function TheFormCheck() {
if (document.form1.email.value=="") 
{
alert("email is required");
document.form1.email.focus();return false
}

if (document.form1.email.value!="") 
{if (document.form1.email.value.indexOf("@")==-1 || document.form1.email.value.indexOf(".")==-1 || document.form1.email.value.indexOf(" ")!=-1 || document.form1.email.value.length<6) 
{alert("Sorry, your email address is not valid.");
document.form1.email.focus();return false}
}
} 
function clearDefault(el) {
  if (el.defaultValue==el.value) el.value = ""
}

function securityconsultancy(){
var nav = document.getElementById("securityconsultancy");
var newlinks = '<a href="security-links.htm" onclick="outsidelinks();" class="six">Links</a>';
	nav.innerHTML = newlinks;
}


function security(){
var nav = document.getElementById("securitysolutions");
var newlinks = '<a href="building-security.htm">Building security</a>';
	newlinks += '<a href="anti-terrorism.htm">Anti-terrorism</a>';
	newlinks += '<a href="oil-and-gas-security.htm">Oil & gas security</a>';
	newlinks += '<a href="aviation-security.htm">Aviation security</a>';
	newlinks += '<a href="ports-and-harbours-security.htm">Security for ships, ports & harbours</a>';
	newlinks += '<a href="information-security-consultants.htm">Information security consultancy</a>';
	newlinks += '<a href="disaster-recovery-business-continuity.htm">Disaster recovery and business continuity</a>';
	newlinks += '<a href="banking-and-financial-security.htm">Banking & financial security</a>';
	newlinks += '<a href="fire-hazard-hazop.htm">Fire, hazard, hazop and health & safety</a>';
	nav.innerHTML = newlinks;
}

function experience(){
var nav = document.getElementById("securitysolutions");
var newlinks = '<a href="security-clients.htm">Clients</a>';
	newlinks += '<a href="security-services.htm">Services</a>';
	newlinks += '<a href="security-training.htm">Training</a>';
	nav.innerHTML = newlinks;
}
function staff(){
var nav = document.getElementById("securitysolutions");
var newlinks = '<a href="security-consultants-qualifications.htm">Staff Qualifications</a>';
	newlinks += '<a href="security-consultants-memberships.htm">Memberships & Organisations</a>';
	nav.innerHTML = newlinks;
}
function solutions(){
var nav = document.getElementById("securitysolutions");
var newlinks = '<a href="security-threat-assessment.htm">Security Threat Assessment</a>';
	newlinks += '<a href="security-survey-security-audit.htm">Security Survey and Security Audit</a>';
	newlinks += '<a href="security-strategy-policy-plan.htm">Security Strategy Policy and Plan</a>';
	newlinks += '<a href="security-specification-bid.htm">Specification Bid and Award Implementation and Management</a>';
	newlinks += '<a href="security-commissioning.htm">Commissioning and Handover</a>';
	newlinks += '<a href="security-training-procedures.htm">Training Procedures</a>';
	nav.innerHTML = newlinks;
}
function brochures(){
var nav = document.getElementById("securitysolutions");
var newlinks = '<a href="http://sciltd.co.uk/board/bboard.shtml">Bulletin Board</a>';
	nav.innerHTML = newlinks;
}
function outsidelinks(){
var nav = document.getElementById("securitysolutions");
var newlinks = '  ';
	nav.innerHTML = newlinks;
}
function contactsolutions(){
var nav = document.getElementById("securitysolutions");
var newlinks = '<a href="contact-us.htm">Make an enquiry</a>';
	nav.innerHTML = newlinks;
}

function contactussolutions(){
var nav = document.getElementById("contactussolutions");
var newlinks = '<a href="security-solutions.htm">Contact Us</a>';
	nav.innerHTML = newlinks;
}

function adobe(){
var nav = document.getElementById("adobe");
var newlinks = '<A href="http://www.adobe.com/prodindex/acrobat/readstep.html"><IMG src="images/get_adobe_reader.gif" width=88 height=31 border="0"></A>';
	nav.innerHTML = newlinks;
}


function NewWindow(mypage, myname, w, h, scroll) {
var winl = (screen.width - w) / 2;
var wint = (screen.height - h) / 2;
winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars='+scroll+',resizable'
win = window.open(mypage, myname, winprops)
}

function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}

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_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_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];}
}

window.name='main';

<!--
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 tmt_findObj(n){
	var x,t; if((n.indexOf("?"))>0&&parent.frames.length){t=n.split("?");
	x=eval("parent.frames['"+t[1]+"'].document.getElementById('"+t[0]+"')");
	}else{x=document.getElementById(n)}return x;
}

function DI(theDiv,v){
	var z = (document.layers) ? ".zIndex" : ".style.zIndex";
	var fun = (document.getElementById) ? "tmt_findObj" : "MM_findObj";
	var obj = eval(fun+"(theDiv)");
	if(obj)eval(fun+"('"+theDiv+"')"+z+"="+v);
}
//-->
function change(id, newClass) {

identity=document.getElementById(id);

identity.className=newClass;

}
function Restore(id, newClass) {

identity=document.getElementById(id);

identity.className=newClass;
}