function ws_showTabSingle (tabNum,tabLen) {
	for (num = 1; num <= tabLen; num++) {
		document.getElementById("listworkshops-group-" + num + "-tab").className = "tab";
		document.getElementById("listworkshops-group-" + num + "-content").className = "seminarorganizer-listworkshops-entry-fieldset";
	}
	document.getElementById('listworkshops-group-A-tab').className = 'tab';
	document.getElementById("listworkshops-group-" + tabNum + "-tab").className = "tab active";
	document.getElementById("listworkshops-group-" + tabNum + "-content").className = "seminarorganizer-listworkshops-entry-fieldset active";
	return false;
}

function ws_showTabAll (tabLen) {
	for (num = 1; num <= tabLen; num++) {
		document.getElementById('listworkshops-group-' + num + '-tab').className = 'tab';
		document.getElementById('listworkshops-group-' + num + '-content').className = 'seminarorganizer-listworkshops-entry-fieldset active';
	}
	document.getElementById('listworkshops-group-A-tab').className = 'tab active';
	return false;
}

function ws_switchRow (rowNum) {
	currentClass = document.getElementById('listworkshops-row-' + rowNum + '-label').className;
	if (currentClass == 'label closed') {
		document.getElementById('listworkshops-row-' + rowNum + '-label').className = 'label open';
		document.getElementById('listworkshops-row-' + rowNum + '-data').className = 'data open';
	} else {
		document.getElementById('listworkshops-row-' + rowNum + '-label').className = 'label closed';
		document.getElementById('listworkshops-row-' + rowNum + '-data').className = 'data closed';
	}
	return false;
}

function ws_openRowAll (rowLen) {
	for (num = 1; num <= rowLen; num++) {
		document.getElementById('listworkshops-row-' + num + '-label').className = 'label open';
		document.getElementById('listworkshops-row-' + num + '-data').className = 'data open';
	}
	return false;
}

function ws_closeRowAll (rowLen) {
	for (num = 1; num <= rowLen; num++) {
		document.getElementById('listworkshops-row-' + num + '-label').className = 'label closed';
		document.getElementById('listworkshops-row-' + num + '-data').className = 'data closed';
	}
	return false;
}