/**
##
#	Project: PHPDISK File Storage Solution
#	This is NOT a freeware, use is subject to license terms.
#
#	Site: http://www.phpdisk.com
#
#	$Id: common.js 481 2010-10-22 01:52:32Z along $
#
#	Copyright (C) 2008-2010 PHPDisk Team. All Rights Reserved.
#
##
*/
var BROWSER = {};
var USERAGENT = navigator.userAgent.toLowerCase();
BROWSER.ie = window.ActiveXObject && USERAGENT.indexOf('msie') != -1 && USERAGENT.substr(USERAGENT.indexOf('msie') + 5, 3);
BROWSER.firefox = 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;


function AC_GetArgs(args, classid, mimeType) {
	var ret = new Object();
	ret.embedAttrs = new Object();
	ret.params = new Object();
	ret.objAttrs = new Object();
	for (var i = 0; i < args.length; i = i + 2){
		var currArg = args[i].toLowerCase();
		switch (currArg){
			case "classid":break;
			case "pluginspage":ret.embedAttrs[args[i]] = 'http://www.macromedia.com/go/getflashplayer';break;
			case "src":ret.embedAttrs[args[i]] = args[i+1];ret.params["movie"] = args[i+1];break;
			case "codebase":ret.objAttrs[args[i]] = 'http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=9,0,0,0';break;
			case "onafterupdate":case "onbeforeupdate":case "onblur":case "oncellchange":case "onclick":case "ondblclick":case "ondrag":case "ondragend":
			case "ondragenter":case "ondragleave":case "ondragover":case "ondrop":case "onfinish":case "onfocus":case "onhelp":case "onmousedown":
			case "onmouseup":case "onmouseover":case "onmousemove":case "onmouseout":case "onkeypress":case "onkeydown":case "onkeyup":case "onload":
			case "onlosecapture":case "onpropertychange":case "onreadystatechange":case "onrowsdelete":case "onrowenter":case "onrowexit":case "onrowsinserted":case "onstart":
			case "onscroll":case "onbeforeeditfocus":case "onactivate":case "onbeforedeactivate":case "ondeactivate":case "type":
			case "id":ret.objAttrs[args[i]] = args[i+1];break;
			case "width":case "height":case "align":case "vspace": case "hspace":case "class":case "title":case "accesskey":case "name":
			case "tabindex":ret.embedAttrs[args[i]] = ret.objAttrs[args[i]] = args[i+1];break;
			default:ret.embedAttrs[args[i]] = ret.params[args[i]] = args[i+1];
		}
	}
	ret.objAttrs["classid"] = classid;
	if(mimeType) {
		ret.embedAttrs["type"] = mimeType;
	}
	return ret;
}

function AC_DetectFlashVer(reqMajorVer, reqMinorVer, reqRevision) {
	var versionStr = -1;
	if(navigator.plugins != null && navigator.plugins.length > 0 && (navigator.plugins["Shockwave Flash 2.0"] || navigator.plugins["Shockwave Flash"])) {
		var swVer2 = navigator.plugins["Shockwave Flash 2.0"] ? " 2.0" : "";
		var flashDescription = navigator.plugins["Shockwave Flash" + swVer2].description;
		var descArray = flashDescription.split(" ");
		var tempArrayMajor = descArray[2].split(".");
		var versionMajor = tempArrayMajor[0];
		var versionMinor = tempArrayMajor[1];
		var versionRevision = descArray[3];
		if(versionRevision == "") {
			versionRevision = descArray[4];
		}
		if(versionRevision[0] == "d") {
			versionRevision = versionRevision.substring(1);
		} else if(versionRevision[0] == "r") {
			versionRevision = versionRevision.substring(1);
			if(versionRevision.indexOf("d") > 0) {
				versionRevision = versionRevision.substring(0, versionRevision.indexOf("d"));
			}
		}
		versionStr = versionMajor + "." + versionMinor + "." + versionRevision;
	} else if(BROWSER.ie && !BROWSER.opera) {
		try {
			var axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.7");
			versionStr = axo.GetVariable("$version");
		} catch (e) {}
	}
	if(versionStr == -1 ) {
		return false;
	} else if(versionStr != 0) {
		if(BROWSER.ie && !BROWSER.opera) {
			tempArray = versionStr.split(" ");
			tempString = tempArray[1];
			versionArray = tempString.split(",");
		} else {
			versionArray = versionStr.split(".");
		}
		var versionMajor = versionArray[0];
		var versionMinor = versionArray[1];
		var versionRevision = versionArray[2];
		return versionMajor > parseFloat(reqMajorVer) || (versionMajor == parseFloat(reqMajorVer)) && (versionMinor > parseFloat(reqMinorVer) || versionMinor == parseFloat(reqMinorVer) && versionRevision >= parseFloat(reqRevision));
	}
}

