var dir = "images/";
var images = Array();
  
images=[
  ['account_button', 'account_button.jpg', 'account_button_a.jpg'],
  ['contact_button', 'contact_button.jpg', 'contact_button_a.jpg'],
  ['cases_button', 'cases_button.jpg', 'cases_button_a.jpg'],
  ['factsheets_button', 'factsheets_button.jpg', 'factsheets_button_a.jpg'],
  ['vacatures_button', 'vacatures_button.jpg', 'vacatures_button_a.jpg'],
  ['dieseltoeslag_button', 'dieseltoeslag_button.jpg', 'dieseltoeslag_button_a.jpg'],
  ['nieuws_button', 'nieuws_button.jpg', 'nieuws_button_a.jpg']
];

for(i = 0; i < images.length; i++) 
{
 	eval(images[i]['0']+" = new Image();");
 	eval(images[i]['0']+".src = '"+dir+images[i]['1']+"';");
 	eval(images[i]['0']+"Over = new Image();");
 	eval(images[i]['0']+"Over.src = '"+dir+images[i]['2']+"';");
}
  
function rollOver(imgName) 
{
	if(document.images) 
 	{
   		imgOver = eval(imgName + "Over.src");
   		document[imgName].src = imgOver;
 	}
}
		   
function rollOut(imgName) 
{
 	if(document.images) 
 	{
   		imgOut = eval(imgName + ".src");
   		document[imgName].src = imgOut;
 	}
}