// Adds email links via JS
////////////////////////////////////////////////////////////////////////
function insertContact (theName, linkText)
{	
	var theDomain = ('carringtoninvestments' + '.' + 'co.uk');
	
	theAddress = (theName + '&#064' + theDomain);
	if(linkText=='me'){
		linkText = theAddress;
	}
	document.write('<a href="mailto:' + theAddress +'">' + linkText + '<\/a>');
}


// Popup windows
////////////////////////////////////////////////////////////////////////
function popUp(URL)
{
	var w=500;
	var h=600;
	leftPos = (screen.width) ? (screen.width-w)/2 : 0;
	topPos = (screen.height) ? (screen.height-h)/2 : 0;
	popup = window.open(URL,'GoogleMap','height='+h+',width='+w+',menubar=0,scrollbars,resizable=0, status=0,titlebar=0,toolbar=0,left='+leftPos+',top='+topPos+'');
	popup.focus();
}


// JS to set login window bg text:
// Toby T 2007
////////////////////////////////////////////////////////////////////////
function setBackgroundImage (id, imageURL)
{
  if (document.layers)
    document[id].background.src = imageURL == 'none' ? null : imageURL;
  else if (document.all)
    document.all[id].style.backgroundImage = imageURL == 'none' ? 'none' : 'url(' + imageURL + ')';
  else if (document.getElementById)
    document.getElementById(id).style.backgroundImage = imageURL == 'none' ? 'none' : 'url(' + imageURL + ')';
}


// Events Management Functions
////////////////////////////////////////////////////////////////////////
function addEvent(elm, evType, fn, useCapture)
{
	if(elm.addEventListener){
		elm.addEventListener(evType, fn, useCapture);
		return true;
	}else if (elm.attachEvent){
		var r = elm.attachEvent('on' + evType, fn);
		return r;
	}else{
		elm['on' + evType] = fn;
	}
}
function getEvent()
{
	if(window.event) {
		return this.window.event;
	}else{
		return getEvent.caller.arguments[0];
	}
}


// Set value of input fields which need labelling.
// the toLabel key relates to <key>field in the input id
// value is used as the colour for field
// background image referenced input-<key>-bg.gif
////////////////////////////////////////////////////////////////////////
var toLabel = new Object();
toLabel['emailblu'] = 'blu';
toLabel['pwordblu'] = 'blu';
toLabel['emailgrn'] = 'grn';
toLabel['pwordgrn'] = 'grn';


// Functions for labelling
////////////////////////////////////////////////////////////////////////
function toggleInputBG()
{
	var oEvent = getEvent();
	var oTarget = (oEvent.target || oEvent.srcElement);
	//alert(oTarget.id);
	if(oTarget.id){
		for ( keyVar in toLabel ) {
			if( oTarget.id.indexOf(keyVar)==0){
				if(oEvent.type=="blur" && oTarget.value==''){
					//found key to image
					setBackgroundImage (oTarget.name, 'images/layout/input-' + keyVar + '-bg.gif');
				}else if(oEvent.type=="focus"){
					//alert(oTarget.id);
					setBackgroundImage (oTarget.name, 'images/layout/input-' + toLabel[keyVar] + '-bg.gif');
				}
			}
		}
	}
}


// ...
////////////////////////////////////////////////////////////////////////
function setInputs()
{
	// Label all the input text fields with background image
	for ( keyVar in toLabel ) {
		//alert(keyVar);
		var tt_input = document.getElementById(keyVar + 'field');
		if(tt_input){
			addEvent(tt_input, 'focus', toggleInputBG, false);
			addEvent(tt_input, 'blur', toggleInputBG, false);
			
			if(tt_input.value == '') {
				setBackgroundImage (keyVar + 'field', 'images/layout/input-' + keyVar + '-bg.gif');
			}else{
				setBackgroundImage (keyVar + 'field', 'images/layout/input-' + toLabel[keyVar] + '-bg.gif');
			}
		}
	}
}
addEvent(window, 'load', setInputs, false);




// show first one to begin and always show one (in the document flow, below the list) 
// http://bonrouge.com/br.php?page=togglit
////////////////////////////////////////////////////////////////////////
function switchNext2(el,tname,first) {
	var selcn="selected";
	var parent=el.parentNode;
	var tags=parent.getElementsByTagName(tname);
	var next=el.nextSibling;
	var last=parent.lastChild;
	while(last.nodeType != 1) last = last.previousSibling;
	while(next.nodeType != 1) next = next.nextSibling;
	next.style.display="none";
	if (first!=1){
		for (i=0; i<tags.length; i++) {
			var tohide=tags[i].nextSibling;
			while(tohide.nodeType != 1) tohide = tohide.nextSibling;
			if (tohide!=next){tohide.style.display="none";}
			tags[i].className=tags[i].className.replace(new RegExp(selcn+"\\b"), "");
			if (tags[i]==el){
				var rEx = new RegExp("(^|\\s)" + selcn + "(\\s|$)");
				if (rEx.test(tags[i].className)==false) {tags[i].className+=" "+selcn;}
			}
		}	
		var clone=next.cloneNode(true);
		clone.style.display="block";
		parent.removeChild(last);
		parent.appendChild(clone);
	}
	else {
		var firstone=tags[0].nextSibling;
		while(firstone.nodeType != 1) firstone = firstone.nextSibling;
		var clone=firstone.cloneNode(true);
		clone.style.display="block";
		if (last.innerHTML!=clone.innerHTML){parent.appendChild(clone);}
		var rEx = new RegExp("(^|\\s)" + selcn + "(\\s|$)");
		if (rEx.test(tags[0].className)==false) {tags[0].className+=" "+selcn;}
	}
}

