bUseJava=(document.images);

var oSelectedItem = null;		
var activeMenu = null;
var activeImg = null;
var activeSub = null;

preloading = "";

// Begin Preload HoofdMenu
function preloadImg()
{
	if (bUseJava)
	{
		CreatePreloadItem('knop_gratisaanmelden');
		CreatePreloadItem('knop_inloggen');
		CreatePreloadItem('knop_gratisplaatsen');
		CreatePreloadItem('knop_directbieden');
		CreatePreloadItem('knop_blue_gratisplaatsen');
		CreatePreloadItem('knop_blue_mijngegevens');
		CreatePreloadItem('knop_orange_snelzoeken');
		CreatePreloadItem('knop_orange_mijngegevens');
	}
	preloading = "ready"; //nu kan de functie changeImg worden aangeroepen
}


function CreatePreloadItem(strItem)
{
	if (eval('document.' + strItem))
	{
		eval(strItem + '1 = new Image();');
		eval(strItem + '2 = new Image();');
		eval(strItem + '1.src = document.' + strItem + '.src');
		eval(strItem + '2.src = "/_images/'+ strItem + '_ov.gif"');
	}
}
// End Preload HoofdMenu		
		

function changeImg(strName,Pi)
{
	if (preloading == "ready" && bUseJava)
	{
		if (document[strName] != oSelectedItem) {
			document[strName].src = eval(Pi + ".src");
		}
	}
}

function mouseOverMenu(strName, Pi)
{
	if (activeMenu!=strName) {
		changeImg(strName, Pi);
	}
}

function mouseOutMenu(strName, Pi)
{
	if (activeMenu!=strName) {
		changeImg(strName, Pi);
	}
}