var user_agent=navigator.userAgent.toLowerCase();
var nav_win = ( (user_agent.indexOf("win")!=-1) || (user_agent.indexOf("16bit")!=-1) );
var nav_mac = (user_agent.indexOf("mac")!=-1);
var nav_linux = (user_agent.indexOf("inux")!=-1);

window.onerror = null;
var bName = navigator.appName;
var NS4 = (document.layers) ? true : false;
var IE3 = (document.all && !document.getElementById) ? true : false;
var IE4 = (document.all && document.getElementById) ? true : false;
var IE6 = (document.all && document.getElementById) ? true : false;
var NS6 = (!document.all && document.getElementById) ? true : false;

if(document.images){

	homeOn = new Image(136, 26);
	homeOn.src="images/b_home_over.gif";
	
	homeOff = new Image(136, 26);
	homeOff.src="images/b_home.gif";
	
	applicantsOn = new Image(136, 26);
	applicantsOn.src="images/b_applicants_over.gif";
	
	applicantsOff = new Image(136, 26);
	applicantsOff.src="images/b_applicants.gif";
	
	guidelinesOn = new Image(136, 26);
	guidelinesOn.src="images/b_guidelines_over.gif";
	
	guidelinesOff = new Image(136, 26);
	guidelinesOff.src="images/b_guidelines.gif";
	
	theteamOn = new Image(136, 26);
	theteamOn.src="images/b_teams_over.gif";
	
	theteamOff = new Image(136, 26);
	theteamOff.src="images/b_teams.gif";
	
	linksOn = new Image(136, 26);
	linksOn.src="images/b_links_over.gif";
	
	linksOff = new Image(136, 26);
	linksOff.src="images/b_links.gif";
	
	vacanciesOn = new Image(136, 26);
	vacanciesOn.src="images/b_vacancies_over.gif";
	
	vacanciesOff = new Image(136, 26);
	vacanciesOff.src="images/b_vacancies.gif";
	
	applyOn = new Image(136, 26);
	applyOn.src="images/b_enquire_over.gif";
	
	applyOff = new Image(136, 26);
	applyOff.src="images/b_enquire.gif";
	
	newsletterOn = new Image(136, 26);
	newsletterOn.src="images/b_news_over.gif";
	
	newsletterOff = new Image(136, 26);
	newsletterOff.src="images/b_news.gif";
	
	endorsementsOn = new Image(136, 26);
	endorsementsOn.src="images/b_endorsement_over.gif";
	
	endorsementsOff = new Image(136, 26);
	endorsementsOff.src="images/b_endorsement.gif";
	
	contactOn = new Image(136, 26);
	contactOn.src="images/b_contact_over.gif";
	
	contactOff = new Image(136, 26);
	contactOff.src="images/b_contact.gif";
	
	
	regionalOn = new Image(136, 26);
	regionalOn.src="images/b_regional_over.gif";
	
	regionalOff = new Image(136, 26);
	regionalOff.src="images/b_regional.gif";
}

function on(pic){	
	if (document.images){
		document.images[pic].src=eval(pic + "On.src");
	}
}

function off(pic){
	if(document.images){
		document.images[pic].src=eval(pic + "Off.src");
	}
}

function PageChanger(page){
	document.location = page;
	document.NavForm.PullDown.options[0].selected=true;
}

function PageChanger2(page){
	document.location = page;
	document.NavForm2.PullDown2.options[0].selected=true;
}

function PageChanger3(page){
	document.location = page;
	document.NavForm3.PullDown3.options[0].selected=true;
}

function openSIPopup(){
	var newWin = window.open("south.html", "South", "width=600,height=600,menubar=no,scrollbars=yes,status=no,location=no,resizable=yes,toolbar=no")
}

function openNIPopup(){
	var newWin = window.open("north.html", "North", "width=600,height=600,menubar=no,scrollbars=yes,status=no,location=no,resizable=yes,toolbar=no")
}

function Assurance(){
	var newWin = window.open("assurance.htm", "", "width=500,height=550,menubar=no,scrollbars=yes,status=no,location=no,resizable=yes,toolbar=no")
}

function changeLayer(layer){	
	if(NS4){
		document.layers["info" + layer].visibility = "show";
	}
	else{
		document.getElementById("info" + layer).style.visibility = "visible";	
	}	
}
function hideLayer(layer){
	if(NS4){
		document.layers["info" + layer].visibility = "hide"
	}
	else{
		document.getElementById("info" + layer).style.visibility = "hidden";
	}		
}	

function hidemaps(map){
document.getElementById("maps").style.display = "none";
	if (map == "north"){
		document.getElementById("northi").style.display = "";
		document.getElementById("southi").style.display = "none";
	}
	else if (map == "south"){
		document.getElementById("southi").style.display = "";
		document.getElementById("northi").style.display = "none";
	}
}

function fn_Toggle(val){
	var obj = document.getElementById("ref_other")
	var obj2 = document.getElementById("recommend_msg")
	if(val == "7" || val=="3"){
		obj.style.display = "";
		if(val=="3"){
		    obj2.style.display = "";
		}else{
		    obj2.style.display = "none";
		}
	}else{
		obj.style.display = "none";
		obj2.style.display = "none";
		obj.value = "";
	}	
}

function fn_Xmas(){
	alert("Thank you for your enquiry, the Tonix offices are closed over the Christmas break from Friday 24th, reopening on Monday 5th January. We will respond to your enquiry on Monday 5th and look forward to working with you");
}

var clicked = 0;
function clicked(){
	clicked = 1;
}
function clickCheck(){	
	if(clicked != 1){
		alert("you must click the continue button before leaving this page");
		return false;
	}
}
function showItems(type){
	if(document.getElementById("items" + type).style.display == ""){
		document.getElementById("items" + type).style.display = "none";
		document.getElementById("icon" + type).src='images/Lplus.gif';
	}else{
		document.getElementById("items" + type).style.display = "";
		document.getElementById("icon" + type).src='images/Lminus.gif';
	}
}