function logOut()
{
	ht = document.getElementsByTagName("html");
	ht[0].style.filter = "progid:DXImageTransform.Microsoft.BasicImage(grayscale=1)";
	if (confirm('Weet u zeker dat u wilt uitloggen?'))
	{
		return true;
	}
	else
	{
		ht[0].style.filter = "";
		return false;
	}
}

function doClear(field) 
{
	if (field.value == field.defaultValue) 
	{
	 	field.value = "";
	}
}
function resetField(field) 
{
	if (field.value == '') 
	{
		field.value = field.defaultValue;
	}
}

function insertKey(argForm, argField)
{
	myForm = document.forms[argForm];
	myForm[argField].value = 'aNtIsPaMkEy!!11';
}

function printPage() 
{
	window.print();  
}

var maxWidth = 0;
var positionLeft = 0;
var skip = 2;
var minWidth = 0;
var timer = 5;


function sliderInit()
{
	
	$$('div.lijst div.item').each(function(item)
	{
		intElementWidth = item.getSize().size.x;
		maxWidth = maxWidth - intElementWidth;
	});
	
	maxWidth += 533;

	preloadImages();
}



function startLeft()
{
	goleft = setInterval("goLeft()", 5);
}

function clearLeft()
{
	clearInterval(goleft)
}

function goLeft()
{
	
	if((positionLeft + skip) <= minWidth)
	{
		positionLeft = positionLeft + skip;
	}

	$('lijst').setStyle('left', positionLeft + 'px');
}

function startRight()
{
	goright = setInterval("goRight()", 5);
}

function clearRight()
{
	clearInterval(goright)
}

function goRight()
{

	if((positionLeft - skip) >= maxWidth)
	{
		positionLeft = positionLeft - skip;
	}
	
	$('lijst').setStyle('left', positionLeft + 'px');
}


function showPainting(intId, objElement)
{
	$$('div.lijst div.item').each(function(item)
	{
		item.removeClass('active');
	});
	
	objElement.blur();
	objElement.addClass('active');
	
	$('schilderij_titel').innerHTML = decodeURIComponent(objPaintings.paintings[intId].title);
	$('schilderij_beschrijving').innerHTML = decodeURIComponent(objPaintings.paintings[intId].description);
	$('schilderij_large_wrapper').innerHTML = '<img id="schilderij_large" src="' + objPaintings.paintings[intId].image + '" alt="" onclick="showMonxBox(\'' + objPaintings.paintings[intId].original + '\', \'' + objPaintings.paintings[intId].width + '\', \'' + objPaintings.paintings[intId].height + '\', \'' + objPaintings.paintings[intId].title + '\')" />';
	//$('schilderij_large_wrapper').innerHTML = '<img id="schilderij_large" src="' + objPaintings.paintings[intId].image + '" alt="" onclick="showMonxBox(\'' + strSiteUrl + 'iframe/?image=' + objPaintings.paintings[intId].original + '\', \'' + objPaintings.paintings[intId].width + '\', \'' + objPaintings.paintings[intId].height + '\', \'' + objPaintings.paintings[intId].title + '\')" />';
}

function preloadImages()
{
	var preload = new Image();
	
	objPaintings.paintings.each(function(item)
	{
		if(item =! 'undefined')
		{
			preload.src = item.image;
		}
	});
}

function insertKey(objElement)
{
	$(objElement).value = 'aNtIsPaMkEy!!11';
}