function getKeyCode(eventObject)	{	
		if (!eventObject) keyCode = window.event.keyCode; //IE			
		else keyCode = eventObject.which;   //Mozilla			
		return keyCode;		
		} 		
function onlyNumeric(eventObject)		
		{			keyCode = getKeyCode(eventObject);			
		if (((keyCode > 31) && (keyCode < 48)) || ((keyCode > 57) && (keyCode < 127)))			
		{					
		if (!eventObject) window.event.keyCode = 0; //IE					
		else eventObject.preventDefault(); //Mozilla					
		return false;			}	
		
		}
function beheer1(url){location.href = url;}		
function beheer2(url){location.href = url;}