if (document.images) {
	link01_over = newImage("images/link01-over.gif");
	link02_over = newImage("images/link02-over.gif");
	link03_over = newImage("images/link03-over.gif");	
	link04_over = newImage("images/link04-over.gif");	
	link05_over = newImage("images/link05-over.gif");
	link06_over = newImage("images/link06-over.gif");
	
	int_link01_over = newImage("images/int_link01-over.gif");
	int_link02_over = newImage("images/int_link02-over.gif");
	int_link03_over = newImage("images/int_link03-over.gif");	
	int_link04_over = newImage("images/int_link04-over.gif");	
	int_link05_over = newImage("images/int_link05-over.gif");
	int_link06_over = newImage("images/int_link06-over.gif");
	
	about_sublink01_over = newImage("images/about_sublink01-over.gif");
	about_sublink02_over = newImage("images/about_sublink02-over.gif");
	about_sublink03_over = newImage("images/about_sublink03-over.gif");	
	about_sublink04_over = newImage("images/about_sublink04-over.gif");	
	
	news_sublink01_over = newImage("images/news_sublink01-over.gif");
	news_sublink02_over = newImage("images/news_sublink02-over.gif");
	
	seminars_sublink01_over = newImage("images/seminars_sublink01-over.gif");
	seminars_sublink02_over = newImage("images/seminars_sublink02-over.gif");
	seminars_sublink03_over = newImage("images/seminars_sublink03-over.gif");
	
	contact_sublink01_over = newImage("images/contact_sublink01-over.gif");
	contact_sublink02_over = newImage("images/contact_sublink02-over.gif");
	contact_sublink03_over = newImage("images/contact_sublink03-over.gif");
}

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}


function over(imgName) {
  if (document.images) 
    document[imgName].src = eval(imgName + '_over.src')
}

function out(imgName) {
  if (document.images)
    document[imgName].src = 'images/' + imgName + '.gif'
}