function switchNextByIdAndTag2(el,tname) {
	if(document.getElementById(el)!=null){
		//element exists in page.
		clickers=document.getElementById(el).getElementsByTagName(tname);
		var ccn="clicker";
		for (i=0; i<clickers.length; i++) {
			clickers[i].className+=" "+ccn;
			clickers[i].onclick=function() {switchNext2(this,tname)}
			switchNext2(clickers[i],tname,1);
		}
	}else{
		return false;
	}
}

//addEvent(window, 'load', switchNextByIdAndTag2('marketgraphs','dt'), false);
window.onload=function()
{
	switchNextByIdAndTag2('marketgraphs','dt')
}


// Preload css/js images
////////////////////////////////////////////////////////////////////////
if (document.images)
{
  pic1= new Image(110,24); 
  pic1.src="images/layout/input-grn-bg.gif"; 

  pic2= new Image(110,24); 
  pic2.src="images/layout/input-blu-bg.gif"; 
  
  pic3= new Image(110,24); 
  pic3.src="images/layout/input-emailblu-bg.gif"; 

  pic4= new Image(110,24); 
  pic4.src="images/layout/input-pwordblu-bg.gif";

  pic5= new Image(110,24); 
  pic5.src="images/layout/input-emailgrn-bg.gif"; 
  
  pic6= new Image(110,24); 
  pic6.src="images/layout/input-pwordgrn-bg.gif";   
}


// Find rel="external" popups
// Nabbed from: http://www.thefutureoftheweb.com/blog/submit-a-form-in-ie-with-enter
////////////////////////////////////////////////////////////////////////
function findPopUps()
{
	var popups = document.getElementsByTagName("a");
	for (i=0;i<popups.length;i++)
	{
		if (popups[i].rel.indexOf("external")!=-1)
		{
			// attach popup behaviour
			popups[i].target = '_blank';
			//popups[i].onclick = doPopUp;
			// add info to title attribute to alert fact that it's a pop-up window
			popups[i].title = popups[i].title + " [Opens in new window]";
		}
		else if (popups[i].rel.indexOf("home page")!=-1)
		{
			// attach popup behaviour
			popups[i].target = '_top';
		}
	}
}
addEvent(window, 'load', findPopUps, false);


// Determine the domain of the supplied URL
////////////////////////////////////////////////////////////////////////
function determineDomain(currentURL)
{
	var protocolDelimiter = "://";
	var protocolIndex = currentURL.indexOf(protocolDelimiter);
	var serverIndex = currentURL.indexOf("/", protocolIndex + protocolDelimiter.length + 1); // Find closing slash (/) NB: Domain name must be at least 1 char!
	
	// Determine the domain
	var currentDomain = "";
	if(protocolIndex == -1) {
		// Could not find the protocol, pass back the full url
		currentDomain = currentURL;
	}
	else {
		// We have a valid protocol...
		if(serverIndex != -1) {
			// ...and we have an serverIndex endpoint
			currentDomain = currentURL.substring(protocolIndex + protocolDelimiter.length, serverIndex);
		} else {
			// ...but not a serverIndex endpoint, use the full length of the currentURL
			currentDomain = currentURL.substring(protocolIndex + protocolDelimiter.length);
		}
	}
	return currentDomain;
}


// Check each time a link is clicked if we are going to an external website
// (NB: this requires jQuery)
////////////////////////////////////////////////////////////////////////
$(document).ready(function() {
	$('a').click(function() {
		// Only check this link if it does NOT have the ignore class
		if(!$(this).hasClass("ignore"))
		{
			// Determine the domains of the current site, and target site
			var targetDomain = determineDomain(this.href);
			var currentDomain = determineDomain(location.href);
			
			// Look out for mailto: links, don't want to notify users if they click on one.
			var ignoreDomain = (targetDomain.indexOf("mailto:") == 0);
			if(!ignoreDomain)
			{
				// Build the confirmation string
				// NB: we will only alert the user if they are leaving the investments/accountancy website (not the group site)
				var confirm_msg = "";
				if(currentDomain.toLowerCase().indexOf("carringtoninvestments") != -1) {
					confirm_msg = "You are now leaving the regulated site of Carrington Investments. Neither Carrington Investments, nor Sesame Ltd, is responsible for the accuracy of the information contained within the linked site.\n\nDo you wish to continue?";
				}
				else if(currentDomain.toLowerCase().indexOf("carringtonaccountancy") != -1) {
					confirm_msg = "You are now leaving the Carrington Accountancy website.\n\nDo you wish to continue?";
				}
				
				// Now, if the domains do not match AND we have a valid website name we will warn the user they are leaving the site.
				//var debugtxt = "t: "+targetDomain+"\nc: "+currentDomain+"\ni: "+ignoreDomain+"\n";
				if(targetDomain != currentDomain && confirm_msg != "") {
					if(!confirm(confirm_msg)) {
						// User said no to confirmation message, do not allow link to execute.
						return false;
					}
				}
			}
		}
	});
});