// JavaScript Document

<!--  Javascript code for the rotating testimonial quote/image on home page

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_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];}
}

// Comma separated list of images to rotate 
var imgs = new Array('http://www.pln.co.uk/it_support_imgs/testimonial01.jpg','http://www.pln.co.uk/it_support_imgs/testimonial02.jpg','http://www.pln.co.uk/it_support_imgs/testimonial03.jpg','http://www.pln.co.uk/it_support_imgs/testimonial04.jpg','http://www.pln.co.uk/it_support_imgs/testimonial05.jpg');
// delay in milliseconds between image swaps 1000 = 1 second 
var delay = 7000;
var counter = 0;

function preloadImgs(){
  for(var i=0;i<imgs.length;i++){
    MM_preloadImages(imgs[i]);
  }
}

function randomImages(){
  if(counter == (imgs.length)){
    counter = 0;
  }
  MM_swapImage('rotator', '', imgs[counter++]);
  setTimeout('randomImages()', delay);
}

//-->
<!--  Validation of the Contact Form mandatory fields (Telephone Number/Email & Enquiry)

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_validateForm() { //v4.0
  var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm.arguments;
  for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; val=MM_findObj(args[i]);
    if (val) { nm=val.name; if ((val=val.value)!="") {
      if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');
        if (p<1 || p==(val.length-1)) errors+='- '+nm+' must contain an e-mail address.\n';
      } else if (test!='R') { num = parseFloat(val);
        if (isNaN(val)) errors+='- '+nm+' must contain a number.\n';
        if (test.indexOf('inRange') != -1) { p=test.indexOf(':');
          min=test.substring(8,p); max=test.substring(p+1);
          if (num<min || max<num) errors+='- '+nm+' must contain a number between '+min+' and '+max+'.\n';
    } } } else if (test.charAt(0) == 'R') errors += '- '+nm+' is required.\n'; }
  } if (errors) alert('The following error(s) occurred:\n'+errors);
  document.MM_returnValue = (errors == '');
}


//-->
<!--
// Below is the JavaScript code for the Graphic Mail page for subscribe/unsubscribe to newsletter

function testInput() {
var sAlert = '';
var Email =  new String(document.inputForm.Email.value); 
var Correct = true; 
CharCount=1; 
strLength=Email.length; 
while ((CharCount < strLength) && (Email.charAt(CharCount) != '@')) 
{ 
	CharCount++ 
} 
if ((CharCount>= strLength) || (Email.charAt(CharCount) != '@'))  
{  
sAlert += 'E-mail Address field required\n';
	Correct = false; 
} 
else 
{ 
	CharCount += 2; 
} 
while ((CharCount < strLength) && (Email.charAt(CharCount) != '.')) 
{ 
	CharCount++ 
} 
if ((CharCount>= strLength - 1) || (Email.charAt(CharCount) != '.')) 
{ 
if(Correct==true)
{
sAlert += 'E-mail Address field required\n';
}
	Correct = false; 
} 
if(Correct==true && document.inputForm.Email!=null){
var inputEmail = new String(document.inputForm.Email.value);
if(inputEmail.length==0){
sAlert += 'E-mail Address field required\n';
Correct = false; 
}
}
if(sAlert.length>0){
alert(sAlert);
}
return Correct 
} 

 
//-->