function init() {

	tinyMCEPopup.resizeToInnerSize();

	// start with appropiate tab

	var task = (tinyMCE.getWindowArg("replacestring") != null) ? "replace" : "search";

	mcTabs.displayTab(task + '_tab', task +'_panel');

	manageReplaceButtons();

	var formObj = document.forms[0];

	formObj[task + "_panel_searchstring"].value = tinyMCE.getWindowArg("searchstring");

	formObj["replace_panel_replacestring"].value = (tinyMCE.getWindowArg("replacestring") != null) ? tinyMCE.getWindowArg("replacestring") : "";

	formObj[task + "_panel_casesensitivebox"].checked = tinyMCE.getWindowArg("casesensitive");

	formObj[task + "_panel_backwardsu"].checked = tinyMCE.getWindowArg("backwards");

	formObj[task + "_panel_backwardsd"].checked = !tinyMCE.getWindowArg("backwards");

}

function searchNext(replacemode) {

	// "search" or "replace" mode of operation?

	var task = (document.getElementById("search_tab").className == "current") ? "search" : "replace";

	var formObj = document.forms[0];

	if (task == "replace") {

		// Whats the point?

		if (formObj[task + "_panel_searchstring"].value == "" || formObj[task + "_panel_searchstring"].value == formObj[task + "_panel_replacestring"].value)

			return false;

	}

	// Do search

	tinyMCEPopup.execCommand('mceSearch', false, { 

		string : formObj[task + "_panel_searchstring"].value,

		replacestring : formObj["replace_panel_replacestring"].value,

		replacemode : replacemode,

		casesensitive : formObj[task + "_panel_casesensitivebox"].checked,

		backwards : formObj[task + "_panel_backwardsu"].checked,

		win : window

		}, false);

	window.focus();

	return false;

}

function cancelAction() {

	tinyMCEPopup.close();

}

function manageReplaceButtons() {

	// "search" or "replace" mode of operation?

	var task = (document.getElementById("search_tab").className == "current") ? "search" : "replace";

	document.getElementById("replace_buttons").style.visibility = (task == "replace") ? "visible" : "hidden";

}

function copyValues(link) {

	// check if tab is already active

	var tab = link;

	while (tab.tagName && tab.tagName.toLowerCase() != "li") tab = tab.parentNode;

	if (tab.className) return false; // tab is already active -> no need to copy any values!

	// copy values from one panel to the other (if they exist there)

	var from_panel_name = tab.id.match(/^search/i) ? "replace_panel" : "search_panel";

	var to_panel_name = (from_panel_name == "search_panel") ? "replace_panel" : "search_panel";

	// find all elements with IDs to copy their values

	var elms = document.getElementById(from_panel_name).getElementsByTagName("*");

	for (var i = 0; i < elms.length; i++) {

		if (elms[i].id && elms[i].id != "") {

			var checked = "undefined";

			if (elms[i].type.toLowerCase() == "checkbox" || elms[i].type.toLowerCase() == "radio")

				checked = elms[i].checked;

			// copy values if element exists in other panel

			var to_elm_name = to_panel_name + elms[i].id.substring(from_panel_name.length, elms[i].id.length);

			var to_elm = document.getElementById(to_elm_name);

			if (to_elm) {

				if (checked != "undefined")

					to_elm.checked = checked;

				else

					to_elm.value = elms[i].value;

			}

		}

	}

	return false;

}