/*This controls the most common javascript elements on all the CNR webpages*/
$(document).ready(function(){
	$('#fontup').click(fontresize);
	$('#fontdown').click(fontresize);
	$('#fontup2').click(fontresize);
	$('#fontdown2').click(fontresize);
	$('.tabs').click(function(event){
			event.stopPropagation();
			event.preventDefault();
			this.blur();
			var ids = this.id.substr(this.id.length - 1);
			$('.navtab').removeClass('current');
			$(this).parent().addClass('current');
			$('div[@id^=contentlayer]').hide();
			$('#contentlayer'+ids).show();
			return false;
			});
	$('.localnavlink').click(function(event){
			event.stopPropagation();
			var id2 = this.id.substr(this.id.length - 1);
			togglemenu(id2);
			return false;
			});
	$('.styles').click(function(event){
			event.stopPropagation();
			var title = this.id;
			setActiveStyleSheet(title);
			return false;
			});
	$('.hidestyles').click(function(event){
			event.stopPropagation();
			var title = this.id;
			//title = title.replace(/2/,"");
			setActiveStyleSheet(title);
			return false;
			});
	$('.hidestyles3').click(function(event){
			event.stopPropagation();
			var title = this.id;
			title = title.replace(/2/,"");
			setActiveStyleSheet(title);
			return false;
			});
	$('.styles').mouseover(function(event){
			var newalt = this.alt;
			var texttools = $('#texttools').attr('alt', newalt);
			});
});	


//controls the changing style sheets and buttons
function fontresize(event) {
	event.stopPropagation();
	var size = parseInt($('.bodycopy',document.body).css('fontSize'));
	var size1 = parseInt($('.pagetitle',document.body).css('fontSize'));
	var size2 = parseInt($('.linksmall',document.body).css('fontSize'));
	var size3 = parseInt($('.breadcrumb',document.body).css('fontSize'));
	var size4 = parseInt($('.tabs',document.body).css('fontSize'));
	var size5 = parseInt($('#localnav',document.body).css('fontSize'));
	var size6 = parseInt($('.localsubnav',document.body).css('fontSize'));
	var size7 = parseInt($('h1',document.body).css('fontSize'));
	var size8 = parseInt($('h2',document.body).css('fontSize'));
	var size9 = parseInt($('h3',document.body).css('fontSize'));
	var size10 = parseInt($('li',document.body).css('fontSize'));
	if (this.id=="fontup")
		{	
	delta = 2;
		}
	else if (this.id=="fontup2")
		{	
	delta = 2;
		}
	else
		{
		delta = -2;
		}
	$('.bodycopy',document.body).css({'fontSize':parseInt(size)+parseInt(delta)+'px'});
	$('.pagetitle',document.body).css({'fontSize':parseInt(size1)+parseInt(delta)+'px'});
	$('.linksmall',document.body).css({'fontSize':parseInt(size2)+parseInt(delta)+'px'});
	$('.breadcrumb',document.body).css({'fontSize':parseInt(size3)+parseInt(delta)+'px'});
	$('.tabs',document.body).css({'fontSize':parseInt(size4)+parseInt(delta)+'px'});
	$('#localnav',document.body).css({'fontSize':parseInt(size5)+parseInt(delta)+'px'});
	$('.localsubnav',document.body).css({'fontSize':parseInt(size6)+parseInt(delta)+'px'});
	$('h1',document.body).css({'fontSize':parseInt(size7)+parseInt(delta)+'px'});
	$('h2',document.body).css({'fontSize':parseInt(size8)+parseInt(delta)+'px'});
	$('h3',document.body).css({'fontSize':parseInt(size9)+parseInt(delta)+'px'});
	$('li',document.body).css({'fontSize':parseInt(size10)+parseInt(delta)+'px'});
	return false;
}

function setActiveStyleSheet(title) {
  var i, a, main;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title")) {
      a.disabled = true;
      if(a.getAttribute("title") == title) a.disabled = false;
    }
  }
}

function getActiveStyleSheet() {
  var i, a;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title") && !a.disabled) return a.getAttribute("title");
  }
  return null;
}

function getPreferredStyleSheet() {
  var i, a;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1
       && a.getAttribute("rel").indexOf("alt") == -1
       && a.getAttribute("title")
       ) return a.getAttribute("title");
  }
  return null;
}

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;
}

window.onload = function(e) {
  var cookie = readCookie("style");
  var title = cookie ? cookie : getPreferredStyleSheet();
  setActiveStyleSheet(title);
}

window.onunload = function(e) {
  var title = getActiveStyleSheet();
  createCookie("style", title, 365);
}

var cookie = readCookie("style");
var title = cookie ? cookie : getPreferredStyleSheet();
setActiveStyleSheet(title);

//swaps images
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

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 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];}
}

//toggles the dropdown menus
function togglemenu (postid) { 

   var whichpost = document.getElementById(postid); 
   
   if (whichpost.className=="menushown") { 
      whichpost.className="menuhidden"; 
   } 
   else { 
      whichpost.className="menushown"; 
   } 
} 

/*controls various things on the homepage*/
function checkMain1() {
	document.getElementById("mainimage").style.backgroundImage = "url('<?php print $rollover1;?>')";
	console.debug(document.getElementById("mainimage").style.backgroundImage);
	return false;
	}
	
function checkMain2() {	
	document.getElementById("mainimage").style.backgroundImage = "url('<?php print $rollover2;?>')";
	console.debug(document.getElementById("mainimage").style.backgroundImage);
	return false;
	}
function checkMain3() {		
	document.getElementById("mainimage").style.backgroundImage = "url('<?php print $rollover3;?>')";
	console.debug(document.getElementById("mainimage").style.backgroundImage);
	return false;
	}

function checkMain4() {	
	document.getElementById("mainimage").style.backgroundImage = "url('<?php print $rollover4;?>')";
	console.debug(document.getElementById("mainimage").style.backgroundImage);
	return false;
	}

function checkMain() 
	{
	document.getElementById("mainimage").style.backgroundImage = "url('<?php print $reason_photo;?>')";
	console.debug(document.getElementById("mainimage").style.backgroundImage);
	return false;
	}