// browser detect script
browserDetect = {
	matchGroups: [
		[
			{uaString:'win', className:'win'},
			{uaString:'mac', className:'mac'},
			{uaString:['linux','x11'], className:'linux'}
		],
		[
			{uaString:'msie', className:'trident'},
			{uaString:'applewebkit', className:'webkit'},
			{uaString:'gecko', className:'gecko'},
			{uaString:'opera', className:'presto'}
		],
		[
			{uaString:'msie 9.0', className:'ie9'},
			{uaString:'msie 8.0', className:'ie8'},
			{uaString:'msie 7.0', className:'ie7'},
			{uaString:'msie 6.0', className:'ie6'},
			{uaString:'firefox/2', className:'ff2'},
			{uaString:'firefox/3', className:'ff3'},
			{uaString:'firefox/4', className:'ff4'},
			{uaString:['opera','version/11'], className:'opera11'},
			{uaString:['opera','version/10'], className:'opera10'},
			{uaString:'opera/9', className:'opera9'},
			{uaString:['safari','version/3'], className:'safari3'},
			{uaString:['safari','version/4'], className:'safari4'},
			{uaString:['safari','version/5'], className:'safari5'},
			{uaString:'chrome', className:'chrome'},
			{uaString:'safari', className:'safari2'},
			{uaString:'unknown', className:'unknown'}
		]
	],
	init: function() {
		this.detect();
		return this;
	},
	addClass: function(className) {
		this.pageHolder = document.documentElement;
		document.documentElement.className += ' '+className;
	},
	detect: function() {
		for(var i = 0, curGroup; i < this.matchGroups.length; i++) {
			curGroup = this.matchGroups[i];
			for(var j = 0, curItem; j < curGroup.length; j++) {
				curItem = curGroup[j];
				if(typeof curItem.uaString === 'string') {
					if(this.uaMatch(curItem.uaString)) {
						this.addClass(curItem.className);
						break;
					}
				} else {
					for(var k = 0, allMatch = true; k < curItem.uaString.length; k++) {
						if(!this.uaMatch(curItem.uaString[k])) {
							allMatch = false;
							break;
						}
					}
					if(allMatch) {
						this.addClass(curItem.className);
						break;
					}
				}
			}
		}
	},
	uaMatch: function(s) {
		if(!this.ua) {
			this.ua = navigator.userAgent.toLowerCase();
		}
		return this.ua.indexOf(s) != -1;
	}
}.init();

function initPage()
{
	clearFormFields({
		clearInputs: true,
		clearTextareas: true,
		passwordFieldText: true,
		addClassFocus: "focus",
		filterClass: "default"
	});
}
function clearFormFields(o)
{
	if (o.clearInputs == null) o.clearInputs = true;
	if (o.clearTextareas == null) o.clearTextareas = true;
	if (o.passwordFieldText == null) o.passwordFieldText = false;
	if (o.addClassFocus == null) o.addClassFocus = false;
	if (!o.filterClass) o.filterClass = "default";
	if(o.clearInputs) {
		var inputs = document.getElementsByTagName("input");
		for (var i = 0; i < inputs.length; i++ ) {
			if((inputs[i].type == "text" || inputs[i].type == "password") && inputs[i].className.indexOf(o.filterClass) == -1) {
				inputs[i].valueHtml = inputs[i].value;
				inputs[i].onfocus = function ()	{
					if(this.valueHtml == this.value) this.value = "";
					if(this.fake) {
						inputsSwap(this, this.previousSibling);
						this.previousSibling.focus();
					}
					if(o.addClassFocus && !this.fake) {
						this.className += " " + o.addClassFocus;
						this.parentNode.className += " parent-" + o.addClassFocus;
					}
				}
				inputs[i].onblur = function () {
					if(this.value == "") {
						this.value = this.valueHtml;
						if(o.passwordFieldText && this.type == "password") inputsSwap(this, this.nextSibling);
					}
					if(o.addClassFocus) {
						this.className = this.className.replace(o.addClassFocus, "");
						this.parentNode.className = this.parentNode.className.replace("parent-"+o.addClassFocus, "");
					}
				}
				if(o.passwordFieldText && inputs[i].type == "password") {
					var fakeInput = document.createElement("input");
					fakeInput.type = "text";
					fakeInput.value = inputs[i].value;
					fakeInput.className = inputs[i].className;
					fakeInput.fake = true;
					inputs[i].parentNode.insertBefore(fakeInput, inputs[i].nextSibling);
					inputsSwap(inputs[i], null);
				}
			}
		}
	}
	if(o.clearTextareas) {
		var textareas = document.getElementsByTagName("textarea");
		for(var i=0; i<textareas.length; i++) {
			if(textareas[i].className.indexOf(o.filterClass) == -1) {
				textareas[i].valueHtml = textareas[i].value;
				textareas[i].onfocus = function() {
					if(this.value == this.valueHtml) this.value = "";
					if(o.addClassFocus) {
						this.className += " " + o.addClassFocus;
						this.parentNode.className += " parent-" + o.addClassFocus;
					}
				}
				textareas[i].onblur = function() {
					if(this.value == "") this.value = this.valueHtml;
					if(o.addClassFocus) {
						this.className = this.className.replace(o.addClassFocus, "");
						this.parentNode.className = this.parentNode.className.replace("parent-"+o.addClassFocus, "");
					}
				}
			}
		}
	}
	function inputsSwap(el, el2) {
		if(el) el.style.display = "none";
		if(el2) el2.style.display = "inline";
	}
}
if (window.addEventListener)
	window.addEventListener("load", initPage, false);
else if (window.attachEvent)
	window.attachEvent("onload", initPage);