285 lines
8.4 KiB
HTML
285 lines
8.4 KiB
HTML
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<%#
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Copyright 2010 Jo-Philipp Wich <jow@openwrt.org>
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Licensed to the public under the Apache License 2.0.
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-%>
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<%+header%>
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<script type="text/javascript" src="<%=resource%>/cbi.js"></script>
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<script type="text/javascript">//<![CDATA[
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var bwxhr = new XHR();
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var G;
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var TIME = 0;
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var L01 = 1;
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var L05 = 2;
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var L15 = 3;
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var width = 760;
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var height = 300;
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var step = 5;
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var data_wanted = Math.floor(width / step);
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var data_fill = 0;
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var data_stamp = 0;
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var data_01 = [ ];
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var data_05 = [ ];
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var data_15 = [ ];
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var line_01;
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var line_05;
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var line_15;
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var label_25;
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var label_050;
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var label_75;
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var label_01_cur;
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var label_01_avg;
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var label_01_peak;
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var label_05_cur;
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var label_05_avg;
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var label_05_peak;
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var label_15_cur;
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var label_15_avg;
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var label_15_peak;
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var label_scale;
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/* wait for SVG */
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window.setTimeout(
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function() {
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var svg = document.getElementById('bwsvg');
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try {
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G = svg.getSVGDocument
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? svg.getSVGDocument() : svg.contentDocument;
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}
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catch(e) {
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G = document.embeds['bwsvg'].getSVGDocument();
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}
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if (!G)
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{
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window.setTimeout(arguments.callee, 1000);
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}
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else
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{
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/* find sizes */
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width = svg.offsetWidth - 2;
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height = svg.offsetHeight - 2;
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data_wanted = Math.ceil(width / step);
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/* prefill datasets */
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for (var i = 0; i < data_wanted; i++)
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{
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data_01[i] = 0;
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data_05[i] = 0;
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data_15[i] = 0;
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}
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/* find svg elements */
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line_01 = G.getElementById('load01');
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line_05 = G.getElementById('load05');
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line_15 = G.getElementById('load15');
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label_25 = G.getElementById('label_25');
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label_50 = G.getElementById('label_50');
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label_75 = G.getElementById('label_75');
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label_01_cur = document.getElementById('lb_load01_cur');
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label_01_avg = document.getElementById('lb_load01_avg');
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label_01_peak = document.getElementById('lb_load01_peak');
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label_05_cur = document.getElementById('lb_load05_cur');
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label_05_avg = document.getElementById('lb_load05_avg');
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label_05_peak = document.getElementById('lb_load05_peak');
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label_15_cur = document.getElementById('lb_load15_cur');
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label_15_avg = document.getElementById('lb_load15_avg');
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label_15_peak = document.getElementById('lb_load15_peak');
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label_scale = document.getElementById('scale');
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/* plot horizontal time interval lines */
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for (var i = width % (step * 60); i < width; i += step * 60)
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{
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var line = G.createElementNS('http://www.w3.org/2000/svg', 'line');
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line.setAttribute('x1', i);
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line.setAttribute('y1', 0);
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line.setAttribute('x2', i);
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line.setAttribute('y2', '100%');
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line.setAttribute('style', 'stroke:black;stroke-width:0.1');
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var text = G.createElementNS('http://www.w3.org/2000/svg', 'text');
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text.setAttribute('x', i + 5);
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text.setAttribute('y', 15);
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text.setAttribute('style', 'fill:#999999; font-size:9pt');
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text.appendChild(G.createTextNode(Math.round((width - i) / step / 60) + 'm'));
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label_25.parentNode.appendChild(line);
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label_25.parentNode.appendChild(text);
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}
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label_scale.innerHTML = String.format('<%:(%d minute window, %d second interval)%>', data_wanted / 60, 3);
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/* render datasets, start update interval */
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XHR.poll(3, '<%=build_url("admin/status/realtime/load_status")%>', null,
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function(x, data)
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{
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var data_max = 0;
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var data_scale = 0;
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var data_01_avg = 0;
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var data_05_avg = 0;
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var data_15_avg = 0;
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var data_01_peak = 0;
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var data_05_peak = 0;
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var data_15_peak = 0;
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for (var i = data_stamp ? 0 : 1; i < data.length; i++)
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{
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/* skip overlapping entries */
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if (data[i][TIME] <= data_stamp)
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continue;
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data_01.push(data[i][L01]);
