deselecteren zodra ja andere optie in een menu aanklikt (Opgelost)

<?php
// Zorg dat je hier dynamisch een array vult met de id's van de menu-items.
echo "<script>\n";
echo "var arrItems = new Array('item1', 'item2', 'item3');\n";
echo "</script>";
?>
<script>
function updateSelection(arrItems, curItem)
{
	var intAantal = arrItems.length;
	
	for(var i = 0; i < intAantal; i++)
	{
		document.getElementById(arrItems[i]).style.backgroundColor = "";
	}
	
	curItem.style.backgroundColor = "#999999";
}
</script>
<table>
	<tr>
		<td id="item1" onclick="updateSelection(arrItems, this);">item 1</td>
	</tr>
	<tr>
		<td id="item2" onclick="updateSelection(arrItems, this);">item 2</td>
	</tr>
	<tr>
		<td id="item3" onclick="updateSelection(arrItems, this);">item 3</td>
	</tr>
</table>

<?php
// Zorg dat je hier dynamisch een array vult met de id's van de menu-items.
echo "<script>\n";
echo "var arrItems = new Array('item1', 'item2', 'item3');\n";
echo "</script>";
?>
<script>
function updateSelection(arrItems, curItem)
{
	var intAantal = arrItems.length;
 
	for(var i = 0; i < intAantal; i++)
	{
		document.getElementById(arrItems[i]).style.backgroundColor = "";
	}
 
	curItem.style.backgroundColor = "#999999";
}
</script>
<table>
	<tr>
		<td id="item1" onclick="updateSelection(arrItems, this);">item 1</td>
	</tr>
	<tr>
		<td id="item2" onclick="updateSelection(arrItems, this);">item 2</td>
	</tr>
	<tr>
		<td id="item3" onclick="updateSelection(arrItems, this);">item 3</td>
	</tr>
</table>

<script>
var arrItems = new Array('item1', 'item2', 'item3');
</script>

<script>
var arrItems = new Array('item1', 'item2', 'item3');
</script>