function trimString (str) 
{
    return str.replace(/^\s+/g, '').replace(/\s+$/g, '');
}

function getLabelForId(id) 
{
    var label, labels = document.getElementsByTagName('label');
    for (var i = 0; (label = labels[i]); i++) 
    {
        if (label.htmlFor == id) 
            return label;
            
    }
    return false;
} 

function validateEmail( strValue) 
{

    var objRegExp  = /^[a-zA-Z0-9._-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,4}$/;
    

  //check for valid email
  return objRegExp.test(strValue);
}

function populateSites(frm)
{
    
    var resort = document.forms[0].resort;
    var site = document.getElementById("site");
    
    if(resort.selectedIndex ==0)
    {
        site.options.length = 0;
         return;
    }
    var resortID = resort.options[resort.selectedIndex].value;
    if (!resortID) return;
    var arr = sites[resortID];

    site.options.length = 0;
    for(i=0;i<arr.length;i+=2)
    {
        site.options[i/2] = new Option(arr[i],arr[i+1]);
    }
}

function populateSitesSI(resortID,siteID)
{
    
    
    var site = document.getElementById("site");
    
    
    if (!resortID) return;
    var arr = sites[resortID];

    site.options.length = 0;
    for(i=0;i<arr.length;i+=2)
    {
        site.options[i/2] = new Option(arr[i],arr[i+1]);
    }
    for(var i=0; i<site.options.length; i++) 
    {
        if(site.options[i].value == siteID) 
        {
            site.selectedIndex = i;
        }
    }
    
}

function load()
{
    MM_preloadImages('skegness-caravan-sales/caravan-search-roll.jpg','skegness-caravan-sales/contact-springfields-roll.jpg','skegness-caravan-sales/nav-buttons/rolls/home.jpg','skegness-caravan-sales/nav-buttons/rolls/about-us.jpg','skegness-caravan-sales/nav-buttons/rolls/caravan-sales.jpg','skegness-caravan-sales/nav-buttons/rolls/caravan-parks.jpg','skegness-caravan-sales/nav-buttons/rolls/search.jpg','skegness-caravan-sales/nav-buttons/rolls/contact-us.jpg');
}

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];}
}