function selectAutomatically( element, namensraum, formIndex ){

	if( element.value == 0 ){
		if( element.checked == true ){
			for( i=0; i<document.forms[formIndex].elements[namensraum].length; i++ ){
				if(document.forms[formIndex].elements[namensraum][i].value != 0){
					document.forms[formIndex].elements[namensraum][i].checked = false;
				}
			}
		} else {
			element.checked = true;
		}
	} else if( element.value > 0 ){
		if( element.checked == true ){
			for( i=0; i<document.forms[formIndex].elements[namensraum].length; i++ ){
				if(document.forms[formIndex].elements[namensraum][i].value == 0){
					document.forms[formIndex].elements[namensraum][i].checked = false;
				}
			}
		} else {
			nothing_selected = true;
			for( i=0; i<document.forms[formIndex].elements[namensraum].length; i++ ){
				if(document.forms[formIndex].elements[namensraum][i].checked == true){
					nothing_selected = false; break;
				}
			}
			if( nothing_selected ){ 
				document.forms[formIndex].elements[namensraum][0].checked = true;
			}
		}
	}
	
	
}