//#global site functions
//#text resizer, clear default form inputs, print page

$(function(){
	//#show parts of page only relevant to js enabled visitors
	$('#resize,a.print').show();
		   
	//#detect font preference if any
	applyStyle();
	
	//#form input default text
	$('input.helper').labelify();
	
	//#print page link
	$('a.print').click(function(event){
		event.preventDefault();
		window.print();
	});
	
	//#resize text
	$('#resize a').click(function(event){
		event.preventDefault();
		setStyle($(this).attr('id'));
	});

})

//#text resizer supporting functions
function createCookie(name,value,days) {
  if (days) {
    var date = new Date();
    date.setTime(date.getTime()+(days*24*60*60*1000));
    var expires = "; expires="+date.toGMTString();
  }
  else expires = "";
  document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
  var nameEQ = name + "=";
  var ca = document.cookie.split(';');
  for(var i=0;i < ca.length;i++) {
    var c = ca[i];
    while (c.charAt(0)==' ') c = c.substring(1,c.length);
    if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
  }
  return null;
}

//#adjust style based on choice and save preference in cookie
function setStyle(style)
{
	$('body').removeClass('size-normal size-large size-largest').addClass(style);
	createCookie('style',style);
}

//#detect style preference cookie and apply it
function applyStyle() {
  var style = readCookie('style');
  if(style)
  {
		$('body').addClass(style);	
  }
}