function showParts(menunummer)
{
	var element2 = document.getElementById("deel2Menu" + menunummer);
	var element3 = document.getElementById("deel3Menu" + menunummer);
			
	if(element2)
	{
		element2.className  = "witmidden "
	}
		
	if(element3)
	{
		element3.className  = "witrechts rounding"
	}
}

function hideParts(menunummer)
{
	var element2 = document.getElementById("deel2Menu" + menunummer);
	var element3 = document.getElementById("deel3Menu" + menunummer);
			
	if(element2)
	{
		element2.className  = ""
	}
		
	if(element3)
	{
		element3.className  = "rounding"
	}
}

function changeImage(nummer,tabel, id)
{
	var element = document.getElementById("imgAfbeelding")
	var maxelement =  document.getElementById("hidMaximages")
	
	if(element)
	{
		element.src = "getthumb.asp?id=" + id + "&tabelnaam=" + tabel + "&veldnaam=afbeelding" + nummer + "&width=387&height=300&marked=true"
		element = document.getElementById("hidcurrent").value = nummer
		
		if(nummer == 1)
		{
			document.getElementById("btPreviousImage").style.visibility="hidden"
		}
		else
		{
			document.getElementById("btPreviousImage").style.visibility="visible"
		}
		
		if (nummer == maxelement.value )
		{
			document.getElementById("btNextImage").style.visibility="hidden"
		}
		else
		{
			document.getElementById("btNextImage").style.visibility="visible"
		}
		
		var teller = 1
		element = document.getElementById("btImage"+teller)
		while (element)
		{
			if (teller == nummer)
			{
				element.style.color = "#f26b21"
			}
			else
			{
				element.style.color = "#FFFFFF"
			}
			
			teller = teller + 1;
			element = document.getElementById("btImage"+teller)
		}
	}
}

function changeTitle(string, string2)
{
	document.getElementById('onderschrift').innerHTML = string;	
	document.getElementById('onderschriftLink').innerHTML = string2;	
}

function changeTitles()
{
	var Belement = document.getElementById("hidcurrent").value;
	string = document.getElementById('onder_'+Belement).value;
	string2 = document.getElementById('link_'+Belement).value;
	document.getElementById('onderschrift').innerHTML = string.replace(/\\/g, "");	
	document.getElementById('onderschriftLink').innerHTML = string2.replace(/\\/g, "");	
}

function previousImage(tabel, id)
{
	nummer = document.getElementById("hidcurrent").value - 1;
	var maxelement =  document.getElementById("hidMaximages")
	
	var element = document.getElementById("imgAfbeelding");
	if(element)
	{
		element.src = "getthumb.asp?id=" + id + "&tabelnaam=" + tabel + "&veldnaam=afbeelding" + nummer + "&width=387&height=300&marked=true"
		element = document.getElementById("hidcurrent").value = nummer;
		
		if(nummer == 1)
		{
			document.getElementById("btPreviousImage").style.visibility="hidden"
		}
		
		if (nummer < maxelement.value )
		{
			document.getElementById("btNextImage").style.visibility="visible"
		}
		
		var teller = 1
		element = document.getElementById("btImage"+teller)
		while (element)
		{
			if (teller == nummer)
			{
				element.style.color = "#f26b21"
			}
			else
			{
				element.style.color = "#FFFFFF"
			}
			
			teller = teller + 1;
			element = document.getElementById("btImage"+teller)
		}
	}
}

function nextImage(tabel, id)
{
	nummer = parseInt(document.getElementById("hidcurrent").value) +1;
	var maxelement =  document.getElementById("hidMaximages")

	var element = document.getElementById("imgAfbeelding");
	if(element)
	{
		element.src = "getthumb.asp?id=" + id + "&tabelnaam=" + tabel + "&veldnaam=afbeelding" + nummer + "&width=387&height=300&marked=true"
		element = document.getElementById("hidcurrent").value = nummer;
		
		if (nummer == maxelement.value )
		{
			document.getElementById("btNextImage").style.visibility="hidden"
		}
		else
		{
			document.getElementById("btNextImage").style.visibility="visible"
		}
		
		if(nummer > 1)
		{
			document.getElementById("btPreviousImage").style.visibility="visible"
		}
		
		var teller = 1
		element = document.getElementById("btImage"+teller)
		while (element)
		{
			if (teller == nummer)
			{
				element.style.color = "#f26b21"
			}
			else
			{
				element.style.color = "#FFFFFF"
			}
			
			teller = teller + 1;
			element = document.getElementById("btImage"+teller)
		}
	}
}