function na_open_window(name, url, left, top, width, height, toolbar, menubar, statusbar, scrollbar, resizable)
{
  toolbar_str = toolbar ? 'yes' : 'no';
  menubar_str = menubar ? 'yes' : 'no';
  statusbar_str = statusbar ? 'yes' : 'no';
  scrollbar_str = scrollbar ? 'yes' : 'no';
  resizable_str = resizable ? 'yes' : 'no';
  window.open(url, name, 'left='+left+',top='+top+',width='+width+',height='+height+',toolbar='+toolbar_str+',menubar='+menubar_str+',status='+statusbar_str+',scrollbars='+scrollbar_str+',resizable='+resizable_str);
}


function closeWindow() {
	window.close();
	}




function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		nav3_02_over = newImage("images/nav3_02-over.gif");
		nav3_03_over = newImage("images/nav3_03-over.gif");
		nav3_04_over = newImage("images/nav3_04-over.gif");
		nav3_05_over = newImage("images/nav3_05-over.gif");
		nav3_06_over = newImage("images/nav3_06-over.gif");
		fleche_violet_01_over = newImage("images/fleche-violet_01-over.gif");
		fleche_beige_01_over = newImage("images/fleche-beige_01-over.gif");
		fleche_beige_F_01_over = newImage("images/fleche-beige_F_01-over.gif");
		fleche_jaune_01_over = newImage("images/fleche-jaune_01-over.gif");
		fleche_vert_01_over = newImage("images/fleche-vert_01-over.gif");
		home2_05_over = newImage("images/home2_05-over.gif");
		home2_07_over = newImage("images/home2_07-over.gif");
		home2_08_over = newImage("images/home2_08-over.gif");
		home2_09_over = newImage("images/home2_09-over.gif");
		home2_10_over = newImage("images/home2_10-over.gif");
		gauche_01_over = newImage("images/images-open/gauche_01-over.jpg");
		preloadFlag = true;
	}
}