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data_05.push(data[i][L05]);
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data_15.push(data[i][L15]);
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}
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/* cut off outdated entries */
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data_01 = data_01.slice(data_01.length - data_wanted, data_01.length);
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data_05 = data_05.slice(data_05.length - data_wanted, data_05.length);
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data_15 = data_15.slice(data_15.length - data_wanted, data_15.length);
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/* find peak */
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for (var i = 0; i < data_01.length; i++)
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{
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data_max = Math.max(data_max, data_01[i]);
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data_max = Math.max(data_max, data_05[i]);
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data_max = Math.max(data_max, data_15[i]);
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data_01_peak = Math.max(data_01_peak, data_01[i]);
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data_05_peak = Math.max(data_05_peak, data_05[i]);
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data_15_peak = Math.max(data_15_peak, data_15[i]);
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if (i > 0)
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{
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data_01_avg = (data_01_avg + data_01[i]) / 2;
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data_05_avg = (data_05_avg + data_05[i]) / 2;
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data_15_avg = (data_15_avg + data_15[i]) / 2;
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}
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else
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{
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data_01_avg = data_01[i];
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data_05_avg = data_05[i];
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data_15_avg = data_15[i];
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}
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}
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/* remember current timestamp, calculate horizontal scale */
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data_stamp = data[data.length-1][TIME];
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data_scale = height / (data_max * 1.1);
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/* plot data */
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var pt_01 = '0,' + height;
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var pt_05 = '0,' + height;
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var pt_15 = '0,' + height;
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var y_01 = 0;
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var y_05 = 0;
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var y_15 = 0;
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for (var i = 0; i < data_01.length; i++)
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{
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var x = i * step;
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y_01 = height - Math.floor(data_01[i] * data_scale);
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y_05 = height - Math.floor(data_05[i] * data_scale);
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y_15 = height - Math.floor(data_15[i] * data_scale);
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pt_01 += ' ' + x + ',' + y_01;
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pt_05 += ' ' + x + ',' + y_05;
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pt_15 += ' ' + x + ',' + y_15;
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}
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pt_01 += ' ' + width + ',' + y_01 + ' ' + width + ',' + height;
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pt_05 += ' ' + width + ',' + y_05 + ' ' + width + ',' + height;
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pt_15 += ' ' + width + ',' + y_15 + ' ' + width + ',' + height;
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line_01.setAttribute('points', pt_01);
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line_05.setAttribute('points', pt_05);
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line_15.setAttribute('points', pt_15);
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label_25.firstChild.data = (1.1 * 0.25 * data_max / 100).toFixed(2);
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label_50.firstChild.data = (1.1 * 0.50 * data_max / 100).toFixed(2);
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label_75.firstChild.data = (1.1 * 0.75 * data_max / 100).toFixed(2);
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label_01_cur.innerHTML = (data_01[data_01.length-1] / 100).toFixed(2);
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label_05_cur.innerHTML = (data_05[data_05.length-1] / 100).toFixed(2);
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label_15_cur.innerHTML = (data_15[data_15.length-1] / 100).toFixed(2);
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label_01_avg.innerHTML = (data_01_avg / 100).toFixed(2);
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label_05_avg.innerHTML = (data_05_avg / 100).toFixed(2);
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label_15_avg.innerHTML = (data_15_avg / 100).toFixed(2);
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label_01_peak.innerHTML = (data_01_peak / 100).toFixed(2);
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label_05_peak.innerHTML = (data_05_peak / 100).toFixed(2);
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label_15_peak.innerHTML = (data_15_peak / 100).toFixed(2);
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}
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);
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}
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}, 1000
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);
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//]]></script>
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<h2 name="content"><%:Realtime Load%></h2>
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<embed id="bwsvg" style="width:100%; height:300px; border:1px solid #000000; background-color:#FFFFFF" src="<%=resource%>/load.svg" />
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<div style="text-align:right"><small id="scale">-</small></div>
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<br />
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<table style="width:100%; table-layout:fixed" cellspacing="5">
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<tr>
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<td style="text-align:right; vertical-align:top"><strong style="border-bottom:2px solid #ff0000; white-space:nowrap"><%:1 Minute Load:%></strong></td>
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<td id="lb_load01_cur">0</td>
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<td style="text-align:right; vertical-align:top"><strong><%:Average:%></strong></td>
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<td id="lb_load01_avg">0</td>
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<td style="text-align:right; vertical-align:top"><strong><%:Peak:%></strong></td>
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<td id="lb_load01_peak">0</td>
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</tr>
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<tr>
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<td style="text-align:right; vertical-align:top"><strong style="border-bottom:2px solid #ff6600; white-space:nowrap"><%:5 Minute Load:%></strong></td>
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<td id="lb_load05_cur">0</td>
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<td style="text-align:right; vertical-align:top"><strong><%:Average:%></strong></td>
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<td id="lb_load05_avg">0</td>
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<td style="text-align:right; vertical-align:top"><strong><%:Peak:%></strong></td>
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<td id="lb_load05_peak">0</td>
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</tr>
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<tr>
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<td style="text-align:right; vertical-align:top"><strong style="border-bottom:2px solid #ffaa00; white-space:nowrap"><%:15 Minute Load:%></strong></td>
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<td id="lb_load15_cur">0</td>
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<td style="text-align:right; vertical-align:top"><strong><%:Average:%></strong></td>
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<td id="lb_load15_avg">0</td>
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<td style="text-align:right; vertical-align:top"><strong><%:Peak:%></strong></td>
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<td id="lb_load15_peak">0</td>
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</tr>
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</table>
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<%+footer%>
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