function highlightReply(id)
{
	var divs = document.getElementsByTagName('div');
	for (var i = 0; i < divs.length; i++)
	{
		if (divs[i].className.indexOf('post') != -1)
			divs[i].className = divs[i].className.replace(/highlighted/, '');
	}
	if (id)
		document.getElementById('reply_'+id).className += ' highlighted';
}
function focusId(id)
{
	document.getElementById(id).focus();
	init();
}

function generatePassword() {
	pass = '';
	chars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789!@#$%^&*()_+';
	for(i=0;i<8;i++) {
		rnd = Math.floor(Math.random() * chars.length);
		pass += chars.substring(rnd,rnd + 1);
	}
	return pass;
}

function dopost(form) {
	localStorage.name = form.name.value.replace(/ ##.+$/, '');
	if(form.email.value != 'sage')
		localStorage.email = form.email.value;
	
	return form.body.value != "" || (typeof form.thread != "undefined" && form.file.value != "");
}
function citeReply(id) {
	document.getElementById('body').value += '>>' + id + '\n';
}

var selectedstyle = 'Yotsuba B';
var styles = [
	['Yotsuba B', '/default.css'],
	['Yotsuba', '/yotsuba.css']
];

function changeStyle(x) {
	localStorage.stylesheet = styles[x][1];
	document.getElementById('stylesheet').href = styles[x][1];
	selectedstyle = styles[x][0];
}

newLink = document.createElement('link');
newLink.rel = 'stylesheet';
newLink.type = 'text/css';
newLink.id = 'stylesheet';
document.getElementsByTagName('head')[0].insertBefore(newLink, document.getElementsByTagName('link')[0].lastChild)

if(localStorage.stylesheet) {
	for(x=0;x<styles.length;x++) {
		if(styles[x][1] == localStorage.stylesheet) {
			changeStyle(x);
			break;
		}
	}
}

function init()
{
	newElement = document.createElement('div');
	newElement.className = 'styles';
	
	for(x=0;x<styles.length;x++) {
		style = document.createElement('a');
		style.innerHTML = '[' + styles[x][0] + ']';
		style.href = 'javascript:changeStyle(' + x + ');';
		if(selectedstyle == styles[x][0])
			style.className = 'selected';
		newElement.appendChild(style);
	}	
	
	if(!localStorage.password)
		localStorage.password = generatePassword();
	elements = document.getElementsByName('password');
	for(x=0;x<elements.length;x++) {
		elements[x].value = localStorage.password;
	}
	
	document.getElementsByTagName('body')[0].insertBefore(newElement, document.getElementsByTagName('body')[0].lastChild)
	
	if (window.location.hash.indexOf('q') == 1)
		citeReply(window.location.hash.substring(2));
	else if (window.location.hash.substring(1))
		highlightReply(window.location.hash.substring(1));
	if(localStorage.name)
		document.getElementsByTagName('form')[0].name.value = localStorage.name;
	if(localStorage.email)
		document.getElementsByTagName('form')[0].email.value = localStorage.email;
	
	link = document.getElementsByTagName('a');
	for ( i in link ) {
		if(typeof link[i] == "object" && link[i].childNodes[0].src) {
			link[i].onclick = function() {
				if(!this.tag) {
					this.tag = this.childNodes[0].src;
					this.childNodes[0].src = this.href;
					this.childNodes[0].style.width = 'auto';
					this.childNodes[0].style.height = 'auto';
					this.childNodes[0].style.opacity = '0.4';
					this.childNodes[0].style.filter = 'alpha(opacity=40)';
					this.childNodes[0].onload = function() {
						this.style.opacity = '1';
						this.style.filter = '';
					}
				} else {
					this.childNodes[0].src = this.tag;
					this.childNodes[0].style.width = 'auto';
					this.childNodes[0].style.height = 'auto';
					this.tag = '';
				}
				return false;
			}
			
		}
	}
}

window.onload = init;