function AC_FL_RunContent() {
	var str = '';
	if(AC_DetectFlashVer(9,0,124)) {
		var ret = AC_GetArgs(arguments, "clsid:d27cdb6e-ae6d-11cf-96b8-444553540000", "application/x-shockwave-flash");
		if(BROWSER.ie && !BROWSER.opera) {
			str += '<object ';
			for (var i in ret.objAttrs) {
				str += i + '="' + ret.objAttrs[i] + '" ';
			}
			str += '>';
			for (var i in ret.params) {
				str += '<param name="' + i + '" value="' + ret.params[i] + '" /> ';
			}
			str += '</object>';
		} else {
			str += '<embed ';
			for (var i in ret.embedAttrs) {
				str += i + '="' + ret.embedAttrs[i] + '" ';
			}
			str += '></embed>';
		}
	} else {
		str = '此内容需要 Adobe Flash Player 9.0.124 或更高版本<br /><a href="http://www.adobe.com/go/getflashplayer/" target="_blank"><img src="http://www.adobe.com/images/shared/download_buttons/get_flash_player.gif" alt="下载 Flash Player" /></a>';
	}
	return str;
}
String.prototype.strtrim = function(){
	return this.replace(/(^\s*)|(\s*$)/g, "");
}
String.prototype.toInt = function() {
	var s = parseInt(this);
	return isNaN(s) ? 0 : s;
}
function getId(id){
	return document.getElementById(id);	
}
function go(url){
	document.location.href = url;
}

function resize_textarea(obj,type) {
	if(type == 'plus'){
		var newheight = parseInt(getId(obj).style.height, 10) + 50;
		getId(obj).style.height = newheight + 'px';
	}else{
		var newheight = parseInt(getId(obj).style.height, 10) - 50;
		if(newheight > 0) {
			getId(obj).style.height = newheight + 'px';
		}
	}
}

function createHttpRequest(){
	var xmlhttp;
	try{
		xmlhttp = new XMLHttpRequest();
		if(xmlhttp.overrideMimeType){
			xmlhttp.overrideMimeType('text/xml');	
		}	
	}catch(e){
		try{
			xmlhttp = new ActiveXObject('Microsoft.XMLHTTP');
		}catch(e){
			try{
				xmlhttp = new ActiveXObject('Msxml2.XMLHTTP');
			}catch(e){
				alert('Ajax error!');			
			}	
		}	
	}
	return xmlhttp;
}
function getCookie( name ) {
	var start = document.cookie.indexOf( name + "=" );
	var len = start + name.length + 1;
	if ( ( !start ) && ( name != document.cookie.substring( 0, name.length ) ) ) {
		return null;
	}
	if ( start == -1 ) return null;
	var end = document.cookie.indexOf( ";", len );
	if ( end == -1 ) end = document.cookie.length;
	return unescape( document.cookie.substring( len, end ) );
}

function setCookie( name, value, expires, path, domain, secure ) {
	var today = new Date();
	today.setTime( today.getTime() );
	if ( expires ) {
		expires = expires * 60 * 60 * 24;
	}
	var expires_date = new Date( today.getTime() + (expires) );
	document.cookie = name+"="+escape( value ) +
		( ( expires ) ? ";expires="+expires_date.toGMTString() : "" ) + 
		( ( path ) ? ";path=" + path : "" ) +
		( ( domain ) ? ";domain=" + domain : "" ) +
		( ( secure ) ? ";secure" : "" );
}

function deleteCookie( name, path, domain ) {
	if ( getCookie( name ) ) document.cookie = name + "=" +
			( ( path ) ? ";path=" + path : "") +
			( ( domain ) ? ";domain=" + domain : "" ) +
			";expires=Thu, 01-Jan-1970 00:00:01 GMT";
}

function resize_img(id,w,h){
	if(getId(id).width>w){
		getId(id).width = w;
	}
	if(getId(id).height>h){
		getId(id).height = h;
	}
}

