function deroule(timeOpen, effectOpen, timeClose, effectClose){
	var defaults = {
		timeOpen: 400,
		effectOpen: "easeOutQuad",
		timeClose: 400,
		effectClose: "easeOutQuad"
	};
	var options = $.extend(defaults, options);
	$("ul.sub").hide() ;
	$("ul#menujs li").click(		
		function() {
			if($("ul.sub:visible",this).length != 0){
				$("ul.sub",this).slideUp({duration:timeClose, easing:effectClose});
				$("ul.sub",this).prev('a').removeAttr('class'); 
			}else{	
				$("ul.sub").slideUp({duration:timeClose, easing : effectClose}); 
				$("ul.sub").prev('a').removeAttr('class'); 
				
				$("ul.sub",this).slideDown({duration:timeOpen, easing : effectOpen});
				$("ul.sub",this).prev('a').addClass('selected'); 
			}
			//return false; 
		});
};
///////////////////////////////////////////
$(document).ready(function(){
	deroule(700, "easeOutBack", 500, "easeInOutQuad");
	//fonction(timeOpen, effectOpen, timeClose, effectClose);
});