}];


function changeMethod(idp ) {
	var menuObj = document.getElementById( 'idmethod' );
	if( menuObj ) {
		clearAll( menuObj );
		menuObj.disabled = false;
		menuObj.options[0] = new Option( "", "" );
		for( var i=0; i<methods.length; i++ ) {
			if( methods[i].idartform == idp ) {
				menuObj.options[ menuObj.length ] = new Option( methods[i].method, methods[i].id );
			}
		}
		if( menuObj.length == 1 ) {
			clearAll( menuObj );
			menuObj.disabled = true;
		}
	}
}

function changeSupport( idp ) {
	var menuObj = document.getElementById( 'idsupport' );
	if( menuObj ) {
		clearAll( menuObj );
		menuObj.disabled = false;
		menuObj.options[0] = new Option( "", "" );
		for( var i=0; i<supports.length; i++ ) {
			if( supports[i].idartform == idp ) {
				menuObj.options[ menuObj.length ] = new Option( supports[i].support, supports[i].id );
			}
		}
		if( menuObj.length == 1 ) {
			clearAll( menuObj );
			menuObj.disabled = true;
		}
	}
}

function clearAll( menuObj ) {
	if( menuObj ) {					
		var element = menuObj.firstChild;
		while( element != null ) {
			menuObj.removeChild( element );
			element = menuObj.firstChild;
		}
	}
}