$(document).ready(function () {
		$('#dd_moreFelder').click(function() {
				addFelder();
			}
		)
		$('#dd_rueck').click(function () {
				showBank();
			}
		);
		$('#dd_gut').click(function () {
			hideBank();
			}
		);
		addStartFelder();
	}
);

untereGrenze = 1;
obereGrenze = 5;

function addFelder() {
	untereGrenze += 5;
	obereGrenze += 5;
	
	for ( i = untereGrenze; i <= obereGrenze; i++) {
		
		help_anz = '';
		help_artnum = '';
		help_bez = '';
		
		if (i == obereGrenze) {
			$('#dd_addtable').append('<tr id="tr_' + i +'" ><td><input type="text" class="dd_input_full" name="ret[anz_' + i +']" value="' + help_anz + '" /></td><td><input type="text" class="dd_input_full" name="ret[artnum_' + i + ']" value="' + help_artnum + '" /></td><td><input type="text" class="dd_input_full" name="ret[bez_' + i + ']" value="' + help_bez + '" /></td><td align="right"><span class="dd_moreFelder" id="' + i +'">Felder löschen</span></td></tr>');
			
			$('#dd_anzfelder').val(obereGrenze);
			
			//$('#dd_addtable').append('<input type="hidden" id="dd_anzfelder" name="dd_anzfelder" value="' + i + '">');
			
			$('#' + i).click(function() {
					deleteFelder();
				}
			)
		}
		else {
			$('#dd_addtable').append('<tr id="tr_' + i +'" ><td><input type="text" class="dd_input_full" name="ret[anz_' + i +']" value="' + help_anz + '" /></td><td><input type="text" class="dd_input_full" name="ret[artnum_' + i + ']" value="' + help_artnum + '" /></td><td><input type="text" class="dd_input_full" name="ret[bez_' + i + ']" value="' + help_bez + '" /></td><td></td></tr>');
		}
	}
}

function addStartFelder() {
	cnt = parseInt($('#dd_anzfelder').val());

	if (cnt > 5) {
		
		obereGrenze = cnt;
		
		for ( i = 6; i <= obereGrenze; i++) {
			
			help_anz = '';
			help_artnum = '';
			help_bez = '';
			
			if (jsret['anz_' + i] != null )
			{
				help_anz = jsret['anz_' + i];
			}
			if (jsret['artnum_' + i] != null )
			{
				help_artnum = jsret['artnum_' + i];
			}
			if (jsret['bez_' + i] != null )
			{
				help_bez = jsret['bez_' + i];
			}
			
			if (i == obereGrenze || (i % 5 == 0) ) {
				$('#dd_addtable').append('<tr id="tr_' + i +'" ><td><input type="text" class="dd_input_full" name="ret[anz_' + i +']" value="' + help_anz + '" /></td><td><input type="text" class="dd_input_full" name="ret[artnum_' + i + ']" value="' + help_artnum + '" /></td><td><input type="text" class="dd_input_full" name="ret[bez_' + i + ']" value="' + help_bez + '" /></td><td align="right"><span class="dd_moreFelder" id="' + i +'">Felder löschen</span></td></tr>');
				
				$('#dd_anzfelder').val(obereGrenze);
				
				//$('#dd_addtable').append('<input type="hidden" id="dd_anzfelder" name="dd_anzfelder" value="' + i + '">');
				
				$('#' + i).click(function() {
						deleteFelder();
					}
				)
			}
			else {
				$('#dd_addtable').append('<tr id="tr_' + i +'" ><td><input type="text" class="dd_input_full" name="ret[anz_' + i +']" value="' + help_anz + '" /></td><td><input type="text" class="dd_input_full" name="ret[artnum_' + i + ']" value="' + help_artnum + '" /></td><td><input type="text" class="dd_input_full" name="ret[bez_' + i + ']" value="' + help_bez + '" /></td><td></td></tr>');
			}
		}
		
		untereGrenze = (cnt-5);
		
	}
}

function deleteFelder() {
	delOG = obereGrenze;
	delUG = delOG - 5;
	
	for (i = delOG; i > delUG; i-- ) {
		id = '#tr_' + i ;
		$(id).remove();
	}
	
	untereGrenze -= 5;
	obereGrenze -= 5;
	
	$('#dd_anzfelder').remove();
	$('#dd_addtable').append('<input type="hidden" id="dd_anzfelder" name="dd_anzfelder" value="' + delUG + '">');
}

function showBank() {
	//$('#dd_bank').css('display', 'table');
	$('#dd_bank').show();
}

function hideBank() {
	//$('#dd_bank').css('display', 'none');
	$('#dd_bank').hide();
}