var leftOpen = false;
var rightOpen = false;
var subOpen = false;
var subNameOpen ="";
var parentNameOpen = "";

/* Overzicht websites */
function showDropdown() 
{
	document.getElementById('dropdown').style.display = 'block';	
}

function hideDropdown()
{
	document.getElementById('dropdown').style.display = 'none';	
}

/* Clickdown menu */
function clicksubmenuLeft() 
{
	if(leftOpen)
	{
		document.navArrowLeft.src ='assets/site/images/whiteArrowDown.gif';
		document.getElementById('submenuLeft').style.display = 'none';
		
		leftOpen = false;
	}
	else
	{
		document.navArrowLeft.src ='assets/site/images/whiteArrowClose.gif';
		document.getElementById('submenuLeft').style.display = 'block';
		
		leftOpen = true;
	}
}

function clicksubmenuRight() 
{
	if(rightOpen)
	{
		document.navArrowRight.src ='assets/site/images/whiteArrowDown.gif';
		document.getElementById('submenuRight').style.display = 'none';
		
		rightOpen = false;
	}
	else
	{
		document.navArrowRight.src ='assets/site/images/whiteArrowClose.gif';
		document.getElementById('submenuRight').style.display = 'block';
		
		rightOpen = true;
	}
}

/* Clickdown submenu */
function clicksubsubmenu(the_id) 
{
	//alert ("test" +":" + the_id);
	var subid = "sub_" + the_id;
	var parentid = "parent_" + the_id;
	if(subNameOpen=="")
	{
		document.getElementById(subid).style.display = 'block';
	
		document.getElementById(parentid).style.backgroundImage = 'url(assets/site/images/submenuParentHoverActiv.png)';
		
		subOpen = true;
		subNameOpen = subid;
		parentNameOpen = parentid;
		
	}
	else
	{
		if(subNameOpen==subid)
		{
			document.getElementById(subNameOpen).style.display = 'none';
			document.getElementById(parentNameOpen).style.backgroundImage = 'url(assets/site/images/submenuParent.gif)';
			subOpen = false;
			subNameOpen="";
			parentNameOpen = "";
		}
		else
		{
			document.getElementById(subNameOpen).style.display = 'none';
			document.getElementById(parentNameOpen).style.backgroundImage = 'url(assets/site/images/submenuParent.gif)';
			subOpen = false;
			subNameOpen="";
			parentNameOpen = "";
			
			document.getElementById(subid).style.display = 'block';
			document.getElementById(parentid).style.backgroundImage = 'url(assets/site/images/submenuParentHoverActiv.png)';
			subOpen = true;
			subNameOpen = subid;
			parentNameOpen = parentid;
		}

	}
}

/* Normaal lettertype */
function fontsizeNormal()
{
	document.getElementById('mainContent').style.fontSize = '12px';	
}

/* Middelgroot lettertype */
function fontsizeMiddle()
{
	document.getElementById('mainContent').style.fontSize = '14px';	
}

/* Groot lettertype */
function fontsizeGroot()
{
	document.getElementById('mainContent').style.fontSize = '16px';	
}