function switchLogin (o) {
	var element = document.getElementById('intranet');
	if (element.style.display == 'none') {
		o.className += ' open';
		element.style.display = '';
	} else {
		o.className	= o.className.substring(0, (o.className.length - 5));
		element.style.display = 'none';
	}	
	return;
};




function textFocus(text)
{
	if (text.value == text.defaultValue)
		text.value = "";
	
};

function textBlur(text)
{
	if (text.value == "")
		text.value = text.defaultValue;
};

function footerFocus(text)
{
	if (text.value == text.defaultValue)
	{
		text.value = "";
	}
};

function footerBlur(text)
{
	if (text.value == "")
	{
		text.value = text.defaultValue;
	}
};

function menuMouseOver(picture, text, image)
{	
	var header = document.getElementById('headerafbeelding');
	header.src = base_url + 'content/images/header_afbeeldingen/'+ image;
	document.getElementById('arrow_right').style.display="none";
	document.getElementById('arrow_left').style.display="none";
	
	var textvak = document.getElementById('textje');
	textvak.style.fontSize = "13px";
	textvak.innerHTML = text;
};

function menuMouseOut(image, text, pagina)
{
	var header = document.getElementById('headerafbeelding');
	header.src = image;
	
	var textvak = document.getElementById('textje');
	textvak.innerHTML = text;
	textvak.style.fontSize = "13px";
};


this.projecten = new Array();
this.onderdeel = '';
this.baseurl = 'http://www.kraaijeveld.eu/dev/';
function projecten_functie(counter, projecten, rightnow, onderdeel)
{
	this.onderdeel = onderdeel;
	
	if (isNaN(this.counter))
	{
		this.counter = projecten.length - 1;
	}
	if (projecten.length == 0)
	{
		document.getElementById('volgend').style.display="none";
		document.getElementById('vorig').style.display="none";
	}
	else
	{
		var projectenlength = projecten.length - 1;
		if (rightnow == 'false')
		{
			if (counter == projectenlength)
			{
				document.getElementById('volgend').style.display="none";
				document.getElementById('vorig').style.display="";
				window.location= this.baseurl + "Projecten/" + this.onderdeel + "/" + projecten[counter];
			}
			else if (counter == 0)
			{
				document.getElementById('volgend').style.display = "";
				document.getElementById('vorig').style.display = "none";
				window.location = this.baseurl + "Projecten/" + this.onderdeel + "/" + projecten[counter];
			}
			else
			{
				document.getElementById('volgend').style.display="";
				document.getElementById('vorig').style.display="";
				window.location= this.baseurl + "Projecten/" + this.onderdeel + "/" + projecten[counter];
			}
		}
		else
		{
			for (var num = 0;num < projectenlength; num++)
			{
				this.projecten[num] = projecten[num]
				if (projecten[num] == rightnow)
				{
					this.counter = num;
				}
			}
			if (this.counter == projectenlength)
			{
				document.getElementById('volgend').style.display="none";
				document.getElementById('vorig').style.display="";
			}
			else if (this.counter == 0)
			{
				document.getElementById('volgend').style.display = "";
				document.getElementById('vorig').style.display = "none";
			}
			else
			{
				document.getElementById('volgend').style.display="";
				document.getElementById('vorig').style.display="";
			}
		}
	}
};

function nextproject()
{
	this.counter = this.counter + 1;
	projecten_functie(this.counter, this.projecten, 'false', this.onderdeel);
};

function prevproject()
{
	this.counter = this.counter - 1;
	projecten_functie(this.counter, this.projecten, 'false', this.onderdeel);
};

function footermap(id, num, f)
{
	if (f == 'true')
	{
		document.getElementById('finfo_vak' + num).style.display = "";
	}
	else
	{
		document.getElementById('info_vak' + num).style.display = "";
	}

};

function footermapout(id, num, f)
{
	if (f == 'true')
	{
		document.getElementById('finfo_vak' + num).style.display = "none";
	}
	else
	{
		document.getElementById('info_vak' + num).style.display = "none";
	}
};