--- /dev/null
+<!DOCTYPE html>
+<html><head>
+<title>screen test</title>
+<script type="text/javascript" src="screen.js"></script>
+<link rel="stylesheet" type="text/css" href="screen.css" />
+</head>
+<body>
+<style>
+#content {
+ width: 100%;
+ height: 100%;
+}
+.row {
+ height: 20px;
+ width: 100%;
+}
+.column {
+ height: 20%;
+ width: 20px;
+}
+</style>
+<table id="content">
+<tr class="row row1">
+<td class="column column1 cell" id="cell11"> </td>
+<td class="column column2 cell" id="cell12"> </td>
+<td class="column column3 cell" id="cell13"> </td>
+<td class="column column4 cell" id="cell14"> </td>
+<td class="column column5 cell" id="cell15"> </td>
+</tr>
+<tr class="row row2">
+<td class="column column1 cell" id="cell21"> </td>
+<td class="column column2 cell" id="cell22"> </td>
+<td class="column column3 cell" id="cell23"> </td>
+<td class="column column4 cell" id="cell24"> </td>
+<td class="column column5 cell" id="cell25"> </td>
+</tr>
+<tr class="row row3">
+<td class="column column1 cell" id="cell31"> </td>
+<td class="column column2 cell" id="cell32"> </td>
+<td class="column column3 cell" id="cell33"> </td>
+<td class="column column4 cell" id="cell34"> </td>
+<td class="column column5 cell" id="cell35"> </td>
+</tr>
+<tr class="row row4">
+<td class="column column1 cell" id="cell41"> </td>
+<td class="column column2 cell" id="cell42"> </td>
+<td class="column column3 cell" id="cell43"> </td>
+<td class="column column4 cell" id="cell44"> </td>
+<td class="column column5 cell" id="cell45"> </td>
+</tr>
+<tr class="row row5">
+<td class="column column1 cell" id="cell51"> </td>
+<td class="column column2 cell" id="cell52"> </td>
+<td class="column column3 cell" id="cell53"> </td>
+<td class="column column4 cell" id="cell54"> </td>
+<td class="column column5 cell" id="cell55"> </td>
+</tr>
+</table>
+<script>
+var initialColor = 0x0F0F0F;
+var stepColor = 1000;
+var cnt = 1;
+for (var i = 1; i < 6; i++) {
+ for (var j = 1; j < 6; j++) {
+ el = document.getElementById('cell' + i + '' + j);
+ el.style.backgroundColor = toColor(initialColor + (cnt * stepColor));
+ cnt++;
+ }
+}
+</script>
+</body>
+</html>
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