function newGo2(box) {
	if ((-1 < box.selectedIndex) && (box.options[box.selectedIndex].value.lastIndexOf('virtualcenter.com') != -1)) {
		document.forms[0].action = box.options[box.selectedIndex].value;
		document.forms[0].submit();
		return true;
  }
	if ((-1 < box.selectedIndex) && (box.options[box.selectedIndex].value !='nil')) {
		val = box.options[box.selectedIndex].value;
		if (val.lastIndexOf(',') != -1) {
			window.open ((val.substring(0,val.lastIndexOf(","))), (val.substring((val.lastIndexOf(",")+1) , val.length)));
		} else {
			window.open (val, '_top');
    }
  }
	return true;
}

<!-- //
function handleError() {
	return true;
}
window.onerror = handleError;
//-->


function OutText(BoxName) {
	if (BoxName.value == BoxName.defaultValue) {
		BoxName.value = '';
	}
}

function PopupCentrer(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);
}