function initZoekForm()
{
	var zoekButton = document.getElementById('zoekbutton');
	var www_root = "http://www.nisb.nl/images/buttons/";
	zoekButton.onmouseover = function()
	{
		this.src = www_root+'zoek_hover.jpg';
	};
	zoekButton.onmouseout = function()
	{
		this.src = www_root+'zoek.jpg';
	};
}

if ( window.attachEvent )
{
	window.attachEvent('onload', initZoekForm);
}
else if ( window.addEventListener )
{
	window.addEventListener('load', initZoekForm, true);
}

function loadDoelgroep(image)
{
	var doelgroepImage = document.getElementById('doelgroepImage');
	
	doelgroepImage.src = image;
}

function loadDoelgroep2(image)
{
	var doelgroepImage = document.getElementById('doelgroepImage2');
	
		doelgroepImage.src = image;
	
}

function loadBeleidsinstrument(src,flash)
{
	var beleidImage = document.getElementById('beleidimage');
	var embededBeleidFlash = document.getElementById('embededBeleidFlash');
	
	if (flash == '')
	{
		beleidImage.src = src;
		beleidImage.style.display = 'block';
		embededBeleidFlash.style.display = 'none';
	} else {
		beleidImage.style.display = 'none';
		embededBeleidFlash.style.display = 'block';
		embededBeleidFlash.innerHTML='<embed class="iefix_embed" type="application/x-shockwave-flash" src="'+flash+'" width="164" height="95">'
	}
}

function loadEvent(src,flash)
{
	var eventImage = document.getElementById('eventimage');
	var embededEventFlash = document.getElementById('embededEventFlash');
	
	if (flash == '')
	{
		eventImage.src = src;
		eventImage.style.display = 'block';
		embededEventFlash.style.display = 'none';
	} else {

		eventImage.style.display = 'none';
		embededEventFlash.style.display = 'block';
		embededEventFlash.innerHTML='<embed class="iefix_embed" type="application/x-shockwave-flash" src="'+flash+'" width="164" height="95">'
	}
}

function beleidOver(src,flash,li,event)
{
	if ( Util.isOwnMouseOverEventOf(li, event) )
	{
		loadBeleidsinstrument(src,flash);
	}
}

function beleidOut(src,flash,li,event)
{
	if ( Util.isOwnMouseOutEventOf(li, event) )
	{
		loadBeleidsinstrument(src,flash);
	}
}


function eventOver(src,flash,li,event)
{
	if ( Util.isOwnMouseOverEventOf(li, event) )
	{
		loadEvent(src,flash);
	}
}

function eventOut(src,flash,li,event)
{
	if ( Util.isOwnMouseOutEventOf(li, event) )
	{
		loadEvent(src,flash);
	}
}

function loadBanner(src,id)
{
	var bannerImage = document.getElementById('banner_'+id);
	bannerImage.src = src;
}

function bannerOver(src,li,event,id)
{
	if ( Util.isOwnMouseOverEventOf(li, event) )
	{
		loadBanner(src,id);
	}
}

function bannerOut(src,li,event,id)
{
	if ( Util.isOwnMouseOutEventOf(li, event) )
	{
		loadBanner(src,id);
	}
}

function clearField(field,field2)
{
	document.getElementById(field).value="";
	document.getElementById(field2).value="";
}

function bookmarksite()
{
	if (document.all)
	{
		// For IE
		window.external.AddFavorite(location.href, document.title);
	}
	else if (window.sidebar)
	{
		// For Firefox
		window.sidebar.addPanel(document.title, location.href, "");
	}
}