function changeCurrentActu( id_apercu )
{
	var list_apercu = $('actualites_scroll').getElementsByTagName('div');
	
	for( var i = 0 ; i < list_apercu.length ; i++ )
	{
		if( list_apercu[i].id == id_apercu ){
			list_apercu[i].className="apercu_current_actualite";
		} else {
			list_apercu[i].className="apercu_actualite";
		}
	}
}

function changeCurrentTemoignage( id_apercu )
{
	var list_apercu = $('temoignages_scroll').getElementsByTagName('div');
	
	for( var i = 0 ; i < list_apercu.length ; i++ )
	{
		if( list_apercu[i].id == id_apercu ){
			list_apercu[i].className="apercu_current_temoignage";
		} else {
			list_apercu[i].className="apercu_temoignage";
		}
	}
}

function changeCurrentContact( id_apercu )
{
	var list_apercu = $('contacts').getElementsByTagName('li');
	
	for( var i = 0 ; i < list_apercu.length ; i++ )
	{
		if( list_apercu[i].id == id_apercu ){
			list_apercu[i].className="apercu_current_contact";
		} else {
			list_apercu[i].className="apercu_contact";
		}
	}
}

function set_hoverable(cur_img, new_src) {
	var my_img = cur_img;
	var src_normal	= my_img.src;
	var src_hover 	= new_src;
	
	my_img.onmouseover = function() { my_img.src = src_hover; };
	my_img.onmouseout  = function() { my_img.src = src_normal; };
};

/**
 * ============================================
 * homepage
 * @author David Epely
 */
function roll_references() {
	$("references_picto").select("a").each(function(item, i){
		if(item.getStyle("position") != "relative"){
			//positionnement relatif des éléments qui se déplaceront
			item.setStyle({position: "relative"});
		}
			
		item.pos_x = parseFloat(item.getStyle('left') || '0');
		
		if( item.pos_x < -(i+1) * 90) {
			item.pos_x += ref_size;
			item.setStyle({left: (item.pos_x) + "px"});
		}
		item.setStyle({left: (-1 + item.pos_x) + "px"});
	});
}
function start_roll_references() {
	my_roll = setInterval("roll_references()", 40);
}
function stop_roll_references()
{
	if(my_roll != undefined)
		clearInterval(my_roll);
}
/**
 * ============================================
 **/