//BROWSER DETECT
var verStr=navigator.appVersion;
var app=navigator.appName;
var version=parseFloat(verStr);
var user=navigator.userAgent;
if(user.indexOf("Mac") >= 0){
 platformname="Mac";
}else{
 platformname="PC";
}
if(user.indexOf("Opera") >= 0){
 browserid="Opera";
 strlocation = user.indexOf("Opera");
 strlocation1 = strlocation+6;
 strlocation2 = strlocation+8;
 strlocation3 = strlocation+9;
}else if(user.indexOf("Safari") >= 0){
 var browsertype="modern";
 browserid="Safari";
 strlocation = user.indexOf("Safari");
 strlocation1 = strlocation+7;
 strlocation2 = strlocation+8;
 strlocation3 = strlocation+9;
}else if((user.indexOf("Gecko") >= 0)&(user.indexOf("Netscape") < 0)){
 var browsertype="modern";
 browserid="Netscape";
 strlocation = user.indexOf("Gecko");
 strlocation1 = strlocation-5;
 strlocation2 = strlocation-3;
 strlocation3 = strlocation-2;
}else{
 if(app.indexOf("Netscape") >= 0){
  if(version < 5){
   var browsertype="archaic";
   strlocation = user.indexOf("Mozilla");
   strlocation1 = strlocation+8;
   strlocation2 = strlocation+10;
   strlocation3 = strlocation+11;
  }else{
   var browsertype="modern";
   strlocation = user.indexOf("Netscape");
   strlocation1 = strlocation+9;
   strlocation2 = strlocation+11;
   strlocation3 = strlocation+12;
  }
  browserid="Netscape";
 }else if(app.indexOf("Microsoft Internet Explorer") >= 0){
  if(verStr.indexOf("MSIE 4") >= 0){
   var browsertype="archaic";
  }else{
   var browsertype="modern";
  }
  browserid="IE";
  strlocation = user.indexOf("MSIE");
  strlocation1 = strlocation+5;
  strlocation2 = strlocation+7;
  strlocation3 = strlocation+8;
 }else{
  browserid="Netscape";
  strlocation = user.indexOf("Mozilla");
  strlocation1 = strlocation+9;
  strlocation2 = strlocation+10;
  strlocation3 = strlocation+11;
 }
}
var version1 = user.charAt(strlocation1);
var version2 = user.charAt(strlocation2);
var version3 = user.charAt(strlocation3);
if((version3.indexOf(";") >= 0)||(version3.indexOf(")") >= 0)){
 var version3 = "0";
}
var majorversion = version1;
var minorversion = version2+version3;
var fullversion = version1+"."+version2+version3;


if(user.indexOf("Opera") >= 0){
 if(majorversion < 1){
  var browsertype="archaic";
 }else{
  var browsertype="modern";
 }
}

//for loading more than one function on window.load
function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      oldonload();
      func();
    }
  }
}

//info centre presentations popup
function tmt_winLaunch(theURL,winName,targetName,features) { 
eval(winName+"=window.open('"+theURL+"','"+targetName+"','"+features+"')")
}


//SWAP IMAGE
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];}
}

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 swapImage() {
	strImage = (arguments[1]=='on')?'style/images/leftmenu_r.gif':'style/images/leftmenu.gif';
	MM_swapImage(arguments[0],'',strImage,1)
}

function MM_homeMenu(targ,selObj,restore){ //v3.0
	if (selObj.selectedIndex == 4 || selObj.selectedIndex == 0 ) {
			eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
		}
		else {
			window.open(selObj.options[selObj.selectedIndex].value,'new')
		}
  if (restore) selObj.selectedIndex=0;
	return false;
}



// Exit disclaimer
var popupWidth;
var popupHeight;

// check type size
function textSizeDetect() {
	var intTextSize = (document.layers)?document.layers["textsizedetect"]:(document.all)?document.all["textsizedetect"]:(document.getElementById)?document.getElementById("textsizedetect"):"";

	if (intTextSize) {
		 intTextSize = intTextSize.offsetHeight
	}
	if (intTextSize>14){
		//set the height and width of the popup
		popupWidth=220;
		popupHeight=240;
	} else if (intTextSize>12){
		//set the height and width of the popup
		popupWidth=220;
		popupHeight=220;
	} else{
		popupWidth=220;
		popupHeight=200;
	
	}
}

// popups with parameters defined e.g. webcasts
var _POPUP_TARGET = '_blank';
var _POPUP_FEATURES = 'location=0,statusbar=0,menubar=0,width=760,height=570';

function raw_popup(url, target, features)
{
 if (features) {
  theFeatures = features;
 } else {
  theFeatures = _POPUP_FEATURES;
 }
 if (target) {
  theTarget = target
 } else {
  theTarget = _POPUP_TARGET;
 }
  var theWindow = window.open(url, theTarget, theFeatures);
  theWindow.focus();
  return theWindow;
}

function link_popup(src, target, features) {
  return raw_popup(src, target, features);
}


// get all links with the class name disclaimer and add to them
// an onclick event going to the disclaimer, and an onKeyPress event 
// going to the onClick event
function doPopups() {
  if (!document.getElementsByTagName) return false;
  var links = document.getElementsByTagName("a");
  for (var i=0; i < links.length; i++) {
    if (links[i].className.match("disclaimer")) {
      links[i].onclick = function() {
		textSizeDetect()
		window.open(this.href,'disclaimer','width='+popupWidth+',height='+popupHeight+',scrollbars=auto,resizable');
        return false;
      }
	  links[i].onkeypress = function(){
	  	verifyKey(this,'this.onclick();');
	  }
    }
  }
}
// Called in on index.asp
// window.onload = doPopups;

// opens links in a new window
function externalLinks() {
	if (!document.getElementsByTagName) return;
	var anchors = document.getElementsByTagName("a");
	for (var i=0; i<anchors.length; i++) {
		var anchor = anchors[i];
		if(anchor.getAttribute("href")&&anchor.getAttribute("rel") == "external"){
			anchor.target = "_blank";
			var strTitle = anchor.getAttribute("title");
			if((strTitle=="")||(strTitle==null)){
				anchor.title = "Opens in a new browser window.";
			} else {
				if(strTitle.indexOf("browser window")<0){
					anchor.title = strTitle+". Opens in a new browser window.";
				}
			}
			var strTitle = "";
		}
	}
}
addLoadEvent(externalLinks)



// Keypress checker
function verifyKey(oElement,oEvent){
  if(oEvent.keyCode==13 && oElement.onclick){
     oEvent();
  }
}


function changeClass(id, newClass) {
	identity=document.getElementById(id);
	var saveClass = identity.className;
	if (saveClass.match("lit")) { //if current class contains "lit", revert to class without "lit"
		newClass = saveClass.replace(/lit/,"");	
	}
	identity.className=newClass;
}

// Set underline styles on buttons
function underlinebutton(target){
  var underline=target.style.textDecoration;
  if(underline==""){
	 target.style.textDecoration='underline';
     target.style.color='#000';
  }else{
	 target.style.textDecoration='';
     target.style.color='#000';
  }
}