// JavaScript Document

function init(){
copyh=document.getElementById("copy").offsetHeight;
if (document.getElementById("leftcopy"))
 {
  lcopyh=document.getElementById("leftcopy").offsetHeight;
  if (copyh<418)
  {
   copyh=418;
   document.getElementById("copy").style.height=copyh + "px";
  }
  else
  {
   lcopyh=copyh+64;
   document.getElementById("leftcopy").style.height=lcopyh + "px";
  }
 }
 else
 {
 if (document.getElementById("leftborderbot").offsetHeight==0)
 {
  copymin=363;
 }
 else
 {
  copymin=347;
 }
 if (copyh<copymin)
  {
   copyh=copymin;
   document.getElementById("copy").style.height=copyh + "px";
   copyh=copyh+10;
  }
  lborderboth=copyh-330;
  document.getElementById("leftborderbot").style.height=lborderboth + "px";
 } 
//findAccessKeys();
externalLinks();
}

function hoverover(link){
document.getElementById(link).style.backgroundPosition="-120px 20%";
}
function hoverout(link){
document.getElementById(link).style.backgroundPosition="0 50%";
}

function findAccessKeys() { 
var fieldspecs = document.getElementsByTagName("a"); 
 for (var i=0; i<fieldspecs.length; i++) { 
  var fieldspec = fieldspecs[i]; 
  if (fieldspec.getAttribute("accesskey")) {
     highlightAccessKey(fieldspec, fieldspec.getAttribute("accesskey"));
   }
 }
} 
function highlightAccessKey(e, accessKey) {
    if (e.hasChildNodes()) {
        var childNode, txt;
        //find the first text node that contains the access character
        for (var i = 0; i < e.childNodes.length; i++) {
            txt = e.childNodes[i].nodeValue;
            if (e.childNodes[i].nodeType == 3 &&
                txt.toLowerCase().indexOf(accessKey.toLowerCase()) != -1) {
            
                childNode = e.childNodes[i];
                break;
            }
        }
        
        if (!childNode) {
            //access character was not found
            return;
        }

        var pos = txt.toLowerCase().indexOf(accessKey.toLowerCase());
        var span = document.createElement('span');
        var spanText = document.createTextNode(txt.substr(pos, 1));
        span.className = 'accesskey';
        span.appendChild(spanText);

        //the text before the access key
        var text1 = document.createTextNode(txt.substr(0, pos));
        //the text after the access key
        var text2 = document.createTextNode(txt.substr(pos + 1));
        
        if (text1.length > 0) e.insertBefore(text1, childNode);
        e.insertBefore(span, childNode);
        if (text2.length > 0) e.insertBefore(text2, childNode);

        e.removeChild(childNode);
    }
}


function externalLinks() { 
 if (!document.getElementsByTagName) return;
  if (document.getElementById("newwindowlinks")){
   document.getElementById("newwindowlinks").style.display="inline"; 
  }
 var fieldspecs = document.getElementsByTagName("a"); 
 for (var i=0; i<fieldspecs.length; i++) { 
   var fieldspec = fieldspecs[i]; 
   if (fieldspec.getAttribute("href") && 
       fieldspec.getAttribute("rel") == "external") 
       fieldspec.target = "_blank"; 
 } 
}
function externalLinksOff() { 
 if (!document.getElementsByTagName) return;
 var fieldspecs = document.getElementsByTagName("a"); 
 for (var i=0; i<fieldspecs.length; i++) { 
   var fieldspec = fieldspecs[i]; 
   if (fieldspec.getAttribute("href") && 
       fieldspec.getAttribute("rel") == "external") 
       fieldspec.target = "_self"; 
 }
 var images = document.getElementsByTagName("img");
 for (var i=0; i<images.length; i++) { 
   var image = images[i];
   var firstchar = image.getAttribute("src").lastIndexOf("/") + 1;
   var filename = image.getAttribute("src").substring(firstchar,firstchar+6);
   if (filename == "newwin")
     image.style.display = "none";
 }  
} 

function sendEnquiry(){
 required=0;
 document.getElementById("labelname").style.color="#19198A";
 document.getElementById("labeltelephone").style.color="#19198A"; 
 document.getElementById("labelemail").style.color="#19198A";
 document.getElementById("labelenquiry").style.color="#19198A"; 
 if (document.EnquiryForm.name.value=="")
 {
  document.getElementById("labelname").style.color="#DD0000";
  required=1;  
 }
 if (document.EnquiryForm.telephone.value=="")
 {
  document.getElementById("labeltelephone").style.color="#DD0000";
  required=1;  
 }
 if (document.EnquiryForm.email.value=="")
 {
  document.getElementById("labelemail").style.color="#DD0000";
  required=1;  
 } 
 if (document.EnquiryForm.enquiry.value=="")
 {
  document.getElementById("labelenquiry").style.color="#DD0000";
  required=1;  
 }
 
 if (required==1)
 {
  alert ("Please complete all the fields marked with a *");
  return;
 }
 else
 {
  document.EnquiryForm.action = "thanks.php";
  document.EnquiryForm.submit();
 }
}