function ShowNearby() {}
/**
 * ShowNearby Autocomplete
 */
ShowNearby.prototype.autocomplete = function(acObj, acInput, acDiv) {
	
	acInput.keydelay = 500;
	acDiv.onselectcallback = 'onselectcallback';
	
	acInput.populate = function(s) { acInput.value = s.replace(/"/g, '"').replace(/'/g, "'"); keypressed(); }
	acInput.onmouseover = function(e) { show() }
	acDiv.onmouseover = function(e) { show() }
	acInput.onmouseout = function(e) { hide() }
	acDiv.onmouseout = function(e) { hide() }
	function show() {
		acInput.d = false; // hide acDiv
		if (acInput.ta) clearTimeout(acInput.timer); // clear existing timer
		acInput.ta = setTimeout(function() { if (!acInput.d) if (acDiv.innerHTML) jQuery ? $(acDiv).slideDown("fast") : $(acDiv).show(); }, 250);
	}
	function hide() {
		acInput.d = true; // show acDiv
		if (acInput.tb) clearTimeout(acInput.timer); // clear existing timer
		acInput.tb = setTimeout(function() { if (acInput.d) jQuery ? $(acDiv).slideUp("fast") : $(acDiv).hide(); }, 250);
	}
	acInput.onkeydown = function(e) {
		acInput.keycode = window.event ? window.event.keyCode : e.which;
		if (navigator.appName != 'Opera') keypressed();
	}
	acInput.onkeypress = function(e) {
		if (navigator.appName == 'Opera') keypressed();
	}
	function keypressed() {
		switch(acInput.keycode) {
			case 38: // up
				if (typeof(acDiv.results) != 'undefined') {
					acDiv.selected = (acDiv.selected-1 == -1 ? acDiv.results.length-1 : acDiv.selected-1);
					acDiv.onclickli(acDiv.selected);
				}
			break;
			case 40: // down
				if (typeof(acDiv.results) != 'undefined') {
					acDiv.selected = (acDiv.selected+1 == acDiv.results.length ? 0 : acDiv.selected+1);
					acDiv.onclickli(acDiv.selected);
				}
			break;
			default:
				// if keyblocker(a) is true, stop timer
				if (acInput.a) clearTimeout(acInput.a);
				// if callbackblocker(b) is true, set haschanged(c) to true, else callapi()
				acInput.a = setTimeout(function() { acInput.b ? acInput.c=1 : callapi(); }, acInput.keydelay);
			break;
		}
	}
	function callapi() {
		if (acInput.value != acInput.lastvalue && acInput.value != '') {
			acDiv.innerHTML = '<ul><li>Loading...</li></ul>';
			acInput.c=0; // set haschanged(c) to false
			acInput.b=1; // set callbackblocker(b) to true
			ShowNearby.loadPOIs('?q='+encodeURIComponent(acInput.value)+'&callback='+acObj+'.apicallback');
		}
		else {
			acInput.b=0;
		}
	}
	acInput.apicallback = function(response) {
		// if haschanged(c) is true, callapi again!
		if (acInput.c) { 
			callapi();
		} else {
			acInput.b=0; // set callbackblocker(b) to false
			acInput.lastvalue=acInput.value;
			acDiv.results=[];
			var data = JSON.parse(response);
			var html = '';
			if (!response || data.status!=200) {
				acDiv.innerHTML = '<ul><li>No results.</li></ul>';
			} else {
				for (var i=0; i<data.pois.length; i++) {
					acDiv.results[i] = data.pois[i];
					html += '<li onclick="'+acObj+'.acDiv.onclickli('+i+');">'+data.pois[i].name+'</li>';
				}
				acDiv.innerHTML = '<ul>'+html+'</ul>';
				acDiv.onclickli(0);
			}
		}
	}
	acDiv.onclickli = function(index) {
		li = this.getElementsByTagName('li');
		for (var i=0; i<li.length; i++) {
			i == index ? li[i].className = 'highlight' : li[i].className = '';
		}
		acDiv.selected = index;
		if (acDiv.onselectcallback) eval(acDiv.onselectcallback+'(this)');
	}
	acInput.acDiv = acDiv;
	return acInput;
}

/**
 * Dynamic loading of javascript
 */
ShowNearby.prototype.loadPOIs = function(url) {
	var script = document.createElement('script');
	script.type = 'text/javascript';
	script.src = 'http://api.shownearby.com/search/'+url;
	document.getElementsByTagName("head")[0].appendChild(script);
}

/**
 * Parsing xml string to xml object
 */
ShowNearby.prototype.loadXMLString = function(text) {
	var xmlObj;
	try { //Internet Explorer
		xmlObj = new ActiveXObject("Microsoft.XMLDOM");
		xmlObj.async = "false";
		xmlObj.loadXML(text);
	}
	catch (e) {
		try { //Firefox, Mozilla, Opera, etc.
			parser = new DOMParser();
			xmlObj = parser.parseFromString(text,"text/xml");
		}
		catch (e) {
			alert(e.message);
			return;
		}
	}
	return xmlObj;
}

