function ge()
{
  var ea;
  for( var i = 0; i < arguments.length; i++ ) {
    var e = arguments[i];
    if( typeof e == 'string' )
      e = document.getElementById(e);
    if( arguments.length == 1 )
      return e;
    if( !ea )
      ea = new Array();
    ea[ea.length] = e;
  }
  return ea;
}

function show()
{
  for( var i = 0; i < arguments.length; i++ ) {
    var element = ge(arguments[i]);
    if (element && element.style) element.style.display = 'block';
  }
}

function show2()
{
  for( var i = 0; i < arguments.length; i++ ) {
    var element = ge(arguments[i]);
   	if (element && element.style) element.style.display = "inline";
  }
  return false;
}

function hide()
{
  for( var i = 0; i < arguments.length; i++ ) {
    var element = ge(arguments[i]);
    if (element && element.style) element.style.display = 'none';
  }
}

function shown(el) {
    el = ge(el);
    return (el.style.display != 'none');
}

function toggle()
{
  for( var i = 0; i < arguments.length; i++ ) {
     var element = ge(arguments[i]);
     element.style.display = (element.style.display == 'block') ? 'none' : 'block';
  }
  return false;
}

function remove_node(node)
{
  if (node.removeNode)
    node.removeNode(true);
  else {
    for (var i=node.childNodes.length-1; i>=0; i--)
    remove_node(node.childNodes[i]);
    node.parentNode.removeChild(node);
  }
  return null;
}

function textLimit(ta, count) {
  var text = ge(ta);
  if(text.value.length > count) {
    text.value = text.value.substring(0,count);
    if(arguments.length>2) { // id of an error block is defined
      ge(arguments[2]).style.display='block';
    }
  }
}

function isIE() {
 return (navigator.userAgent.toLowerCase().indexOf("msie") != -1);
}   

function add_event(element, eventName, handler) {
  if (element.addEventListener) {
    element.addEventListener(eventName, handler, false);
  } else {
    element.attachEvent("on" + eventName, handler);
  }
}

function placeholderSetup(id) {
	var el = ge(id);
	if(!el) return;
	if(el.type != 'text') return;
	if(el.type != 'text') return;
	
	var ph = el.getAttribute("placeholder");
	if( ph && ph != "" ) {
		el.value = ph;
		el.style.color = '#777';
		el.is_focused = 0;
		el.onfocus = placeholderFocus;
		el.onblur = placeholderBlur;
	}
}

function placeholderFocus() {
  if(!this.is_focused) {
    this.is_focused = 1;
    this.value = '';
    this.style.color = '#000';

    var rs = this.getAttribute("radioselect");
    if( rs && rs != "" ) {
      var re = document.getElementById(rs);
      if(!re) { return; }
      if(re.type != 'radio') return;

      re.checked=true;
    }
  }
}

function placeholderBlur() {
  var ph = this.getAttribute("placeholder")
  if( this.is_focused && ph && this.value == "" ) {
		this.is_focused = 0;
    this.value = ph;
    this.style.color = '#777';
  }
}

function ajaxDel(nID, module, method)
{
    new Ajax.Request('index.php?s=' + module + '&ev=' + method, {
        method: 'post',
        parameters: 'curr_prod_id=' + curr_prod_id + '&prod_id=' + nID, 
        onSuccess: function (transport) 
        {
            $('tr' + nID).remove();
        },
         
        onFailure: function (transport) 
        {
            alert('error');
        }
    });
}