function popupcentree(page,largeur,hauteur,options)
{
	var top=(screen.height-hauteur)/2;
	var left=(screen.width-largeur)/2;
	window.open(page,"","top="+top+",left="+left+",width="+largeur+",height="+hauteur+","+options);
}

function connectUser()
{
	$('connexion_user').submit();			
}

function clean_login()
{
	$('login').value = "";
}

function clean_pass()
{
	$('pwd').value = "";
}

function clean_recherche()
{
	$('recherche_value').value = "";
}

function submit_search()
{
	$('recherche_item').submit();		
}



Event.observe(window, 'load', function() {
	if ( $('btn_connexion')) Event.observe('btn_connexion', 'click', connectUser);
	if ( $('login')) Event.observe('login', 'focus', clean_login);
	if ( $('recherche_value')) Event.observe('recherche_value', 'focus', clean_recherche);
	if ( $('pwd')) Event.observe('pwd', 'focus', clean_pass);
	if ( $('rech_button')) Event.observe('rech_button', 'click', submit_search);
});