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как да направя така че примерно измирам от <select> нещо си там и като го натисна отдолу да се появява текстареа с текст вътре .. нещо по динамично искам да е 
Follow along with the video below to see how to install our site as a web app on your home screen.
Бележка: This feature may not be available in some browsers.
<select onChange='toTextarea(this.value);'>
<option value='1'>1</option>
<option value='2'>2</option>
<option value='3'>3</option>
<option value='4'>4</option>
<option value='5'>5</option>
</select><br />
<textarea id='text' style='width: 400px; height: 250px'></textarea>
function toTextarea(what) {
document.getElementById("text").innerHTML = what;
}
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title></title>
<script type='Text/JavaScript'>
function toTextarea(what) {
document.getElementById("text").innerHTML = "<textarea id='text' style='width: 400px; height: 250px'>" + what + "</textarea>";
}
</script>
</head>
<body>
<select onChange='toTextarea(this.value);'>
<option value='1'>1</option>
<option value='2'>2</option>
<option value='3'>3</option>
<option value='4'>4</option>
<option value='5'>5</option>
</select><br />
<div id='text'></div>
</body>
</html>
<html>
<head>
<title></title>
<style type="text/css">
#myField {
background : #ff0000 ;
filter: alpha(opacity=0);
opacity: .0;
color:#ffffff;
}
</style>
<script type="text/javascript">
function showMe()
{
var myNum = document.getElementById('mySelect').value;
change();
var myTextArea = document.getElementById('myField');
myTextArea.value = myNum;
}
function change() {
var pole = document.getElementById('myField');
if (navigator.appName.indexOf("Netscape") != -1 && parseInt(navigator.appVersion) >= 5) {
var opacity = pole.style.MozOpacity;
if (opacity != "")
opacity = parseFloat(opacity);
if (opacity < 1)
opacity += 0.1;
pole.style.MozOpacity = opacity;
} else if (navigator.appName.indexOf("Microsoft") != -1 && parseInt(navigator.appVersion) >= 4 ) {
pole.filters.alpha.opacity += 10;
}
else {
pole.style.opacity = pole.style.opacity-0+0.1;
}
window.setTimeout("change()", 40);
}
</script>
</head>
<body>
<select onchange="showMe()" id="mySelect">
<option value="1">1</option>
<option value="2">2</option>
<option value="3">3</option>
<option value="4">4</option>
<option value="5">5</option>
</select>
<textarea id="myField" cols="30" rows="10">This is created by Emagi</textarea><br />
</body>
</html>
<html>
<head>
<title></title>
<style type="text/css">
#myField {
background : #ff0000 ;
filter: alpha(opacity=0);
opacity: .0;
color:#ffffff;
}
</style>
</head>
<body>
<select onchange="showMe(this)" id="mySelect">
<option value="1">1</option>
<option value="2">2</option>
<option value="3">3</option>
<option value="4">4</option>
<option value="5">5</option>
</select>
<textarea id="myField" cols="30" rows="10">This is created by Emagi</textarea><br />
<script type="text/javascript">
var pole = document.getElementById('myField');
var op = 0, timer;
pole.setOpacity = function(opacity){
this.style.opacity = (opacity / 100);
this.style.MozOpacity = (opacity / 100);
this.style.KhtmlOpacity = (opacity / 100);
this.style.filter = "alpha(opacity=" + opacity + ")";
}
function showMe(mySelect)
{
var myNum = mySelect.value;
change();
var myTextArea = document.getElementById('myField');
myTextArea.value = myNum;
}
function change()
{
if(op < 100){
op += 10;
pole.setOpacity(op);
timer = window.setTimeout("change()", 40);
}else{
pole.setOpacity(100);
op = 0;
window.clearTimeout(timer);
}
}
</script>
</body>
</html>
<script type="text/javascript">
var width = '468';
var height = '60';
</script>
<script type="text/javascript" src="http://otrova.net/sait/rek1.js"></script>