/*
	[Discuz!] (C)2001-2009 Comsenz Inc.
	This is NOT a freeware, use is subject to license terms

	$Id: common.js 20980 2009-11-05 02:06:19Z monkey $
*/

var BROWSER = {};
var USERAGENT = navigator.userAgent.toLowerCase();
BROWSER.ie = window.ActiveXObject && USERAGENT.indexOf('msie') != -1 && USERAGENT.substr(USERAGENT.indexOf('msie') + 5, 3);
BROWSER.firefox = document.getBoxObjectFor && USERAGENT.indexOf('firefox') != -1 && USERAGENT.substr(USERAGENT.indexOf('firefox') + 8, 3);
BROWSER.chrome = window.MessageEvent && !document.getBoxObjectFor && USERAGENT.indexOf('chrome') != -1 && USERAGENT.substr(USERAGENT.indexOf('chrome') + 7, 10);
BROWSER.opera = window.opera && opera.version();
BROWSER.safari = window.openDatabase && USERAGENT.indexOf('safari') != -1 && USERAGENT.substr(USERAGENT.indexOf('safari') + 7, 8);
BROWSER.other = !BROWSER.ie && !BROWSER.firefox && !BROWSER.chrome && !BROWSER.opera && !BROWSER.safari;
BROWSER.firefox = BROWSER.chrome ? 1 : BROWSER.firefox;

var DISCUZCODE = [];
DISCUZCODE['num'] = '-1';
DISCUZCODE['html'] = [];
var CSSLOADED = [];
var JSMENU = [];
JSMENU['active'] = [];
JSMENU['timer'] = [];
JSMENU['drag'] = [];
JSMENU['layer'] = 0;
JSMENU['zIndex'] = {'win':200,'menu':300,'prompt':400,'dialog':500};
JSMENU['float'] = '';
var AJAX = [];
AJAX['debug'] = 0;
AJAX['url'] = [];
AJAX['stack'] = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0];
var clipboardswfdata = '';
var CURRENTSTYPE = null;
var discuz_uid = isUndefined(discuz_uid) ? 0 : discuz_uid;
var creditnotice = isUndefined(creditnotice) ? '' : creditnotice;
var cookiedomain = isUndefined(cookiedomain) ? '' : cookiedomain;
var cookiepath = isUndefined(cookiepath) ? '' : cookiepath;

if(BROWSER.firefox && window.HTMLElement) {
	HTMLElement.prototype.__defineSetter__('outerHTML', function(sHTML) {
        	var r = this.ownerDocument.createRange();
		r.setStartBefore(this);
		var df = r.createContextualFragment(sHTML);
		this.parentNode.replaceChild(df,this);
		return sHTML;
	});

	HTMLElement.prototype.__defineGetter__('outerHTML', function() {
		var attr;
		var attrs = this.attributes;
		var str = '<' + this.tagName.toLowerCase();
		for(var i = 0;i < attrs.length;i++){
			attr = attrs[i];
			if(attr.specified)
			str += ' ' + attr.name + '="' + attr.value + '"';
		}
		if(!this.canHaveChildren) {
			return str + '>';
		}
		return str + '>' + this.innerHTML + '</' + this.tagName.toLowerCase() + '>';
        });

	HTMLElement.prototype.__defineGetter__('canHaveChildren', function() {
		switch(this.tagName.toLowerCase()) {
			case 'area':case 'base':case 'basefont':case 'col':case 'frame':case 'hr':case 'img':case 'br':case 'input':case 'isindex':case 'link':case 'meta':case 'param':
			return false;
        	}
		return true;
	});
	HTMLElement.prototype.click = function(){
		var evt = this.ownerDocument.createEvent('MouseEvents');
		evt.initMouseEvent('click', true, true, this.ownerDocument.defaultView, 1, 0, 0, 0, 0, false, false, false, false, 0, null);
		this.dispatchEvent(evt);
	};
}

function $(id) {
	return document.getElementById(id);
}

function display(id) {
	$(id).style.display = $(id).style.display == '' ? 'none' : '';
}

function isUndefined(variable) {
	return typeof variable == 'undefined' ? true : false;
}



function announcement() {
	var ann = new Object();
	ann.anndelay = 3000;ann.annst = 0;ann.annstop = 0;ann.annrowcount = 0;ann.anncount = 0;ann.annlis = $('annbody').getElementsByTagName("LI");ann.annrows = new Array();
	ann.announcementScroll = function () {
		if(this.annstop) { this.annst = setTimeout(function () { ann.announcementScroll(); }, this.anndelay);return; }
		if(!this.annst) {
			var lasttop = -1;
			for(i = 0;i < this.annlis.length;i++) {
				if(lasttop != this.annlis[i].offsetTop) {
					if(lasttop == -1) lasttop = 0;
					this.annrows[this.annrowcount] = this.annlis[i].offsetTop - lasttop;this.annrowcount++;
				}
				lasttop = this.annlis[i].offsetTop;
			}
			if(this.annrows.length == 1) {
				$('ann').onmouseover = $('ann').onmouseout = null;
			} else {
				this.annrows[this.annrowcount] = this.annrows[1];
				$('annbodylis').innerHTML += $('annbodylis').innerHTML;
				this.annst = setTimeout(function () { ann.announcementScroll(); }, this.anndelay);
				$('ann').onmouseover = function () { ann.annstop = 1; };
				$('ann').onmouseout = function () { ann.annstop = 0; };
			}
			this.annrowcount = 1;
			return;
		}
		if(this.annrowcount >= this.annrows.length) {
			$('annbody').scrollTop = 0;
			this.annrowcount = 1;
			this.annst = setTimeout(function () { ann.announcementScroll(); }, this.anndelay);
		} else {
			this.anncount = 0;
			this.announcementScrollnext(this.annrows[this.annrowcount]);
		}
	};
	ann.announcementScrollnext = function (time) {
		$('annbody').scrollTop++;
		this.anncount++;
		if(this.anncount != time) {
			this.annst = setTimeout(function () { ann.announcementScrollnext(time); }, 10);
		} else {
			this.annrowcount++;
			this.annst = setTimeout(function () { ann.announcementScroll(); }, this.anndelay);
		}
	};
	ann.announcementScroll();
}



if(BROWSER.ie) {
	document.documentElement.addBehavior("#default#userdata");
}