function initMap()
{
	var map = document.getElementById('moerdijkkaart');
	var mapLinks = map.getElementsByTagName('a');

	var menu = document.getElementById('moerdijkgebieden');
	var menuLinks = menu.getElementsByTagName('a');
	
	for (iMap = 0; iMap < mapLinks.length; iMap++)
	{
		var mapA = mapLinks[iMap];
		var menuA = menuLinks[iMap];
		
		mapA.index = menuA.index = iMap + 1;
		
		mapA.onmouseover = menuA.onmouseover = function()
		{	
			activateIndex(this.index, true);
		}
		mapA.onmouseout = menuA.onmouseout = function()
		{	
			activateIndex(this.index, false);
		}
		mapA.href = menuA.href = '/de-9-plannen?cms[cm87][highlight]=' + (iMap + 1);
	}
}

function activateIndex(number, switcher)
{
	var mapItem = 'MapItem' + number;
	var menuItem = 'MenuItem' + number;

	mapItem = document.getElementById(mapItem);
	menuItem = document.getElementById(menuItem);
	
	if (switcher == true)
	{		
		mapItem.className = menuItem.className = 'active';
	}
	else
	{		
		mapItem.className = menuItem.className = '';
	}
}