//Author: Mag Leahy, 04/03/2008
//Description: Clears generic form message and updates with text as error appear and dissapear. 
//Parameters: Number of errors on the form from the jQuery validator, form error container id
function generalFormError(numErrors, formErrorContainer) 
{	
	var strGeneralErrorContainerPrefix = '<div class="error-box"><div>';
	var strGeneralErrorContainerSuffix = '</div></div>';
	var strGeneralErrorPrefix = '<p>This form contains&nbsp;';
	var strGeneralErrorSuffix = '&nbsp;error, see details below.</p>'
	var strGeneralErrorsSuffix = '&nbsp;errors, see details below.</p>'
	
	$(formErrorContainer).html("");
	if (numErrors == 1)
	{	
		$(formErrorContainer).html(strGeneralErrorContainerPrefix + strGeneralErrorPrefix + numErrors + strGeneralErrorSuffix + strGeneralErrorContainerSuffix);
	}
	else if (numErrors > 1)
	{	
		$(formErrorContainer).html(strGeneralErrorContainerPrefix + strGeneralErrorPrefix + numErrors + strGeneralErrorsSuffix + strGeneralErrorContainerSuffix);
	}
}

//Opens links with rel="external" in a new window
function externalLinks() 
{
	if (!document.getElementsByTagName) return;
 	var links = document.getElementsByTagName("a");
 	for (var i=0; i < links.length; i++) 
 	{
   		var link = links[i];
	   	if (link.getAttribute("href") && link.getAttribute("rel") == "external") link.target = "_blank";
	 }
} 

//Adds js for print page to print text that stays on the page regardless of js on/off
//If a link is purely for 
function printPageLinks() 
{
	if (!document.getElementsByTagName) return;
 	var spans = document.getElementsByTagName("span");
 	
 	for (var i=0; i < spans.length; i++) 
 	{
   		var span = spans[i];
	   	if ($(span).attr("class") == "js-print") 
	   	{
	   		$(span).wrap('<a href="#"></a>');
	   		$(span).parent('a').click( function() { window.print(); return false; } );
	   	}
	 }
}

//Hides for JS version by reference to .js-hide
function hideForJS() 
{
	$('.js-hide').css({ position:"absolute", left:"-99999px" });
} 

$(document).ready(function (){
	externalLinks();
	printPageLinks();
	hideForJS();
});

//Mag Leahy 20080604: This function goes upwards in seach of element with class of strErrorContainerClass's value
//Arguments: Element that is causing the error
//There is limit of numMaxAscensions to limit steps up. This may need to be revisited. 
var numCounter = 0, numMaxAscensions = 4, strErrorContainerClass = 'er', strErrorElement = 'body';
function findErrorDiv(element){
	while (numCounter < numMaxAscensions){
		numCounter++; 
		var bolErrorHolder = element.hasClass(strErrorContainerClass); 
		if (bolErrorHolder){numCounter = 0; return element;}			
		else element = element.parent();
	}
	return $(strErrorElement); //If there's no match for error placement return default tag. 
}

//Mag Leahy 20080718: JQuery Custom Methods for validation
//http://docs.jquery.com/Plugins/Validation/Validator/addMethod#namemethodmessage
if(jQuery.validator) //Error checks that validation js is on the page
{
	//addMehtod: money checks if the value entered is numeric but allows "," and "£" in their correct use and 2 decimal places (optional).
	jQuery.validator.addMethod("money", function(value, element) {return this.optional(element) || /^£?((\d{1,}(\.\d{1,2})?$)|((\d{1,3}(\,\d{3})*)((\.\d{2})?)$))/.test(value);}, "Please enter a money value (e.g. 100,000.00 or 100000)");
	//addMehtod: moneywhole checks if the value entered is numeric but allows "," and "£" in their correct use but decimal places are not allowed.
	jQuery.validator.addMethod("moneywhole", function(value, element) {return this.optional(element) || /^£?((\d{1,}$)|((\d{1,3}(\,\d{3})*)$))/.test(value);}, "Please enter a money value (e.g. 100,000 or 100000)");
}