function get_icon(ext)
{
    var icons =
	{
		'default':'file',
		'7z' : '7z',
		'asp' : 'asp',
		'aspx' : 'aspx',
		'bat' : 'bat',
		'bmp' : 'bmp',
		'chm' : 'chm',
		'css' : 'css',
		'db' : 'db',
		'dll' : 'dll',
		'doc' : 'doc',
		'exe' : 'exe',
		'file' : 'file',
		'fla' : 'fla',
		'gif' : 'gif',
		'htm' : 'htm',
		'html' : 'html',
		'images' : 'images',
		'ini' : 'ini',
		'jpeg' : 'jpeg',
		'jpg' : 'jpg',
		'js' : 'js',
		'jsp' : 'jsp',
		'lnk' : 'lnk',
		'mdb' : 'mdb',
		'mov' : 'mov',
		'mp3' : 'mp3',
		'pdf' : 'pdf',
		'php' : 'php',
		'png' : 'png',
		'ppt' : 'ppt',
		'psd' : 'psd',
		'qt' : 'qt',
		'quicktime' : 'quicktime',
		'rar' : 'rar',
		'reg' : 'reg',
		'rm' : 'rm',
		'rmvb' : 'rmvb',
		'shtml' : 'shtml',
		'swf' : 'swf',
		'tif' : 'tif',
		'torrent' : 'torrent',
		'txt' : 'txt',
		'vbs' : 'vbs',
		'video' : 'video',
		'video2' : 'video2',
		'video3' : 'video3',
		'vsd' : 'vsd',
		'wmv' : 'wmv',
		'xls' : 'xls',
		'xml' : 'xml',
		'xsl' : 'xsl',
		'zip' : 'zip'
	}
    return icons[ext] ? icons[ext] : icons['default'];
}
function get_extension(n){
	n = n.substr(n.lastIndexOf('.')+1);
	return n.toLowerCase();
}
function rtn_display_status(id){
	return getId(id).style.display = getId(id).style.display=='' ? 'none' : '';
}
function reverse_ids(id){
	for (var i=0;i<id.length;i++) {
		var ids = id[i];
		ids.checked = !ids.checked;
	}
}
function cancel_ids(id){
	for (var i=0;i<id.length;i++) {
		var ids = id[i];
		ids.checked = false;
	}
}
function checkbox_ids(ids){
	var n = document.getElementsByName(ids);
	var j = 0;
	for(i = 0; i < n.length; i++){
		if(n[i].checked){
			j++;
		}
	}
	if(j ==0){
		return false;
	}else{
		return true;
	}
}
function on_menu(parent, child, position, showtype){
	var p = getId(parent);
	var c = getId(child);
	
	p["_parent"]     = p.id;
	c["_parent"]     = p.id;
	p["_child"]      = c.id;
	c["_child"]      = c.id;
	p["_position"]   = position;
	c["_position"]   = position;
	
	c.style.position   = "absolute";
	c.style.visibility = "hidden";
	p.style.cursor = 'pointer';
	
	if(showtype == 'click'){
		p.onclick     = _on_click;
		p.onmouseout  = _on_hide;
		c.onmouseover = _on_show;
		c.onmouseout  = _on_hide;
	}else{
		p.onmouseover = _on_show;
		p.onmouseout  = _on_hide;
		c.onmouseover = _on_show;
		c.onmouseout  = _on_hide;
	}
}

function _on_show_event(parent, child){
	var p = getId(parent);
	var c = getId(child);
	
	var ph = p.offsetHeight;
	var pw = p.offsetWidth;
	var pl = p.offsetLeft;
	var pt = p.offsetTop;
	
	var ch = c.offsetHeight;
	var cw = c.offsetWidth;
	var cl = c.offsetLeft;
	var ct = c.offsetTop;
	
	var top,left;
	
	if(c["_position"]=="-x"){top=0;left=-cw-2;}
	if(c["_position"]=="-y"){top=-ch+2;left=0;}
	if(c["_position"]=="x"){top=0;left=pw+2;}
	if(c["_position"]=="y"){top=ph+2;left=0;}
	
	for (; p; p = p.offsetParent){
		top  += p.offsetTop;
		left += p.offsetLeft;
	}
	
	c.style.position   = "absolute";
	c.style.top        = top +'px';
	c.style.left       = left+'px';
	c.style.visibility = "visible";
}
function _on_show(){
	var p = getId(this["_parent"]);
	var c = getId(this["_child" ]);
	
	_on_show_event(p.id, c.id);
	clearTimeout(c["at_timeout"]);
}
function _on_hide(){
	var p = getId(this["_parent"]);
	var c = getId(this["_child" ]);
	
	c["at_timeout"] = setTimeout("getId('"+c.id+"').style.visibility = 'hidden'", 100);
}
function _on_click(){
	var p = getId(this["_parent"]);
	var c = getId(this["_child" ]);
	
	if (c.style.visibility != "visible") _on_show_event(p.id, c.id); else c.style.visibility = "hidden";
	return false;
}