// ROLLOVERS

var imgz = new Array

function rollinit() {
  if (document.getElementsByTagName) { var x = document.getElementsByTagName('*'); }
  else if (document.all.tags) { var x = document.all.tags('*'); }
  else { return false; }
  for (var i=0; i<x.length; i++) {
    if (x[i].className.substring(0,5) == 'roll:') {
      rollsrc = x[i].className.substring(5,x[i].className.length);
      if ( rollsrc > '' )  {
        imgz[i]=new Image; imgz[i].src = rollsrc;
        x[i].onmouseover = function () { origSrc=this.src; this.src=this.className.substring(5,this.className.length); }
        x[i].onmouseout  = function () { if(typeof(origSrc)!='undefined') {this.src=origSrc} }
      }
    }
  }
}


// GENERIC ADD EVENT SCRIPT

function addEvent(obj, evType, fn) {
 if (obj.addEventListener) { obj.addEventListener(evType, fn, false);  return true; }
 else if (obj.attachEvent) { var r = obj.attachEvent("on"+evType, fn); return r;    }
 else                      { return false; }
}

addEvent(window, 'load', rollinit);

// REMOVE BACKGROUND COLOR / PADDING FROM IMAGE LINKS

function blendimagelinks() { // bad! why no css parent selector?
  a=document.links
  for (i=0;i<a.length;i++) {
    if (a[i].firstChild.nodeName=='IMG' && a[i].className == '') { a[i].className='blend'; }
  }
}

addEvent(window, 'load', blendimagelinks);

// FORM VALIDATION

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 == '');
}


function clearDefault(o) {
  if (!o || !o.defaultValue || !o.value) { return false; }
  if ( o.value == o.defaultValue ) { o.value = "" }
  //o.select()
}

function clearDefault2(o,theText) {
  if (!o || !theText || !o.value) { return false; }
  if ( o.value == theText ) { o.value = "" }
  //o.select()
}

function searchvalidate() {
 o=document.getElementById('searchbox');
 if ( !o ) { return false };
 if ( o.value == null || o.value == '' ) { alert('Please enter something to search for!'); return false; }
}

function validateEnqForm() {
  o = document.getElementById('firstname'); if ( !o || o.value == '' ) { alert('Please complete First Name.');  return false; }
  o = document.getElementById('surname');   if ( !o || o.value == '' ) { alert('Please complete Surname.');  return false; }
  o = document.getElementById('company');   if ( !o || o.value == '' ) { alert('Please complete Company Name.');  return false; }
  o = document.getElementById('email');     if ( !o || o.value == '' ) { alert('Please complete email address.');  return false; }
  if ( !(/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.((\w{2,3})|(aero|coop|info|museum|name)))+$/.test(o.value)) )
    { alert('Invalid email address!');  return false; }
}

function validateEmail(fieldid) {
  o = document.getElementById(fieldid);     if ( !o || o.value == '' ) { alert('Please complete email address.');  return false; }
  if ( !(/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.((\w{2,3})|(aero|coop|info|museum|name)))+$/.test(o.value)) )
    { alert('Invalid email address!');  return false; }
}

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) { //v4.0
  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 && document.getElementById) x=document.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];}
}

function spawnWin(url, w, h, x, y) {
  popwin = window.open(url, 'popwin', 'height='+h+',width='+w+',scrollbars=1,resizable=1,menubar=0,toolbar=0,status=0,location=0,directories=0,left=' + x + ',top=' + y + '');
}

// used on page_results2.cfm
function goToPage(whichpage) {
  o=document.getElementById('pageform');
  o.setAttribute('action','products_results2.cfm?p='+whichpage);
  o.submit();
}

// used on contact_us.cfm
function validate1() {
  o = document.getElementById('last');
  if ( !o || o.value == null || o.value == '' )
    { alert('Please complete surname.');  return false; }
  o = document.getElementById('add1');
  if ( !o || o.value == null || o.value == '' )
    { alert('Please complete address.');  return false; }
  o = document.getElementById('tel');
  if ( !o || o.value == null || o.value == '' )
    { alert('Please complete telephone number.');  return false; }
  o = document.getElementById('email');
  if ( !o || o.value == null || o.value == '' )
    { alert('Please complete email address.');  return false; }
  if ( !(/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.((\w{2,3})|(aero|coop|info|museum|name)))+$/.test(o.value)) )
  { alert('Invalid email address!');  return false; }
}

function validate2() {
  o = document.getElementById('Add1');
  if ( !o || o.value == null || o.value == '' )
    { alert('Please complete address.');  return false; }
  o = document.getElementById('Tel');
  if ( !o || o.value == null || o.value == '' )
    { alert('Please complete telephone number.');  return false; }
  o = document.getElementById('ContactName');
  if ( !o || o.value == null || o.value == '' )
    { alert('Please complete contact name.');  return false; }
  o = document.getElementById('ContactEmail');
  if ( !o || o.value == null || o.value == '' )
    { alert('Please complete contact\'s email address.');  return false; }
  if ( !(/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.((\w{2,3})|(aero|coop|info|museum|name)))+$/.test(o.value)) )
  { alert('Invalid email address!');  return false; }
  o = document.getElementById('Branch');
  if ( !o || o.value == null || o.value == '' )
  { alert('Please choose preferred NCE branch.');  return false; }
}