/******************************************************************************
  Crossday Discuz! Board - Common Modules for Discuz!
  Copyright 2001-2006 Comsenz Inc. (http://www.comsenz.com)
*******************************************************************************/

var sPop = null;
var postSubmited = false;

var userAgent = navigator.userAgent.toLowerCase();
var is_opera = (userAgent.indexOf('opera') != -1);
var is_saf = ((userAgent.indexOf('applewebkit') != -1) || (navigator.vendor == 'Apple Computer, Inc.'));
var is_webtv = (userAgent.indexOf('webtv') != -1);
var is_ie = ((userAgent.indexOf('msie') != -1) && (!is_opera) && (!is_saf) && (!is_webtv));
var is_ie4 = ((is_ie) && (userAgent.indexOf('msie 4.') != -1));
var is_moz = ((navigator.product == 'Gecko') && (!is_saf));
var is_kon = (userAgent.indexOf('konqueror') != -1);
var is_ns = ((userAgent.indexOf('compatible') == -1) && (userAgent.indexOf('mozilla') != -1) && (!is_opera) && (!is_webtv) && (!is_saf));
var is_ns4 = ((is_ns) && (parseInt(navigator.appVersion) == 4));
var is_mac = (userAgent.indexOf('mac') != -1);


function announcement() {
	$('announcement').innerHTML = '<marquee style="filter:progid:DXImageTransform.Microsoft.Alpha(startX=0, startY=0, finishX=10, finishY=100,style=1,opacity=0,finishOpacity=100); margin: 0px 8px" direction="left" scrollamount="2" scrolldelay="1" onMouseOver="this.stop();" onMouseOut="this.start();">' +
		$('announcement').innerHTML + '</marquee>';
	$('announcement').style.display = 'block';
}

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

function in_array(needle, haystack) {
	if(typeof needle == 'string') {
		for(var i in haystack) {
			if(haystack[i] == needle) {
					return true;
			}
		}
	}
	return false;
}

document.write("<style type='text/css'id='defaultPopStyle'>");
document.write(".cPopText { font-family:Verdana;color:#000000;background-color: #FFFF99; border: 1px #000000 solid; font-size: 12px; padding-right: 4px; padding-left: 4px;line-height: 15px; padding-top: 4px; padding-bottom: 2px; visibility: hidden; filter: Alpha(Opacity=100)}");

document.write("</style>");
document.write("<div id='popLayer' style='position:absolute;z-index:300' class='cPopText'></div>");

function showPopupText(event) {
	if(event.srcElement) o = event.srcElement; else o = event.target;
	if(!o) {
		return;
	}
	MouseX = event.clientX;
	MouseY = event.clientY;
	if(o.alt != null && o.alt != '') {
		o.pop = o.alt;
		o.alt = '';
	}
	if(o.title != null && o.title != '') {
		o.pop = o.title;
		o.title = '';
	}
	if(o.pop != sPop) {
		sPop = o.pop;
		if(sPop == null || sPop == '') {
			$('popLayer').style.visibility = "hidden";
		} else {
			popStyle = o.dyclass != null ? o.dyclass : 'cPopText';
			$('popLayer').style.visibility = "visible";
			showIt();
		}
	}
}

function showIt() {
	$('popLayer').className = popStyle;
	$('popLayer').innerHTML = sPop.replace(/<(.*)>/g,"&lt;$1&gt;").replace(/\n/g,"<br>");
	var popWidth = $('popLayer').clientWidth;
	var popHeight = $('popLayer').clientHeight;
	var popLeftAdjust = MouseX + 12 + popWidth > document.body.clientWidth ? -popWidth - 24 : 0;
	var popTopAdjust = MouseY + 12 + popHeight > document.body.clientHeight ? -popHeight - 24 : 0;
	$('popLayer').style.left = (MouseX + 12 + document.body.scrollLeft + popLeftAdjust) + 'px';
	$('popLayer').style.top = (MouseY + 12 + document.body.scrollTop + popTopAdjust) + 'px';
}

function signature(obj) {
	if(obj.style.maxHeightIE != '') {
		var height = (obj.scrollHeight > parseInt(obj.style.maxHeightIE)) ? obj.style.maxHeightIE : obj.scrollHeight;
		obj.style.maxHeightIE = '';
		return height;
	}
}

if(!document.onmouseover) {
	document.onmouseover = function(e) {
		var event = e ? e : window.event;
		showPopupText(event);
	};
}