//onerror = stopError;
//function stopError()
//{
//	return true;
//}

function changecolor(id, bgcolor, color) {
  if (bgcolor != '') { document.getElementById(id).style.backgroundColor = bgcolor; }
  if (color != '') { document.getElementById(id).style.color = color; }
}

function swap_content( span ) {
	displayType = ( document.getElementById( span ).style.display == 'none' ) ? 'block' : 'none';
	document.getElementById( span ).style.display = displayType;
}

// Alle selektieren/deselektieren
var check = false;

function checkedall() {
	if(check == true) {
		check = false;
		
		for(var i = 0; i < document.forms[0].elements.length; i++) {
			document.forms[0].elements[i].checked = false;
		}
	} else {
		check = true;
	
		for (var i = 0; i < document.forms[0].elements.length; i++) {
			document.forms[0].elements[i].checked = true;
		}
	}
}