function onClickBtnDeleteCv(){
	$('#delete')[0].value = 'cv';
}

function onClickBtnDeleteLetter(){
	$('#delete')[0].value = 'letter';
}

function onClickBtnDeletePicture(){
	$('#delete')[0].value = 'picture';
}


function onParentChange(){
	$('#cntSubgroups div').hide();
	var cnt = $('#cntSubgroup'+(this.value));
	var sel = $('#cntSubgroup'+(this.value)+' select');
	
	if (sel[0] != null) {
		sel[0].selectedIndex = 0;
	}
	
	cnt.show();
	$('#selectedSubgroup')[0].value = '';
	
	if ( $('#groupSelectionChanged')[0] != null ) {
		$('#groupSelectionChanged')[0].value = 1;
	}
	
	$('#skills div').hide();
}

function onChildChange(){
	var selectedSubgroup = $('#selectedSubgroup')[0];
	selectedSubgroup.value = this.value;
	$('#skills div').hide();
	$('#skills_'+this.value).show();
	
	if ( $('#groupSelectionChanged')[0] != null ) {
		$('#groupSelectionChanged')[0].value = 1;
	}
}

function onReady() {
	var tab = $('#cntParentGroup select').change(onParentChange);
	$('#cntSubgroups select').change(onChildChange);
	$('#btnDeleteCv').click(onClickBtnDeleteCv);
	$('#btnDeleteLetter').click(onClickBtnDeleteLetter);
	$('#btnDeletePicture').click(onClickBtnDeletePicture);
}

$(document).ready(onReady);