/**
 * This file is part of the Agora distribution. 
 * Detailed copyright and licensing information can be found
 * in the gpl-3.0.txt file which should be included in the distribution.
 * 
 * @version		$Id: 3.0.14 Olympus 2010-09-28 rammstein4o $
 * @copyright  2007 - 2010 jVitals
 * @license   GPLv3 Open Source
 * @link       http://jvitals.com
 * @since      File available since initial release
 */

function resize_message(dy)
{
    msgfield = (document.all) ? document.all.req_message : document.forms['post']['req_message'];
    var box = msgfield;
    var cur_height = parseInt( box.style.height ) ? parseInt( box.style.height ) : 100;
    var new_height = cur_height + dy;
    if (new_height > 100)
    {
        box.style.height = new_height + "px";
    }
    else
        box.style.height = "100px";
    return false;
}

function insert_text(open, close) {
	msgfield = (document.all) ? document.all.req_message : document.forms['post']['req_message'];
	
	// IE support
	if (document.selection && document.selection.createRange) {
		
		var scroll = $('req_message').scrollTop;
		msgfield.focus();
		sel = document.selection.createRange();
		sel.text = open + sel.text + close;
		msgfield.focus();
		$('req_message').scrollTop = scroll;
		
	// Moz support
	} else if (msgfield.selectionStart || msgfield.selectionStart == '0') {
		
		var scroll = $('req_message').scrollTop;
		var startPos = msgfield.selectionStart;
		var endPos = msgfield.selectionEnd;
		msgfield.value = msgfield.value.substring(0, startPos) + open + msgfield.value.substring(startPos, endPos) + close + msgfield.value.substring(endPos, msgfield.value.length);
		msgfield.selectionStart = msgfield.selectionEnd = endPos + open.length + close.length;
		msgfield.focus();
		$('req_message').scrollTop = scroll;
		
	// Fallback support for other browsers
	} else {
		msgfield.value += open + close;
		msgfield.focus();
	}
	
	return;
}

function toggleDisplay(divId) {
	var div = document.getElementById(divId);
	div.style.display = (div.style.display=="block" ? "none" : "block");
}

// The counter of symbols of fields of the form 
function textCount(field,counterfield,max) {
	
	if (field.value.length > max) {
		// if too long...trim it!
		field.value = field.value.substring(0, max);
	} else {
		counterfield.value = max - field.value.length;
	}
	
}