/**
 * frootySearch changes your standard Search input field into somewhat elegant looking
 * @license    GPL 2 (http://www.gnu.org/licenses/gpl.html)
 * @author     i-net software <tools@inetsoftware.de>
 * @author     Gerry Weißbach <gweissbach@inetsoftware.de>
 */
var frootySearch__searchDecorator = function() {

									var searchField = $('qsearch__in');
									if ( !searchField ) { return; }
									var searchButton = searchField.nextSibling;
									if ( typeof(searchField) == 'undefined' || searchField === null ) {return;}
									if (	searchButton && searchButton.nodeName == 'input' &&
											searchButton.className == 'button' ) {
											searchButton.style.display = 'none';
									}

									searchField.setAttribute('autocomplete', 'off');

									// Get the Submitbutton
									var button = null;
									var tmp = searchField.parentNode.firstChild;
									while( tmp && !button ) {
										if ( frootySearch__hasClassName(tmp, 'button') ) {
											button = tmp;
											continue;
										}

										tmp = tmp.nextSibling;
									}
									
									if ( !button ) { return; }

									var label = document.createElement('label');
									label.setAttribute('for', searchField.id);
									searchField.parentNode.insertBefore(label, searchField);
									label.appendChild(searchField);

									var placeholder = button.value.split('\n')[0];
									button.parentNode.removeChild(button);
									button = null;

									var standIn = null;
									if(is_safari) {

										searchField.setAttribute('type', 'search');

										searchField.setAttribute('autosave', 'off');
										searchField.setAttribute('placeholder', placeholder);
										searchField.setAttribute('results', 0);
									} else {
										standIn = document.createElement("input");
										var left = document.createElement("div");
										frootySearch__addClassName(left, "left");
										var right = document.createElement("div");
										frootySearch__addClassName(right, "right");
										var reset = document.createElement("div");
										frootySearch__addClassName(reset, "reset");
										reset.setAttribute('title', 'Reset');
										var wrapper = document.createElement("div");
										frootySearch__addClassName(wrapper, "frootySearch");
										var alreadyHasplaceholder = searchField.value == placeholder;
										var isEmpty = searchField.value.length == 0;
										if (alreadyHasplaceholder || isEmpty) {
											searchField.value = placeholder;
											frootySearch__addClassName(wrapper, "blurred");
											frootySearch__addClassName(wrapper, "empty");
										}
										
										searchField.parentNode.replaceChild(standIn, searchField);
										wrapper.appendChild(left);
										left.appendChild(searchField);
										left.appendChild(right);
										left.appendChild(reset);
										
										var focus = function () {var blurred = frootySearch__hasClassName(wrapper, "blurred");if (searchField.value == placeholder && blurred) {searchField.value = "";}frootySearch__removeClassName(wrapper, "blurred");};
										addEvent(searchField, "focus", focus);
										var blur = function () {if (searchField.value == "") {frootySearch__addClassName(wrapper, "empty");searchField.value = placeholder;}frootySearch__addClassName(wrapper, "blurred");};
										addEvent(searchField, "blur", blur);
										var toggleReset = function () {if (searchField.value.length >= 0) {frootySearch__removeClassName(wrapper, "empty");}};
										addEvent(searchField, "keydown", toggleReset);
										var resetField = function () {return function (evt) {var escaped = false;if (evt.type == "keydown") {if (evt.keyCode != 27) {return;} else {escaped = true;}}searchField.blur();searchField.value = "";frootySearch__addClassName(wrapper, "empty");if ($('qsearch__out'))$('qsearch__out').style.display='none';searchField.focus();};};
										addEvent(reset, "mousedown", resetField());
										addEvent(searchField, "keydown", resetField());
										if (standIn) {
											standIn.parentNode.replaceChild(wrapper, standIn);
										}
									}
};

/* Function taken from prototype library */
var frootySearch__addClassName = function(element, className) {
	if (!(element = $(element))) return;
	if (!frootySearch__hasClassName(element, className))
		element.className += (element.className ? ' ' : '') + className;
	return element;
};

/* Function taken from prototype library */
var frootySearch__hasClassName = function(element, className) {
	if (!(element = $(element))) return;
	var elementClassName = element.className;
	return (elementClassName.length > 0 && (elementClassName == className ||
		new RegExp("(^|\\s)" + className + "(\\s|$)").test(elementClassName)));
};

/* Function taken from prototype library */
var frootySearch__removeClassName = function(element, className) {
	if (!(element = $(element))) return;
	/* reimplementation of replace ... */
	element.className = String(element.className).replace(new RegExp("(^|\\s+)" + className + "(\\s+|$)"), ' ').replace(/^\s+/, '').replace(/\s+$/, '');
	return element;
};

addInitEvent(frootySearch__searchDecorator);