function activateServiceTab( tab )
{
	if( tab == 'beheer' )
	{
		document.getElementById('webmail_login').style.display='none';
		document.getElementById('beheer_login').style.display='block';
		document.getElementById('service_webmail_img').src='/images/l1_webmail.jpg';
		document.getElementById('service_beheer_img').src='/images/l2_beheer.jpg';
	}
	else if( tab == 'webmail' )
	{
		document.getElementById('webmail_login').style.display='block';
		document.getElementById('beheer_login').style.display='none';
		document.getElementById('service_webmail_img').src='/images/l2_webmail.jpg';
		document.getElementById('service_beheer_img').src='/images/l1_beheer.jpg';
	}
}

function focusTextBox( obj, obj1Class, obj2, obj2class, origText )
{
	obj.className=obj1Class;
	if( obj.value == origText )
		obj.value='';
	document.getElementById(obj2).className=obj2class;
}

function blurTextBox( obj, obj1Class, obj2, obj2class )
{
	document.getElementById(obj2).className=obj2class;
}

function cClass( obj, objclass )
{
	document.getElementById(obj).className=objclass;
}

var oldBox = '';
function slickToggle( boxid )
{
	if( oldBox != boxid )
	{
		if( oldBox != '' )
		{
			$('#'+oldBox ).toggle('fast', function(){
				$('#'+boxid ).toggle('fast');
			});
		}
		else
		{
			$('#'+boxid ).toggle('fast');
		}
		oldBox = boxid;
	}
	return false;
}

var oldSlideBox = '';
function slickSlideToggle( slideBoxid )
{
	if( oldSlideBox != '' && oldSlideBox != slideBoxid )
	{
		$('#'+oldSlideBox ).hide('normal', function(){
			$('#'+slideBoxid ).show('normal');
		});
	}
	else
	{
		$('#'+slideBoxid ).toggle('normal');
	}
	oldSlideBox = slideBoxid;
	
	return false;
}

function SlideNieuws()
{
	$('#blog1').slideUp('slow');
	$('#blog2').slideUp('slow');

	$('#nieuws1').slideDown('slow');
	$('#nieuws2').slideDown('slow');
}

function SlideBlog()
{
	$('#nieuws1').slideUp('slow');
	$('#nieuws2').slideUp('slow');

	$('#blog1').slideDown('slow');
	$('#blog2').slideDown('slow');
}

function randomString( num ) {
	var chars = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXTZabcdefghiklmnopqrstuvwxyz";
	var string_length = num;
	var randomstring = '';
	for (var i=0; i<string_length; i++) {
		var rnum = Math.floor(Math.random() * chars.length);
		randomstring += chars.substring(rnum,rnum+1);
	}
	return randomstring;
}