function SwapImage1() {
	document.image1.src="images/intro/zakelijk_open.jpg"
	}

function SwapImage1Back() {
	document.image1.src="images/intro/zakelijk.jpg"
	}



function SwapImage2() {
	document.image1.src="images/intro/zakelijk_open.jpg"
	document.image2.src="images/intro/spacer.gif"
	document.image3.src="images/intro/particulier_open.jpg"
	}

function SwapImage2Back() {
	document.image1.src="images/intro/zakelijk.jpg"
	document.image2.src="images/intro/spacer.gif"
	document.image3.src="images/intro/particulier.jpg"
	}


function SwapImage3() {
  document.image3.src="images/intro/particulier_open.jpg"
	}

function SwapImage3Back() {
  document.image3.src="images/intro/particulier.jpg"
	}