function MM_preloadImages() { //v3.0
  var d=document;
  if(d.images){
    if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments;
    for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){
      d.MM_p[j]=new Image;
      d.MM_p[j++].src=a[i];
    }
  }
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr;
  for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++)
    x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;
  if(!d) d=document;
  if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);
  }
  if(!(x=d[n])&&d.all)
    x=d.all[n];
  for (i=0;!x&&i<d.forms.length;i++)
    x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++)
    x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById)
    x=d.getElementById(n);
  return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments;
  document.MM_sr=new Array;
  for(i=0;i<(a.length-2);i+=3)
    if ((x=MM_findObj(a[i]))!=null){
      document.MM_sr[j++]=x;
      if(!x.oSrc)
	x.oSrc=x.src;
      x.src=a[i+2];
    }
}

var m_menu=null;
var m_sub_menu=null;
var m_over_menu=null;

function overMenu(menu)
{
  if (!menu)
    menu=m_over_menu;
  m_over_menu=menu;
  if(!menu) return true;
  
  var menus=document.getElementById('menus').getElementsByTagName('td');
  for(var i=0;i<menus.length;i++)
  {
    var menu_td = menus[i];
    
    /*
    if (menu_td.id=='menu_'+menu)
      menu_td.style.color="#889900";
    else
      menu_td.style.color="#FFF";
      
    */
    if (menu_td.id=='menu_'+menu)
      menu_td.style.backgroundImage="url('../common/blank_images/button2.gif')";
    else
      menu_td.style.backgroundImage="url('../common/blank_images/button1.gif')";
  }
  
  
  var sub_menus=document.getElementById('sub_menus').getElementsByTagName('div');
  
  for(var i=0;i<sub_menus.length;i++)
  {
    var sub_menu_div=sub_menus[i];
    if (sub_menu_div.id=='sub_menu_'+menu)
    {
      sub_menu_div.style.display='block';
    }
    else
    {
      sub_menu_div.style.display='none';
    }
  }
  
  return true;
}

function setMenu(menu,sub_menu)
{
  m_menu=menu;
  m_sub_menu=sub_menu;
  
  var menus=document.getElementById('menus').getElementsByTagName('td');
  for(var i=0;i<menus.length;i++)
  {
    var menu_td = menus[i];
    if (menu_td.id=='menu_'+menu)
      menu_td.style.backgroundImage="url('blank_images/button2.gif')";
    else
      menu_td.style.backgroundImage="url('blank_images/button1.gif')";
  }
  
  var sub_menus=document.getElementById('sub_menus').getElementsByTagName('div');
  
  
  for(var i=0;i<sub_menus.length;i++)
  {
    var sub_menu_div=sub_menus[i];
   
    if (sub_menu_div.id=='sub_menu_'+menu)
    {
      sub_menu_div.style.display='block';
      
      var sub_menu_items= sub_menu_div.getElementsByTagName('td');
      for (var j=0;j<sub_menu_items.length; j++)
      {
	var sub_menu_item= sub_menu_items[j];
	if (sub_menu_item.id=='sub_menu_item_'+menu+'_'+sub_menu)
	{
	  sub_menu_item.style.color='#7c51a1';
	}
	
      }
    }
    else
    {
      sub_menu_div.style.display='none';
     
    }
  }
  

}

function resetMenu()
{
  //setMenu(m_menu,m_sub_menu);
}

function bannerUseImage(src) {
  var img = document.getElementById('banner_img');
  img.src = src;
}

function changeLang(lang) {
  if (!lang) return;
  
  var last_slash = window.location.pathname.lastIndexOf('/');
  var target = window.location.pathname.substr(0,last_slash-2)+lang +  window.location.pathname.substr(last_slash);
  window.location.href = target;
  
}

function quick_enquiry_form_check() {

    var flag = true;

    if (!$('qe_email').value.contains('@'))
    {
	flag = false;
	$('qe_email_invalid').style.display='block';
    }
    else
    {
	$('qe_email_invalid').style.display='none';
    }
    
    if (!($('qe_name').value.length > 0))
    {
	flag = false;
	$('qe_name_invalid').style.display='block';
    }
    else
    {
	$('qe_name_invalid').style.display='none';
    }
    
    if (!$('qe_phone').value.length > 0 || !($('qe_phone').value.match(/\d+/)))
    {
	flag = false;
	$('qe_phone_invalid').style.display='block';
    }
    else
    {
	$('qe_phone_invalid').style.display='none';
    }
    
    return flag;
    
}


function quick_enquiry_show() {
    $('quick_enquiry_btn').style.display='none';
    $('quick_enquiry_submitting').style.display = 'none';
    $('quick_enquiry_submit_btn').style.display='block';
    $('quick_enquiry_form_holder').style.display='block';
    
}

function quick_enquiry_submit() {
    
    if (!quick_enquiry_form_check())
	return;
    
    $('quick_enquiry_submit_btn').style.display='none';
    $('quick_enquiry_form_holder').style.display='none';
    $('quick_enquiry_btn').style.display='none';
    $('quick_enquiry_submitting').style.display = 'block';
    
    var request= new Request({
	url:'../common/qe.php',
	 onSuccess: quick_enquiry_done
	});
    request.send('qe_name='+$('qe_name').value+'&qe_email='+$('qe_email').value+'&qe_phone='+$('qe_phone').value+'&qe_type='+$('qe_type').options[$('qe_type').selectedIndex].value+'&qe_message='+$('qe_message').value);
}

function quick_enquiry_done() {
    $('quick_enquiry_submit_btn').style.display='none';
    $('quick_enquiry_form_holder').style.display='none';
    $('quick_enquiry_btn').style.display='none';
    $('quick_enquiry_submitting').style.display = 'none';
    $('quick_enquiry_submitted').style.display = 'block';
    $('form_qe').reset();
    
}