function menuOn(id) {
    document.getElementById(id).src="templates/default/images/bt_"+id+"_on.png";
}

function menuOff(id) {        
	document.getElementById('home').src="templates/default/images/bt_home_off.png";
	document.getElementById('about').src="templates/default/images/bt_about_off.png";
	document.getElementById('news').src="templates/default/images/bt_news_off.png";
	document.getElementById('clients').src="templates/default/images/bt_clients_off.png";
	document.getElementById('register').src="templates/default/images/bt_register_off.png";
	document.getElementById('contact').src="templates/default/images/bt_contact_off.png";
	menuOn(id);
}


function hideDiv(id_2) {
	document.getElementById(id_2).style.display="none";
}

function showDiv(id,id_2) {
	document.getElementById(id).style.display="block";
	hideDiv(id_2);
}

function onlyNumber(event) {
	if(document.all) key = event.keyCode; 
	else key = event.which;
	if ( key>=48 && key<=57 ) return 1;
	else if ( key==8 || key==0) return 2;
	else return false;
}

function autoChange(frm,source,target) {
    if (source.maxLength>0) {
        if ( source.value.length >= source.maxLength) {
			if (document.getElementById("postal_code") == source) {
				var formObj = document.getElementById( frm );
				formObj[target].focus();
				xajax_execModule("jpf_address","","check_postal_code","","postal_code="+document.getElementById("postal_code").value);
			} else {
				var formObj = document.getElementById( frm );
				formObj[target].focus();
			}
        }
    }
}