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) {
		menu_gauche_04_over = newImage("images/menu_gauche_04-over.gif");
		menu_gauche_06_over = newImage("images/menu_gauche_06-over.gif");
		menu_gauche_07_over = newImage("images/menu_gauche_07-over.gif");
		menu_gauche_08_over = newImage("images/menu_gauche_08-over.gif");
		menu_gauche_09_over = newImage("images/menu_gauche_09-over.gif");
		menu_gauche_10_over = newImage("images/menu_gauche_10-over.gif");
		menu_gauche_11_over = newImage("images/menu_gauche_11-over.gif");
		menu_gauche_12_over = newImage("images/menu_gauche_12-over.gif");
		menu_gauche_13_over = newImage("images/menu_gauche_13-over.gif");
		menu_gauche_14_over = newImage("images/menu_gauche_14-over.gif");
		menu_gauche_15_over = newImage("images/menu_gauche_15-over.gif");
		menu_gauche_16_over = newImage("images/menu_gauche_16-over.gif");
		menu_gauche_17_over = newImage("images/menu_gauche_17-over.gif");
		preloadFlag = true;
	}
}

function openpop( url, width, height, options)
{
  if ( ! options ) options = "scrollbars=1,menubar=1,toolbar=no,location=no,status=1,resizable=1,left=1,top=1";

  var newWin = window.open( url,"", "width=" + width + ",height=" + height + "," + options );
}