function trigger_effect(src_element, first_img, second_img){
	image = src_element.getElementsByTagName('img')[0];
	image.src = image.src.match(first_img) ? second_img : first_img;
}

//slide news
function news() {
var mySlide = new Fx.Slide('news');
$('toggle1').addEvent('click', function(e){
	e = new Event(e);
	mySlide.toggle();
	e.stop();
});
}

//slide newsletters
function newsletters() {
var mySlide = new Fx.Slide('newsletters');
$('toggle2').addEvent('click', function(e){
	e = new Event(e);
	mySlide.toggle();
	e.stop();
});
}

//slide inpress
function inpress() {
var mySlide = new Fx.Slide('inpress');
$('toggle3').addEvent('click', function(e){
	e = new Event(e);
	mySlide.toggle();
	e.stop();
});
}

//slide events
function events() {
var mySlide = new Fx.Slide('events');
$('toggle4').addEvent('click', function(e){
	e = new Event(e);
	mySlide.toggle();
	e.stop();
});
}