// define the main menu hotspot images and their alternatives.
if (document.images) {	
	rm_hot01off = new Image(84,18);
  rm_hot01off.src = "../images/buttons/edit_carta.gif";
  rm_hot01on = new Image(84,18);
 	rm_hot01on.src = "../images/buttons/edit_cartb.gif";
	rm_hot01click = new Image(84,18);
 	rm_hot01click.src = "../images/buttons/edit_cartc.gif";
	
	CMD_searchoff = new Image(20,20);
  CMD_searchoff.src = "../images/buttons/searcha.gif";
  CMD_searchon = new Image(20,20);
 	CMD_searchon.src = "../images/buttons/searchb.gif";
	CMD_searchclick = new Image(20,20);
 	CMD_searchclick.src = "../images/buttons/searchc.gif";
	
	CMD_add_newsletteroff = new Image(20,19);
  CMD_add_newsletteroff.src = "../images/buttons/add_newslettera.gif";
  CMD_add_newsletteron = new Image(20,19);
 	CMD_add_newsletteron.src = "../images/buttons/add_newsletterb.gif";
	CMD_add_newsletterclick = new Image(20,19);
 	CMD_add_newsletterclick.src = "../images/buttons/add_newsletterc.gif";
	
	CMD_currency_ukoff = new Image(45,34);
  CMD_currency_ukoff.src = "../images/buttons/uk_flaga.gif";
  CMD_currency_ukon = new Image(45,34);
 	CMD_currency_ukon.src = "../images/buttons/uk_flagb.gif";
	CMD_currency_ukclick = new Image(45,34);
 	CMD_currency_ukclick.src = "../images/buttons/uk_flagc.gif";
	
	CMD_currency_eurooff = new Image(45,34);
  CMD_currency_eurooff.src = "../images/buttons/euro_flaga.gif";
  CMD_currency_euroon = new Image(45,34);
 	CMD_currency_euroon.src = "../images/buttons/euro_flagb.gif";
	CMD_currency_euroclick = new Image(45,34);
 	CMD_currency_euroclick.src = "../images/buttons/euro_flagc.gif";
}

//
//	Returns true if the given variable is blank:
//
function IsBlank(value) {
	// cast to string.
	var str = "" + value;
	return ((str == "") || (str == " ") || (str == "undefined") || (str == "null") || (str == null));
}

//
// Sets the roll-in image:
//
//	N.B the 'on_name' param is optional - it overrides the default value of 'on' for the active image object.
//
function RollIn(img_name, on_name) {
	if (document.images) {
		var the_on_name = (IsBlank(on_name) ? 'on.src':on_name+'.src');
		document[img_name].src=eval(img_name + the_on_name);             
	}
	return true;
}
//
// Sets the roll-out image:
//
function RollOut(img_name) {
	if (document.images) {
		document[img_name].src=eval(img_name + "off.src");          
	}
	return true;
}

//
// Sets the on click image:
//
function RollClick(img_name) {
	if (document.images) {
		document[img_name].src=eval(img_name + "click.src");          
	}
	return true;
}

//
// Sets the roll-in form image:
//
function RollInFormImage(img_name) {
	document.all[img_name].src=eval(img_name + "on.src");           
}

//
// Sets the roll-out form image:
//
function RollOutFormImage(img_name) {
	document.all[img_name].src=eval(img_name + "off.src");    
}

//
// Sets the on click form image:
//
function RollClickFormImage(img_name) {
	document.all[img_name].src=eval(img_name + "click.src");   
}

if (self != top) {
	top.location.href = 'default.htm';
}

//
//	Opens the popup window.
//
function OpenPopupWindow(url, win_width, win_height) {
	var popupwindow = window.open(url, 'popupwindow', 'toolbar=no,location=no,directories=no,status=yes,menubar=no,scrollbars=yes,resizable=yes,width='+win_width+',height='+win_height);
	popupwindow.focus();
}