var sens;
var actualCountry;
var newCountry;

function DisplayGoodies(sens){
	//alert("sens = "+sens+" - actualCountry = "+actualCountry);
	if(sens != 0){ actualCountry = newCountry; }
	layerid = tabCountries[actualCountry];
	newCountry = actualCountry + sens;
	if(newCountry == -1){ newCountry = (tabCountries.length-1); }
	if(newCountry == tabCountries.length){ newCountry = 0; }
	newlayerid = tabCountries[newCountry];
	if(newCountry >= 0 && newCountry <= (tabCountries.length - 1)){
		if(document.all){
			document.all[layerid].style.display="none";
			document.all[newlayerid].style.display="block";
		}
		if(document.getElementById){
			document.getElementById(layerid).style.display="none";
			document.getElementById(newlayerid).style.display="block";
		}
	}	
}