function showDiv(id) {
    document.getElementById(id).style.display = (document.getElementById(id).style.display == 'none') ? 'inline' : 'none';
}
function gotoLink(href, target) {
    if (!target) { target = "self"; }
//    var lnk = document.createElement("a");
//    alert(lnk.tagName);
//    lnk.setAttribute("href", href);
    switch (target) {
        case "self": window.location = href; break;
        case "new": window.open(href); /*lnk.setAttribute("target", "_blank");*/ break;
    }
    return;
    /*document.forms.item(0).appendChild(lnk);
    lnk.click();
    document.forms.item(0).removeChild(lnk);*/
}
function isValidUrl(s) {
	var regexp = /(ftp|http|https):\/\/(\w+:{0,1}\w*@)?(\S+)(:[0-9]+)?(\/|\/([\w#!:.?+=&%@!\-\/]))?/
	return regexp.test(s);
}