<!-- Afschermen voor oude browsers

function changetabBG(action,id)
{

if (action=='over')
	
	{
	
			
		document.getElementById(id + '_1').src='images/cellpic_1_left.gif';
		document.getElementById(id + '_2').className='nav_right_header';
		document.getElementById(id + '_3').src='images/cellpic_1_right.gif';

		
	} 
	
if (action=='out')
	
	{
	

		document.getElementById(id + '_1').src='images/cellpic_1_left_b.gif';
		document.getElementById(id + '_2').className='nav_right_header_b';
		document.getElementById(id + '_3').src='images/cellpic_1_right_b.gif';
		
		
	}

}

function hide_category (menuid) {

				
	if (document.getElementById(menuid).style.display == "none") {
		document.getElementById(menuid).style.display = 'block';
		document.getElementById(menuid + '_img').src='images/menu_coll.jpg';
		deletemenu(menuid);
	} else {
		document.getElementById(menuid).style.display = 'none';
		document.getElementById(menuid + '_img').src='images/menu_exp.jpg';
		savemenu(menuid);
	}
	




}

function checkmenu () {



	if(menugetCookie())

	{

	
	var cookie = menugetCookie().split(")");
	max = cookie.length-1;

	   for(i=0;i < max;i++) {

		menuid1 = cookie[i];
		menuid = menuid1.substring(1);

			try
			{
				document.getElementById(menuid).style.display = 'none';
				document.getElementById(menuid + '_img').src='images/menu_exp.jpg';
				document.getElementById(menuid + '_img').alt='Expand';

			} catch(e) 
			{
			// id bevind zich niet in deze pagina
				
			}

		
		

	  }

	}


}

function savemenu(id)
{



if(menugetCookie())
	{
	var cookieinhoud = (menugetCookie() + "(" + id + ")");
	} else
	{
	var cookieinhoud = ("(" + id + ")");
	}

   document.cookie = "menu=" + cookieinhoud + ";expires=" + menuvervaldatum();

}


function deletemenu(id)
{

if(menugetCookie())

	{

	var cookie = menugetCookie().split("(" + id + ")");
	cookieinhoudnieuw = cookie[0] + cookie[1];

	document.cookie = "menu=" + cookieinhoudnieuw + ";expires=" + menuvervaldatum();

	}

}


function menuvervaldatum()
{

var jaar = new Date(); 
var jaar = jaar.getFullYear() + 1; 
return "Monday, 01-Jan-" + jaar + " 00:00:00 GMT"; 

}


function menugetCookie()
{

var search = "menu=";
if (document.cookie.length > 0) 
	{	
	offset = document.cookie.indexOf(search) 
	if (offset != -1) 
		{		
		offset += search.length
		end = document.cookie.indexOf(";", offset) 
		if (end == -1) 
		end = document.cookie.length
		return document.cookie.substring(offset, end)		
		}	
	}
}


function detectFF()
{

var browser=navigator.appName

if ((browser=="Netscape"))  

	{
	
	return true;
	
	}
	
}
// Einde afscherming -->