var menu = 2;
var img = 1;

var current_menu;
var next_menu;
var next_img;

window.onload = updateMenu();

function updateMenu()
{
	current_menu = menu;
	next_menu = nextMenu(menu);
	next_img = nextImg(img);
	
	fadeMenu('nouveaute');
	fadeMenu('temoignage');
	fadeMenu('confiance');
	fadeMenu('diagnostic');
	fadeMenu('pretre');
	
	setTimeout('updateMenu()',4000);	
}

function fadeMenu(menu_id)
{
	$('#menu_'+menu_id+'_'+next_menu+' a img').attr('src','assets/images/'+menu_id+'_0'+next_img+'.jpg');
	$('#menu_'+menu_id+'_'+current_menu).fadeOut('slow');
	
	$('#menu_'+menu_id+'_'+next_menu).fadeIn('slow',function() {
		$('#menu_'+menu_id+'_'+current_menu+' a img').attr('src','assets/images/'+menu_id+'_0'+parseInt(next_img+1)+'.jpg');
	});
}
									  
function nextMenu(num)
{
	if(num == 1) {
		menu = 2;
	}
	else { 
		menu = 1;
	}
	return menu;
}

function nextImg(num)
{
	if(num == 1) {
		img = 2;
	}
	else if(num == 2) {
		img = 3;
	}
	else { 
		img = 1;
	}
	return img;
}

function columnsToBottom()
{
	return false;
	if($('#centrale').height() > $('#colonne_gauche').height())	{	
		$('#colonne_gauche').height($('#centrale').height());
	}
	else {
		$('#centrale').height($('#colonne_gauche').height());
	}
}