function checkfocussearchfield()
{
	searchfield = document.frm_zoeken.zoeken;
	if (searchfield.value == "Zoeken...")
	{
		searchfield.value = "";
	}
}
function checkblursearchfield()
{
	searchfield = document.frm_zoeken.zoeken;
	if (searchfield.value == "")
	{
		searchfield.value = "Zoeken...";
	}
}