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POMultiple pagination scripts in one page
 

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  1. POMultiple pagination scripts in one page
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    <pre><code>function Pager(tableName, itemsPerPage) { this.tableName = tableName; this.itemsPerPage = itemsPerPage; this.currentPage = 1; this.pages = 0; this.inited = false; this.showRecords = function(from, to) { var rows = document.getElementById(tableName).rows; // i starts from 1 to skip table header row for (var i = 1; i &lt; rows.length; i++) { if (i &lt; from || i &gt; to) rows[i].style.display = 'none'; else rows[i].style.display = ''; } } this.showPage = function(pageNumber) { if (! this.inited) { alert("not inited"); return; } var oldPageAnchor = document.getElementById('pg'+this.currentPage); oldPageAnchor.className = 'pg-normal'; this.currentPage = pageNumber; var newPageAnchor = document.getElementById('pg'+this.currentPage); newPageAnchor.className = 'pg-selected'; var from = (pageNumber - 1) * itemsPerPage + 1; var to = from + itemsPerPage - 1; this.showRecords(from, to); } this.prev = function() { if (this.currentPage &gt; 1) this.showPage(this.currentPage - 1); } this.next = function() { if (this.currentPage &lt; this.pages) { this.showPage(this.currentPage + 1); } } this.init = function() { var rows = document.getElementById(tableName).rows; var records = (rows.length - 1); this.pages = Math.ceil(records / itemsPerPage); this.inited = true; } this.showPageNav = function(pagerName, positionId) { if (! this.inited) { alert("not inited"); return; } var element = document.getElementById(positionId); var pagerHtml = '&lt;a id="myshow" onmousemove="one()" onclick="' + pagerName + '.prev();" class="pg-normal pgnleft"&gt; &amp;#171 Prev &lt;/a&gt; '; for (var page = 1; page &lt;= this.pages; page++) pagerHtml += '&lt;span id="pg' + page + '" class="pg-normal" onclick="' + pagerName + '.showPage(' + page + ');"&gt;' + page + '&lt;/span&gt; '; pagerHtml += '&lt;span onclick="'+pagerName+'.next();" class="pg-normal pgnright"&gt; Next &amp;#187;&lt;/span&gt;'; element.innerHTML = pagerHtml; } } </code></pre> <p>I'm using that as a pagination script on a page I'm trying to make. </p> <pre><code>&lt;script type="text/javascript"&gt;&lt;!-- var pager = new Pager('results', 2); pager.init(); pager.showPageNav('pager', 'pageNavPosition'); pager.showPage(2); //--&gt;&lt;/script&gt; </code></pre> <p>I have 5 tables in one page that is uses the first script so I tried putting the script above at the end of each table. When I do that, the paginations shows up and works but the pg-selected does not work. Is there anything I'm doing wrong? I also do this:</p> <pre><code>&lt;script type="text/javascript"&gt;&lt;!-- var pager2 = new Pager('results2', 2); pager2.init(); pager2.showPageNav('pager2', 'pageNavPosition2'); pager2.showPage(2); //--&gt;&lt;/script&gt; </code></pre> <p>at the end of each table, I just replace the table name(results2 to results3, results4...). It looks wrong. Is there anyone there that can explain what I'm doing wrong?</p>
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    1. USAdrengski
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      1. POMultiple pagination scripts in one page
      1. USPaul Sweatte
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    1. COThe problem is that your script generates elements with **IDs**. IDs are supposed to be unique. When the scripts calls `document.getElementById('pg'+this.currentPage);`, it will get the first element in the DOM with this ID, not the one that logaically belongs to the pagination instance. Use classes instead.
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      1. POMultiple pagination scripts in one page
      1. USFelix Kling
    2. CO@FelixKling. Thank you so much! It took me an hour to figureout things but this led me to the right way. I was wrong with the ID. THanks again!
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      1. USAdrengski
 

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