Information For Readers

We encourage readers to sign up for the publishing notification service for this journal. Use the Register link at the top of the home page for the journal. This registration will result in the reader receiving the Table of Contents by email for each new issue of the journal. This list also allows the journal to claim a certain level of support or readership. See the journal's Privacy Statement, which assures readers that their name and email address will not be used for other purposes.

body{color:#000;background:#fff;font:90%/1.25 Verdana,Arial,Helvetica,sans-serif;margin:0;width:-moz-fit-content;width:fit-content;}a{color:blue;text-decoration:none;}a:visited{color:navy;}a:link:hover,a:visited:hover{color:red;text-decoration:underline;}a.text:hover{text-decoration:none;}a.jush-help:hover{color:inherit;}h1{font-size:150%;margin:0;padding:.8em 1em;border-bottom:1px solid #999;font-weight:normal;color:#777;background:#eee;}h2{font-size:150%;margin:0 0 20px -18px;padding:.8em 1em;border-bottom:1px solid #000;color:#000;font-weight:normal;background:#ddf;}h3{font-weight:normal;font-size:130%;margin:1em 0 0;}form{margin:0;}td table{width:100%;margin:0;}table{margin:1em 20px 0 0;border-collapse:collapse;font-size:90%;}td,th{border:1px solid #999;padding:.2em .3em;}th{background:#eee;text-align:left;}thead th{text-align:center;padding:.2em .5em;}thead td,thead th{background:#ddf;}fieldset{display:inline;vertical-align:top;padding:.5em .8em;margin:.8em .5em 0 0;border:1px solid #999;}p{margin:.8em 20px 0 0;}img{vertical-align:middle;border:0;}td img{max-width:200px;max-height:200px;}code{background:#eee;}tbody tr:hover td,tbody tr:hover th{background:#eee;}pre{margin:1em 0 0;}pre,textarea{font:100%/1.25 monospace;}input{vertical-align:middle;}input.default{box-shadow:1px 1px 1px #777;}input.required{box-shadow:1px 1px 1px red;}input.maxlength{box-shadow:1px 1px 1px red;}input.wayoff{left:-1000px;position:absolute;}.block{display:block;}.version{color:#777;font-size:67%;}.js .hidden,.nojs .jsonly{display:none;}.js .column{position:absolute;background:#ddf;padding:.27em 1ex .3em 0;margin-top:-.27em;}.nowrap td,.nowrap th,td.nowrap,p.nowrap{white-space:pre;}.wrap td{white-space:normal;}.error{color:red;background:#fee;}.error b{background:#fff;font-weight:normal;}.message{color:green;background:#efe;}.message table{color:#000;background:#fff;}.error,.message{padding:.5em .8em;margin:1em 20px 0 0;}.char{color:#007F00;}.date{color:#7F007F;}.enum{color:#007F7F;}.binary{color:red;}.odd td{background:#F5F5F5;}.js .checkable .checked td,.js .checkable .checked th{background:#ddf;}.time{color:silver;font-size:70%;}.function{text-align:right;}.number{text-align:right;}.datetime{text-align:right;}.type{width:15ex;width:auto\9;}.options select{width:20ex;width:auto\9;}.view{font-style:italic;}.active{font-weight:bold;}.sqlarea{width:98%;}.icon{width:18px;height:18px;background-color:navy;}.icon:hover{background-color:red;}.size{width:6ex;}.help{cursor:help;}.footer{position:sticky;bottom:0;margin-right:-20px;border-top:20px solid rgba(255,255,255,.7);border-image:linear-gradient(rgba(255,255,255,.2),#fff) 100% 0;}.footer > div{background:#fff;padding:0 0 .5em;}.footer fieldset{margin-top:0;}.links a{white-space:nowrap;margin-right:20px;}.logout{margin-top:.5em;position:absolute;top:0;right:0;}.loadmore{margin-left:1ex;}#menu{position:absolute;margin:10px 0 0;padding:0 0 30px 0;top:2em;left:0;width:19em;}#menu p,#logins,#tables{padding:.8em 1em;margin:0;border-bottom:1px solid #ccc;}#logins li,#tables li{list-style:none;}#dbs{overflow:hidden;}#logins,#tables{white-space:nowrap;overflow:auto;}#logins