sfHover = function() 
{
	var sfEls = document.getElementById("nav").getElementsByTagName("LI");

	for (var i=0; i<sfEls.length; i++) 
	{
		sfEls[i].onmouseover = function() 
		{
			this.className += " sfhover";
		}
		sfEls[i].onmouseout=function() 
		{
			this.className = this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
}
if (window.attachEvent) 
{
	window.attachEvent("onload", sfHover);
}

function PhotoWinOpenFilename(directory, filename, thumbnail) 
{
	var url = "./modules/foto.php?directory=" + directory + "&filename=" + filename + "&thumbnail=" + thumbnail;
	window.open (url, "_blank","toolbar=no,location=no,menubar=no,scrollbars=yes,width=500,height=600,resizeable=yes,status=no");
}

function WinOpen(url) 
{
	window.open (url, "_blank","toolbar=no,location=no,menubar=no,scrollbars=yes,width=800,height=600,resizeable=yes,status=yes");
}

function onClick()
{
	window.close(); 
	window.opener.location.reload();
}

function smileToevoegen(icon, formnaam, veld) 
{
	new_message = document.forms[formnaam][veld].value + "" + icon;
    document.forms[formnaam][veld].focus();
    document.forms[formnaam][veld].value = new_message;
}

function voegNieuweToe(source, formnaam, veld, extra)
{
	if(document.forms[formnaam][extra].value == "open")
	{
		bericht = document.forms[formnaam][veld].value + "[" + source + "]";
	}
	else
	{
		bericht = document.forms[formnaam][veld].value + "[/" + source + "]";
	}
	
	document.forms[formnaam][veld].focus();
    
	document.forms[formnaam][veld].value = bericht;
	
	document.forms[formnaam][extra].value = "dicht";
}

function previewImage(image, veld)
{
	if(image == "")
	{
		srcImage = "../images/blank.png";
	}
	else
	{
		srcImage = "../images/plaatjes/" + image;
	}
	
	document[veld].src = srcImage;
}

function laatVeldenZien(id, option)
{
	if (option == 0)
	{
		document.getElementById(id).style.display = 'none';
	}
	else
	{
		document.getElementById(id).style.display = 'inline';
	}
}

function checkAll(formnaam, veldnaam, check)
{
	//als er geen check is opgegeven dit gedeelte ook uitvoeren
	if(check.length == 0)
	{
		if(document.forms[formnaam].allemaal.checked == true)
		{
			document.forms[formnaam].allemaal.checked = true;			
			check = true;
		}
		else
		{
			document.forms[formnaam].allemaal.checked = false;
			check = false;
		}
	}

	n = document.forms[formnaam].elements.length;
	
	for (i=0; i<n; i++)
	{
		if (document.forms[formnaam].elements[i].name.indexOf(veldnaam) !=-1)
		{
			document.forms[formnaam].elements[i].checked = check;
		}
	}
}