var yOffset = 0;
function getYOffset() {
	yOffset = document.documentElement.scrollTop + 5;
}

function MM_goToURL() { //v3.0
  var i, args=MM_goToURL.arguments; document.MM_returnValue = false;
  for (i=0; i<(args.length-1); i+=2) eval(args[i]+".location='"+args[i+1]+"'");
}

function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

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_setTextOfLayer(objName,x,newText) { //v4.01
  if ((obj=MM_findObj(objName))!=null) with (obj)
    if (document.layers) {document.write(unescape(newText)); document.close();}
    else innerHTML = unescape(newText);
}

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_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_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];}
}
function rollOver(buttonName, buttonImg, bannerImg) {
	document.banner.src = bannerImg;
	document[buttonName].src = buttonImg;
}
function showLayer(layerName, imageid){
	if( document.getElementById(layerName).style.display == "none" ) {
		document.getElementById(layerName).style.display = "block";
		document.getElementById( imageid ).src = "./images/minus.gif";
	} else {
		document.getElementById(layerName).style.display = "none";
		document.getElementById( imageid ).src = "./images/plus.gif";
	}
}

function validateOrder()
{
	var sErrMsg = "";
	var objFrmMain = document.frmMember;

		 sErrMsg += validateText(objFrmMain.name.value, "Name", false);
		 sErrMsg += validateEmail(objFrmMain.email.value, "Email", false);
		 sErrMsg += validateText(objFrmMain.address.value, "Address", false);
		 sErrMsg += validateText(objFrmMain.postcode.value, "Postcode", false);
		  sErrMsg += validateText(objFrmMain.pass.value, "Password", false,4);
		  sErrMsg += validateText(objFrmMain.pass2.value, "Confirm Password", false,4);

   	if(objFrmMain.pass.value != objFrmMain.pass2.value)
	{
		sErrMsg += '- Passwords do not match';
	}
		
	if(sErrMsg != "")
	{
		// If any error the display 'em
		alert("The form could not be submited because the following information is required:\n\n" + sErrMsg);
		return false;
	}
	else
	{
		// Normally we would use return true, but now we just wanna say that everything is okay
		return true;
	}
}

function submitRollover(objTarget, targetImg) {
	document.getElementById(objTarget).style.backgroundImage = 'url(./images/'+targetImg+')';
	return true;
}
function disableForm() {
	for(x = 0; x < document.forms[0].length; x++) { 
		if (document.forms[0].elements[x].type == 'radio' || document.forms[0].elements[x].type == 'checkbox') {
			//document.forms[0].elements[x].readOnly = true;
		} else {
			document.forms[0].elements[x].readOnly = true;
		}
	}
}

var active_layer = 'new';
function order_layer(id) {
	document.getElementById(active_layer).style.display = 'none';
	document.getElementById(id).style.display = 'block';
	active_layer = id;
}