function disable_form(welke)
	{
	 
	if (welke=="login")
		{
		if (document.form.nieuwe_klant.checked==true)
			{
			// formpjes grijsmaken
			if (document.getElementById) document.getElementById("oud1").style.background="silver none";
			document.form.klant_id.value="";
			if (document.getElementById) document.getElementById("oud2").style.background="silver none";
			document.form.klant_password.value="";
		}
		else
			{
			document.getElementById("oud1").style.background="white none";
			document.getElementById("oud2").style.background="white none";	
			}
		}
		
	if (welke=="part")
		{
		if (document.form.partikulier.checked==true)
			{
			// formpjes grijsmaken
			if (document.getElementById) document.getElementById("part1").style.background="silver none";
			document.form.bedrijfsnaam.value="";
			if (document.getElementById) document.getElementById("part2").style.background="silver none";
			document.form.kvk.value="";
		}
		else
			{
			document.getElementById("part1").style.background="white none";
			document.getElementById("part2").style.background="white none";	
			}
		}
					
	if (welke=="part_nieuw")
		{
		if (document.form.partikulier.checked==true)
			{
			// formpjes grijsmaken
			if (document.getElementById) document.getElementById("part1").style.background="silver none";
			document.form.bedrijfsnaam.value="";
			if (document.getElementById) document.getElementById("part2").style.background="silver none";
			document.form.kvk.value="";
			if (document.getElementById) document.getElementById("part3").style.background="silver none";
			document.form.kvkRegister.selectedIndex=0;
			if (document.getElementById) document.getElementById("part4").style.background="silver none";
			document.form.kvk.value="";
			if (document.getElementById) document.getElementById("part5").style.background="silver none";
			document.form.kvk.value="";
			}
		else
			{
			document.getElementById("part1").style.background="white none";
			document.getElementById("part2").style.background="white none";	
			document.getElementById("part3").style.background="white none";	
			document.getElementById("part4").style.background="white none";	
			document.getElementById("part5").style.background="white none";	
			}
		}
		
	if (welke=="domein_reg")
		{
	
		if (document.getElementById("d_reg").options[document.getElementById("d_reg").selectedIndex].value != 3)
			{
			if (document.getElementById) document.getElementById("eerstedomein").style.background="silver none";
			document.getElementById("eerstedomein").disabled=true
			}	
		else
			{
			document.getElementById("eerstedomein").style.background="white none";
			document.getElementById("eerstedomein").disabled=false
				
			}
			
		}
		
	if (welke=="mysql")
		{
		 
		if (document.getElementById("mysqlselect").options[document.getElementById("mysqlselect").selectedIndex].value != 1)
			{
			if (document.getElementById) document.getElementById("mysqldb").style.background="silver none";
			document.getElementById("mysqldb").disabled=true
			}	
		else
			{
			document.getElementById("mysqldb").style.background="white none";
			document.getElementById("mysqldb").disabled=false
				
			}
			
		}
		
	}
	
function disable_form(welke , id)
	{
		
	if (welke=="domein_reg")
		{
	
		if (document.getElementById("d_reg["+id+"]").options[document.getElementById("d_reg["+id+"]").selectedIndex].value != 3)
			{
			if (document.getElementById) document.getElementById("eerstedomein["+id+"]").style.background="silver none";
			document.getElementById("eerstedomein["+id+"]").disabled=true
			}	
		else
			{
			document.getElementById("eerstedomein["+id+"]").style.background="white none";
			document.getElementById("eerstedomein["+id+"]").disabled=false
				
			}
			
		}	
		
	}