function get_cookie(name)
{
	with(document.cookie)
	{
		var regexp=new RegExp("(^|;\\s+)"+name+"=(.*?)(;|$)");
		var hit=regexp.exec(document.cookie);
		if(hit&&hit.length>2) return unescape(hit[2]);
		else return '';
	}
};

function set_cookie(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 insert(text)
{
	var textarea=document.forms.postform.body;
	if(textarea)
	{
		if(textarea.createTextRange && textarea.caretPos) // IE
		{
			var caretPos=textarea.caretPos;
			caretPos.text=caretPos.text.charAt(caretPos.text.length-1)==" "?text+" ":text;
		}
		else if(textarea.setSelectionRange) // Firefox
		{
			var start=textarea.selectionStart;
			var end=textarea.selectionEnd;
			textarea.value=textarea.value.substr(0,start)+text+textarea.value.substr(end);
			textarea.setSelectionRange(start+text.length,start+text.length);
		}
		else
		{
			textarea.value+=text+" ";
		}
		textarea.focus();
	}
}

function highlight(post)
{
	var cells=document.getElementsByTagName("td");
	for(var i=0;i<cells.length;i++) if(cells[i].className=="highlight") cells[i].className="reply";

	var reply=document.getElementById("reply"+post);
	if(reply)
	{
		reply.className="highlight";
/*		var match=/^([^#]*)/.exec(document.location.toString());
		document.location=match[1]+"#"+post;*/
		return false;
	}

	return true;
}

function set_stylesheet_byname(styletitle)
{
	var links = document.getElementsByTagName("link");
	var found=false;
	for(var i=0;i<links.length;i++)
	{
		var rel=links[i].getAttribute("rel");
		var title=links[i].getAttribute("title");
		if(rel.indexOf("style")!=-1&&title)
		{
			links[i].disabled=true; // IE needs this to work. IE needs to die.
			if(styletitle==title) { links[i].disabled=false; found=true; }
		}
	}
	if(!found)
	{
		if(target) set_preferred_stylesheet(target);
		else set_preferred_stylesheet();
	}
}

function set_stylesheet(styletitle)
{
	set_cookie("style",styletitle,365);
	set_stylesheet_byname(styletitle);
}

function set_preferred_stylesheet(target)
{
	var links = target ? target.document.getElementsByTagName("link") : document.getElementsByTagName("link");
	for(var i=0;i<links.length;i++)
	{
		var rel=links[i].getAttribute("rel");
		var title=links[i].getAttribute("title");
		if(rel.indexOf("style")!=-1&&title) links[i].disabled=(rel.indexOf("alt")!=-1);
	}
}

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

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

function set_inputs(id,forcedanon)
{
	with(document.getElementById(id))
	{
		body.focus();
	}
}

window.onunload=function(e)
{
	if(style_cookie && selfboard)
	{
		var title=get_active_stylesheet();
		set_cookie(style_cookie,title,365);
	}
}

window.onload=function(e)
{
	var match;

	if(match=/#i([0-9]+)/.exec(document.location.toString()))
	if(!document.forms.postform.body.value)
	insert(">>"+match[1]);

	if(match=/#([0-9]+)/.exec(document.location.toString()))
	highlight(match[1]);
}

if(style_cookie)
{
	var cookie=get_cookie(style_cookie);
	var title=cookie?cookie:get_preferred_stylesheet();
	set_stylesheet(title);
}

function firstClear(obj)
{
  if(obj.cleared == undefined)
  {
    obj.value = '';
    obj.cleared = true;
  }
}

function formsubmit()
{
	obj = document.getElementsByName("title")[0];
	firstClear(obj);
	obj = document.getElementsByName("captcha")[0];
	firstClear(obj);
	obj = document.getElementsByName("video")[0];
	firstClear(obj);
}