form_utils.js
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	/**
	* $Id: form_utils.js 1184 2009-08-11 11:47:27Z spocke $
	*
	* Various form utilitiy functions.
	*
	* @author Moxiecode
	* @copyright Copyright ｩ 2004-2008, Moxiecode Systems AB, All rights reserved.
	*/

	var themeBaseURL = tinyMCEPopup.editor.baseURI.toAbsolute('themes/' + tinyMCEPopup.getParam("theme"));

	function getColorPickerHTML(id, target_form_element) {
	var h = "";

	h += '<a id="' + id + '_link" href="javascript:;" onclick="tinyMCEPopup.pickColor(event,\'' + target_form_element +'\');" onmousedown="return false;" class="pickcolor">';
	h += '<span id="' + id + '" title="' + tinyMCEPopup.getLang('browse') + '"> </span></a>';

	return h;
	}

	function updateColor(img_id, form_element_id) {
	document.getElementById(img_id).style.backgroundColor = document.forms[0].elements[form_element_id].value;
	}

	function setBrowserDisabled(id, state) {
	var img = document.getElementById(id);
	var lnk = document.getElementById(id + "_link");

	if (lnk) {
	if (state) {
	lnk.setAttribute("realhref", lnk.getAttribute("href"));
	lnk.removeAttribute("href");
	tinyMCEPopup.dom.addClass(img, 'disabled');
	} else {
	if (lnk.getAttribute("realhref"))
	lnk.setAttribute("href", lnk.getAttribute("realhref"));

	tinyMCEPopup.dom.removeClass(img, 'disabled');
	}
	}
	}

	function getBrowserHTML(id, target_form_element, type, prefix) {
	var option = prefix + "_" + type + "_browser_callback", cb, html;

	cb = tinyMCEPopup.getParam(option, tinyMCEPopup.getParam("file_browser_callback"));

	if (!cb)
	return "";

	html = "";
	html += '<a id="' + id + '_link" href="javascript:openBrowser(\'' + id + '\',\'' + target_form_element + '\', \'' + type + '\',\'' + option + '\');" onmousedown="return false;" class="browse">';
	html += '<span id="' + id + '" title="' + tinyMCEPopup.getLang('browse') + '"> </span></a>';

	return html;
	}

	function openBrowser(img_id, target_form_element, type, option) {
	var img = document.getElementById(img_id);

	if (img.className != "mceButtonDisabled")
	tinyMCEPopup.openBrowser(target_form_element, type, option);
	}

	function selectByValue(form_obj, field_name, value, add_custom, ignore_case) {
	if (!form_obj \|\| !form_obj.elements[field_name])
	return;

	var sel = form_obj.elements[field_name];

	var found = false;
	for (var i=0; i<sel.options.length; i++) {
	var option = sel.options[i];

	if (option.value == value \|\| (ignore_case && option.value.toLowerCase() == value.toLowerCase())) {
	option.selected = true;
	found = true;
	} else
	option.selected = false;
	}

	if (!found && add_custom && value != '') {
	var option = new Option(value, value);
	option.selected = true;
	sel.options[sel.options.length] = option;
	sel.selectedIndex = sel.options.length - 1;
	}

	return found;
	}

	function getSelectValue(form_obj, field_name) {
	var elm = form_obj.elements[field_name];

	if (elm == null \|\| elm.options == null \|\| elm.selectedIndex === -1)
	return "";

	return elm.options[elm.selectedIndex].value;
	}

	function addSelectValue(form_obj, field_name, name, value) {
	var s = form_obj.elements[field_name];
	var o = new Option(name, value);
	s.options[s.options.length] = o;
	}

	function addClassesToList(list_id, specific_option) {
	// Setup class droplist
	var styleSelectElm = document.getElementById(list_id);
	var styles = tinyMCEPopup.getParam('theme_advanced_styles', false);
	styles = tinyMCEPopup.getParam(specific_option, styles);

	if (styles) {
	var stylesAr = styles.split(';');

	for (var i=0; i<stylesAr.length; i++) {
	if (stylesAr != "") {
	var key, value;

	key = stylesAr[i].split('=')[0];
	value = stylesAr[i].split('=')[1];

	styleSelectElm.options[styleSelectElm.length] = new Option(key, value);
	}
	}
	} else {
	tinymce.each(tinyMCEPopup.editor.dom.getClasses(), function(o) {
	styleSelectElm.options[styleSelectElm.length] = new Option(o.title \|\| o['class'], o['class']);
	});
	}
	}

	function isVisible(element_id) {
	var elm = document.getElementById(element_id);

	return elm && elm.style.display != "none";
	}

	function convertRGBToHex(col) {
	var re = new RegExp("rgb\\s\$\\s([0-9]+).,\\s([0-9]+).,\\s([0-9]+).*\$", "gi");

	var rgb = col.replace(re, "$1,$2,$3").split(',');
	if (rgb.length == 3) {
	r = parseInt(rgb[0]).toString(16);
	g = parseInt(rgb[1]).toString(16);
	b = parseInt(rgb[2]).toString(16);

	r = r.length == 1 ? '0' + r : r;
	g = g.length == 1 ? '0' + g : g;
	b = b.length == 1 ? '0' + b : b;

	return "#" + r + g + b;
	}

	return col;
	}

	function convertHexToRGB(col) {
	if (col.indexOf('#') != -1) {
	col = col.replace(new RegExp('[^0-9A-F]', 'gi'), '');

	r = parseInt(col.substring(0, 2), 16);
	g = parseInt(col.substring(2, 4), 16);
	b = parseInt(col.substring(4, 6), 16);

	return "rgb(" + r + "," + g + "," + b + ")";
	}

	return col;
	}

	function trimSize(size) {
	return size.replace(/([0-9\.]+)px\|(%\|in\|cm\|mm\|em\|ex\|pt\|pc)/, '$1$2');
	}

	function getCSSSize(size) {
	size = trimSize(size);

	if (size == "")
	return "";

	// Add px
	if (/^[0-9]+$/.test(size))
	size += 'px';

	return size;
	}

	function getStyle(elm, attrib, style) {
	var val = tinyMCEPopup.dom.getAttrib(elm, attrib);

	if (val != '')
	return '' + val;

	if (typeof(style) == 'undefined')
	style = attrib;

	return tinyMCEPopup.dom.getStyle(elm, style);
	}

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