In this code snippet i will show you how you can click a button after an input field wich creates a popup. This popup is actually a plain html page where you can enter data into a textarea. When the user is done editing text in the textarea, he can hit the save button and [...]

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You can use this javascript function to resize the height of your iframe depending on the size of your parent page.
PLAIN TEXT
JAVASCRIPT:

<script language="JavaScript">

function iFrameHeight() {

if(document.getElementById &amp;&amp; !(document.all)) {

h = document.getElementById('main').contentDocument.body.scrollHeight;

document.getElementById('main').style.height = h + 100;

}

else if(document.all) {

h = document.frames('main').document.body.scrollHeight;

document.all.main.style.height = h + 100;

}

}

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If you want to limit the number of characters people can type in a textarea object. U should use a javascript because there is no such "maxlength" attribite as with a "normal" textbox.In the code below i use a small textbox (txtCounter) near the textarea to show the remaining characters.
Paste this code in the tag [...]

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Javascript just offers a simple alert box without any customisation. With the code below u can call a VBscript function from javascript witch makes it possible to create your own alert box with or without an icon.
Javascript function
NS4 = (document.layers);
IE4 = (document.all);
ver4 = (NS4 || IE4);
function newAlert(title,mess,icon,mods) {
(IE4) ? makeMsgBox(title,mess,icon,0,0,mods) : alert(mess);
}
VBScript function

Function makeMsgBox(tit,mess,icons,buts,defs,mods)
butVal = [...]

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