function wdag(){
		
var A = document.getElementById('dag_nr').value;
var B = document.getElementById('maand').value; 
var C =	document.getElementById('jaar').value;	
		
var d = new Date(B+"/"+A+"/"+C)
var weekday=new Array("Zondag","Maandag","Dinsdag","Woensdag","Donderdag","Vrijdag","Zaterdag")
//document.write(weekday[d.getDay()])
document.form1.dag.value = (weekday[d.getDay()])

}
	
	
			  

			  function xdag(){
		
var retA = document.getElementById('dag_nr_ret').value;
var retB = document.getElementById('maand_ret').value; 
var retC = document.getElementById('jaar_ret').value;	
			  
		

		
var x = new Date(retB+"/"+retA+"/"+retC)
var weekday=new Array("Zondag","Maandag","Dinsdag","Woensdag","Donderdag","Vrijdag","Zaterdag")
//document.write(weekday[d.getDay()])
document.form1.dag_ret.value = (weekday[x.getDay()])

}