// JavaScript Document
function check_display_menu(id){
	if(document.getElementById('pg' + id).style.display == 'block'){
		document.getElementById('pg' + id).style.display = 'none';
	}
	else
	{
		check_menu();
		document.getElementById('pg' + id).style.display = 'block';
	}
}
function check_display(id){
	if(document.getElementById(id).style.display == 'block'){
		document.getElementById(id).style.display = 'none';
	}
	else
	{
		document.getElementById(id).style.display = 'block';
	}
}
function validate(insert, form)
{	
	var data = insert.split(',');
	var output = "";
	for (x in data)
	{
		if(document.getElementById(data[x]).value == "")
		{
			var output = "Niet alle verplichte velden zijn ingevuld";
			document.getElementById(data[x]).style.backgroundColor  = '#FF8A8A';
		}
		else
		{
			document.getElementById(data[x]).style.backgroundColor  = '#ffffff';
		}
	}
	if(output != "")
	{
		alert(output);
		return false;
	}
	else
	{
		document.getElementById('vakover').style.display = 'block';
		document.getElementById(form).submit();
	}
}