var isIE = (navigator.appVersion.indexOf("MSIE") != -1) ? true : false;
  	var xPosition = isIE ? 0 : 0;
  	var _width = 188;
  	var yPosition = 40;
  	
	// definitions des hauteurs de menus selon nbre de sous-menu
  //new ypSlideOutMenu("id menu","id parent", "slide position", left, top, width, height)
  	new ypSlideOutMenu("menu1","","down",xPosition +21,yPosition,190,180);
	new ypSlideOutMenu("menu2","","down",xPosition +214,yPosition,190,180);
  	new ypSlideOutMenu("menu3","","down",xPosition +407,yPosition,190,180);
	new ypSlideOutMenu("menu4","","down",xPosition +600,yPosition,190,180);
	new ypSlideOutMenu("menu5","","down",xPosition +793,yPosition,190,180);