ShowNearby.prototype.strToSlug = function(str) {
	str = str.replace(/&#34;/g, ' ').replace(/&#39;/g, ' ') // replace encoded single and double quotes
	.replace(/[~!@#\$%\^&\*\(\)_\+\{\}\|:"<>\?`\-=\[\]\\;',\.\/]/g, ' ') // replace the following characters ~!@#$%^&*()_+{}|:"<>?`-=[]\;',./
	.replace(/^\s\s*/, '').replace(/\s\s*$/, '') // trim left and right
	.replace(/\s+/g, '-') // collapse whitespaces and replace with hyphen
	.toLowerCase();
	return str;
}

/**
 * JSON Parsing function
 */
if(!this.JSON){JSON={}}(function(){function f(n){return n<10?"0"+n:n}if(typeof Date.prototype.toJSON!=="function"){Date.prototype.toJSON=function(key){return this.getUTCFullYear()+"-"+f(this.getUTCMonth()+1)+"-"+f(this.getUTCDate())+"T"+f(this.getUTCHours())+":"+f(this.getUTCMinutes())+":"+f(this.getUTCSeconds())+"Z"};String.prototype.toJSON=Number.prototype.toJSON=Boolean.prototype.toJSON=function(key){return this.valueOf()}}var cx=/[\u0000\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g,escapable=/[\\\"\x00-\x1f\x7f-\x9f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g,gap,indent,meta={"\b":"\\b","\t":"\\t","\n":"\\n","\f":"\\f","\r":"\\r",'"':'\\"',"\\":"\\\\"},rep;function quote(string){escapable.lastIndex=0;return escapable.test(string)?'"'+string.replace(escapable,function(a){var c=meta[a];return typeof c==="string"?c:"\\u"+("0000"+a.charCodeAt(0).toString(16)).slice(-4)})+'"':'"'+string+'"'}function str(key,holder){var i,k,v,length,mind=gap,partial,value=holder[key];if(value&&typeof value==="object"&&typeof value.toJSON==="function"){value=value.toJSON(key)}if(typeof rep==="function"){value=rep.call(holder,key,value)}switch(typeof value){case"string":return quote(value);case"number":return isFinite(value)?String(value):"null";case"boolean":case"null":return String(value);case"object":if(!value){return"null"}gap+=indent;partial=[];if(Object.prototype.toString.apply(value)==="[object Array]"){length=value.length;for(i=0;i<length;i+=1){partial[i]=str(i,value)||"null"}v=partial.length===0?"[]":gap?"[\n"+gap+partial.join(",\n"+gap)+"\n"+mind+"]":"["+partial.join(",")+"]";gap=mind;return v}if(rep&&typeof rep==="object"){length=rep.length;for(i=0;i<length;i+=1){k=rep[i];if(typeof k==="string"){v=str(k,value);if(v){partial.push(quote(k)+(gap?": ":":")+v)}}}}else{for(k in value){if(Object.hasOwnProperty.call(value,k)){v=str(k,value);if(v){partial.push(quote(k)+(gap?": ":":")+v)}}}}v=partial.length===0?"{}":gap?"{\n"+gap+partial.join(",\n"+gap)+"\n"+mind+"}":"{"+partial.join(",")+"}";gap=mind;return v}}if(typeof JSON.stringify!=="function"){JSON.stringify=function(value,replacer,space){var i;gap="";indent="";if(typeof space==="number"){for(i=0;i<space;i+=1){indent+=" "}}else{if(typeof space==="string"){indent=space}}rep=replacer;if(replacer&&typeof replacer!=="function"&&(typeof replacer!=="object"||typeof replacer.length!=="number")){throw new Error("JSON.stringify")}return str("",{"":value})}}if(typeof JSON.parse!=="function"){JSON.parse=function(text,reviver){var j;function walk(holder,key){var k,v,value=holder[key];if(value&&typeof value==="object"){for(k in value){if(Object.hasOwnProperty.call(value,k)){v=walk(value,k);if(v!==undefined){value[k]=v}else{delete value[k]}}}}return reviver.call(holder,key,value)}cx.lastIndex=0;if(cx.test(text)){text=text.replace(cx,function(a){return"\\u"+("0000"+a.charCodeAt(0).toString(16)).slice(-4)})}if(/^[\],:{}\s]*$/.test(text.replace(/\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g,"@").replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g,"]").replace(/(?:^|:|,)(?:\s*\[)+/g,""))){j=eval("("+text+")");return typeof reviver==="function"?walk({"":j},""):j}throw new SyntaxError("JSON.parse")}}}());