// JavaScript Document
var sUrl = 'http://vaizdai.libis.lt';
var main_www = sUrl;

function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      if (oldonload) {
        oldonload();
      }
      func();
    }
  }
}
function _main() {
  top.location.href = main_www;
}

function w(a) {
  this.a = a;
  //return this.a;
}
function each2(f) {
  if(this.a.length) for(var i=0;i<this.a.length;i++) f(this.a[i],i);
}
function show2() {
  if (this.a) this.a.style.display = 'block';
}
function hide2() {
  if (this.a) this.a.style.display = 'none';
}
w.prototype.each=each2;
w.prototype.show=show2;
w.prototype.hide=hide2;

function $(id) {
  if (typeof id == 'string')
    return document.getElementById(id);
  else
    return new w(id);
}

function submit_button(dowhat) {
  with ($('submit_button')) {
    if (dowhat == 'enable') {
      disabled = false;
      value = 'Išsaugoti';
    } else {
      disabled = true;
      value = 'Palaukite...';
    }
  }
}

function is_number(nr) {
  return /^\d+$/.test(nr);
}
function each(a, f) {
  if(a.length) for(i=0;i<a.length;i++) f(a[i],i);
}
function select_link(links, a) {
  $(links).each(function(l) { l.setAttribute('id',(l==a)?'selected':''); })
}
function check_mail(mail) {
  var filter = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
	return filter.test(mail);
}