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<?php
require_once"../template/start.php";
require_once"../template/regglobals.php";
require_once"../template/config.php";
require_once"../template/functions.php";
require_once"../template/antidos.php";
require_once"../template/cookies.php";
require_once"../template/gzip.php";
require_once"../template/header.php";
require_once"../template/referer.php";
include_once"../themes/$config_themes/index.php";
include_once"../template/isset.php";
echo '
<SCRIPT LANGUAGE="JavaScript">
<!-- Original: Abraham I. ([email protected]) -->
<!-- This script and many more are available free online at -->
<!-- The JavaScript Source!! http://javascript.internet.com -->
<!-- Begin
function calculate() {
var y = new Array();
y[0] = null;
y[1] = document.calculator.y1.value;
y[2] = document.calculator.y2.value;
var x = new Array();
x[0] = null;
x[1] = document.calculator.x1.value;
x[2] = document.calculator.x2.value;
var m = (y[2] - y[1]) / (x[2] - x[1]);
var b = y[1]-(m * x[1]);
var formula = "y="+m+"x + "+b;
var rand = parseInt(Math.random() * 7);
var parf = "y="+m+"x + "+rand;
var newm = m / -1;
var perf = "y="+newm+"x + "+b;
document.calculator.formula.value = formula;
document.calculator.slope.value = m;
document.calculator.yint.value = b;
document.calculator.parf.value = parf;
document.calculator.perf.value = perf;
}
// End -->
</script>
<BODY>
<form name="calculator">
Введите координаты линии (2х точек):
<table border=0 bgcolor="#CCCCCC">
<tr>
<td>X1:</td>
<td><input type=text name=x1 size=10></td>
</tr>
<tr>
<td>Y1:</td>
<td><input type=text name=y1 size=10></td>
</tr>
<tr>
<td>X2:</td>
<td><input type=text name=x2 size=10></td>
</tr>
<tr>
<td>Y2:</td>
<td><input type=text name=y2 size=10>
<input type=button value="Получить результаты" onClick="calculate();"></td>
</tr>
<tr>
<td bgcolor="#E6E6E6">Формула линии:</td>
<td bgcolor="#E6E6E6"><input type=text name=formula size=50></td>
</tr>
<tr>
<td bgcolor="#E6E6E6">Наклон:</td>
<td bgcolor="#E6E6E6"><input type=text name=slope size=50></td>
</tr>
<tr>
<td bgcolor="#E6E6E6">Точка пересечения оси Y:</td>
<td bgcolor="#E6E6E6"><input type=text name=yint size=50></td>
</tr>
<tr>
<td bgcolor="#E6E6E6">Формула параллельной линии:</td>
<td bgcolor="#E6E6E6"><input type=text name=parf size=50></td>
</tr>
<tr>
<td bgcolor="#E6E6E6">Формула перпендикулярной линии:</td>
<td bgcolor="#E6E6E6"><input type=text name=perf size=50></td>
</tr>
</table>
</form> </BODY> ';
echo '<hr><img src="../images/img/homepage.gif" alt=""> <a href="../index.php?'.SID.'">На главную</a>';
include_once "../themes/$config_themes/foot.php";
?>