//Macromedia Functions to change images etc.
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 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=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_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];}
}

//AJAX functions for the centre flash movie that load in seperate pictures
var xmlHttp
function stateChanged() {
	if (xmlHttp.readyState==4){ 
		document.getElementById("centrecontent").innerHTML = xmlHttp.responseText;
	}
}
function GetXmlHttpObject(){
	var xmlHttp=null;
	try {
  		// Firefox, Opera 8.0+, Safari
 		 xmlHttp = new XMLHttpRequest();
	}
	catch (e) {
		// Internet Explorer
		try {
			xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
		}
		catch (e) {
			xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
		}
	}
	return xmlHttp;
}
function loadMovie(str){ 
	xmlHttp=GetXmlHttpObject();
	if (xmlHttp==null){
		alert ("Your browser does not support AJAX!");
		return;
	} 
	var url="loadmovie.php";
	url=url+"?q="+str;
	xmlHttp.onreadystatechange=stateChanged;
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);
}

function validate_required(field,alerttxt){
	with (field) {
		if (value==null||value==""){
			alert(alerttxt);
			return false
		}
		else {
			return true
		}
	}
}
function validate_email(field,alerttxt){
	with (field){
		apos=value.indexOf("@")
		dotpos=value.lastIndexOf(".")
		if (apos<1||dotpos-apos<2) 
			  {alert(alerttxt);return false}
		else {return true}
	}
}

function contactForm(thisform){
	with (thisform){
		if (validate_required(dibName,"Please enter your name")==false){
			dibName.focus();
			return false
		}
		if (validate_required(dibTele,"Please enter your telephone number")==false){
			dibTele.focus();
			return false
		}
	}
}