function feld_value(id){
	if(document.getElementById(id).value == '1'){
		document.getElementById(id).value = '0'
	}else{
		document.getElementById(id).value = '1'
	}
}


function feld(formularname,feldname,aktion,wert){
	if(window.document.forms[formularname].elements[feldname].value == wert){
		if(aktion == 'leeren'){
			window.document.forms[formularname].elements[feldname].value = '';
		}
	}
	if(aktion == 'fuellen'){
		if(window.document.forms[formularname].elements[feldname].value == ''){
			window.document.forms[formularname].elements[feldname].value = wert;
		}
	}

}

function element_blenden(element){
	
	if(element.className == 'hide'){
		element.className = '';
	}else{
		element.className = 'hide';
	}	
	/*if(was == 'ausblenden'){		
		element.className = 'hide';
		//alert('ausblenden');
	}
	if(was == 'einblenden'){		
		element.className = '';
		//alert('einblenden');
	}*/
}