a,#tables a,#tables span{background:#fff;}#content{margin:2em 0 0 21em;padding:10px 20px 20px 0;}#lang{position:absolute;top:0;left:0;line-height:1.8em;padding:.3em 1em;}#breadcrumb{white-space:nowrap;position:absolute;top:0;left:21em;background:#eee;height:2em;line-height:1.8em;padding:0 1em;margin:0 0 0 -18px;}#h1{color:#777;text-decoration:none;font-style:italic;}#version{font-size:67%;color:red;}#schema{margin-left:60px;position:relative;-moz-user-select:none;-webkit-user-select:none;}#schema .table{border:1px solid silver;padding:0 2px;cursor:move;position:absolute;}#schema .references{position:absolute;}#help{position:absolute;border:1px solid #999;background:#eee;padding:5px;font-family:monospace;z-index:1;}.rtl h2{margin:0 -18px 20px 0;}.rtl p,.rtl table,.rtl .error,.rtl .message{margin:1em 0 0 20px;}.rtl .logout{left:0;right:auto;}.rtl #content{margin:2em 21em 0 0;padding:10px 0 20px 20px;}.rtl #breadcrumb{left:auto;right:21em;margin:0 -18px 0 0;}.rtl .pages{left:auto;right:21em;}.rtl input.wayoff{left:auto;right:-1000px;}.rtl #lang,.rtl #menu{left:auto;right:0;}@media all and (max-device-width:880px){.pages{left:auto;}#menu{position:static;width:auto;}#content{margin-left:10px;}#lang{position:static;border-top:1px solid #999;}#breadcrumb{left:auto;}.rtl .pages{right:auto;}.rtl #content{margin-right:10px;}.rtl #breadcrumb{right:auto;}}@media print{#lang,#menu{display:none;}#content{margin-left:1em;}#breadcrumb{left:1em;}.nowrap td,.nowrap th,td.nowrap{white-space:normal;}}.jush{color:black;}.jush-htm_com,.jush-com,.jush-com_code,.jush-one,.jush-php_doc,.jush-php_com,.jush-php_one,.jush-js_one,.jush-js_doc{color:gray;}.jush-php,.jush-php_new,.jush-php_fun{color:#000033;background-color:#FFF0F0;}.jush-php_quo,.jush-quo,.jush-quo_one,.jush-php_eot,.jush-apo,.jush-sql_apo,.jush-sqlite_apo,.jush-sql_quo,.jush-sql_eot{color:green;}.jush-php_apo{color:#009F00;}.jush-php_quo_var,.jush-php_var,.jush-sql_var{font-style:italic;}.jush-php_apo .jush-php_quo_var,.jush-php_apo .jush-php_var{font-style:normal;}.jush-php_halt2{background-color:white;color:black;}.jush-tag_css,.jush-att_css .jush-att_quo,.jush-att_css .jush-att_apo,.jush-att_css .jush-att_val{color:black;background-color:#FFFFE0;}.jush-tag_js,.jush-att_js .jush-att_quo,.jush-att_js .jush-att_apo,.jush-att_js .jush-att_val,.jush-css_js{color:black;background-color:#F0F0FF;}.jush-tag,.jush-xml_tag{color:navy;}.jush-att,.jush-xml_att,.jush-att_js,.jush-att_css,.jush-att_http{color:teal;}.jush-att_quo,.jush-att_apo,.jush-att_val{color:purple;}.jush-ent{color:purple;}.jush-js_key,.jush-js_key .jush-quo,.jush-js_key .jush-apo{color:purple;}.jush-js_reg{color:navy;}.jush-php_sql .jush-php_quo,.jush-php_sql .jush-php_apo,.jush-php_sqlite .jush-php_quo,.jush-php_sqlite .jush-php_apo,.jush-php_pgsql .jush-php_quo,.jush-php_pgsql .jush-php_apo,.jush-php_mssql .jush-php_quo,.jush-php_mssql .jush-php_apo,.jush-php_oracle .jush-php_quo,.jush-php_oracle .jush-php_apo{background-color:#FFBBB0;}.jush-bac,.jush-php_bac,.jush-bra,.jush-mssql_bra,.jush-sqlite_quo{color:red;}.jush-num,.jush-clr{color:#007F7F;}.jush a{color:navy;}.jush a.jush-help{cursor:help;}.jush-sql a,.jush-sql_code a,.jush-sqlite a,.jush-pgsql a,.jush-mssql a,.jush-oracle a,.jush-simpledb a{font-weight:bold;}.jush-php_sql .jush-php_quo a,.jush-php_sql .jush-php_apo a{font-weight:normal;}.jush-tag a,.jush-att a,.jush-apo a,.jush-quo a,.jush-php_apo a,.jush-php_quo a,.jush-php_eot2 a{color:inherit;color:expression(parentNode.currentStyle.color);}a.jush-custom:link,a.jush-custom:visited{font-weight:normal;color:inherit;color:expression(parentNode.currentStyle.color);}.jush p{margin:0;}