// checks web browser information

var user_agent      = navigator.userAgent.toLowerCase();

var app_version     = navigator.appVersion.toLowerCase();

var is_ie           = 0;

var is_firefox      = 0;

var is_safari       = 0;

var is_other        = 0;

var browser_version = 0;

var browser_name    = '';

if(user_agent.indexOf('msie') != -1){

	is_ie = 1;

	browser_version = parseFloat(app_version.split("msie")[1]);

	browser_name = 'ie';

} else if(user_agent.indexOf('firefox') != -1){

	is_firefox = 1;

	browser_name = 'firefox';

} else if(user_agent.indexOf('safari') != -1){

	is_safari = 1;

	browser_name = 'safari';

} else {

	is_other = 1;

}

if(!is_ie && browser_name){

	browser_version = parseFloat(user_agent.split(browser_name + "/")[1])

}



// popup window function

function newwin(url, w, h, wn){

	var win_features = "status=0,scrollbars=1,resizable=1,toolbar=0,location=0,";

	if(!wn) wn = "Find Local Agents - Popup";

	if(!w)  w  = screen.width - 200;

	if(!h)  h  = screen.height - 200;

	var newwindow = window.open(url, wn, win_features + "width=" + w + ",height=" + h);

	newwindow.focus();

}



// trim extra white spaces

function trimWS(s){

	s = s.replace(/^\s*/, "");

	return s.replace(/\s*$/, "");

}



// strip out special characters

function stripSpecialChars(data){

	return data.replace(/[\.,]/g, "");

}



//  remove spaces and change the casing to all uppercase

function changeCase(data){

	return data.replace(/\s/g, "").toUpperCase();

}



// check if variable is "undefined"

function isUndefined(variable){

	if(typeof(variable) == undefined || typeof(variable) == "undefined" || variable == NaN) return true;

	else false;

}



// check if object is "null"

function isNull(obj){

	return (obj == null);

}



// check if object is "undefined" or "null"

function isUndefinedNull(obj){

	return (isUndefined(obj) || isNull(obj));

}



// parse object for particular tag

function parseForTagName(tName, oArray, bFindFirst){

	var bFindFirst = (bFindFirst == null) ? false : bFindFirst;

	var bItemFound = false;

	var tmpArray = new Array();

	var loopObject = function(_tName, _oArray){

		for(var x in _oArray){

			if(x == _tName){

				tmpArray.push(_oArray[x]);

				bItemFound = true;

			}

			if(typeof(_oArray[x]) == 'object'){

				if(!bFindFirst || (bFindFirst && !bItemFound)) loopObject(_tName, _oArray[x]);

			}

		}

	}

	loopObject(tName, oArray);

	if(!bItemFound) return null;

	else if(tmpArray.length == 1) return tmpArray[0];

	else return tmpArray;

}



// create custom event listener

function addCustomLoadFunction(event_name, function_name){

	if(window.addEventListener){

		window.addEventListener(event_name, function_name, false);

	} else if(window.attachEvent){

		//ie browser

		window.attachEvent("on" + event_name, function_name);

	}

}



// create AJAX request object

function makeAjaxRequest(){

	try{

		request = new XMLHttpRequest();

	} catch (tryMS){

		try {

			request = new ActiveXObject("Msxml2.XMLHTTP");

		} catch (otherMS){

			try {

				request = new ActiveXObject("Microsoft.XMLHTTP");

			} catch (failed){

				request = null;

			}

		}

	}

	return request;

}



var RecaptchaOptions = {theme:'clean'};




function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function eraseCookie(name) {
	createCookie(name,"",-1);
}

function checkUrl() {
	var landing_url = location.href;
	var url_from_paid_search = landing_url.indexOf('kw=');
	if (url_from_paid_search == -1) {
		//alert("the url doesn't have kw!");		
	} else {
		//alert("the url has kw!");
		createCookie('landing_search_url', landing_url);
	}
}

function textLimit(field, maxlen) {
	if (field.value.length > maxlen + 1)
	//alert('your input has been truncated!');
	if (field.value.length > maxlen)
	field.value = field.value.substring(0, maxlen);
}