//------------------------------------------------------------------------------------------------------------------//
// LIMIT TEXTAREA
// Original Author: Ronnie T. Moore (The JavaScript Source)
//
// Last Modification Date: 11/29/2005
// Last Modified By: Wilbert N. Ng (wilbertng@i-manila.com.ph)
//
// Description:
// Limits characters that can be inputted in a specified textarea field. The dynamic character count is
// visible in another specified textfield. Usually used with PHP code to initially total value of length field.
//
// Usage:
// - STEP 1: Include limit_textarea.js inside your page's tag.
// ex:
//
//
// - STEP 2: Modify and place the ff. codes inside your page.
// ex:
// - echo '';
// - $calendar_intro_length = 255 - strlen($calendar_intro);
// - echo '';
//------------------------------------------------------------------------------------------------------------------//
function limitTextarea(field, countfield, maxlimit) {
if (field.value.length > maxlimit) { // if too long...trim it!
field.value = field.value.substring(0, maxlimit);
} else { // otherwise, update 'characters left' counter
countfield.value = maxlimit - field.value.length;
}
}