var xmlHttp

function showCity(str)
{ 	xmlHttp = GetXmlHttpObject()
	if (xmlHttp==null)
	{	alert ("Browser does not support HTTP Request")
		return
	}
	var url = "includes/getCity2.php"
	url = url + "?q=" + str
	url = url + "&sid=" + Math.random()
	xmlHttp.onreadystatechange = stateChanged
	xmlHttp.open("GET",url,true)
	xmlHttp.send(null)
}

function stateChanged()
{ 	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
	{
		document.getElementById("city_div").innerHTML = xmlHttp.responseText
	} 
}

function GetXmlHttpObject()
{ 	var objXMLHttp=null
	if (window.XMLHttpRequest)
	{
		objXMLHttp=new XMLHttpRequest()
	}
	else if (window.ActiveXObject)
	{
		objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP")
	}
	return objXMLHttp
}
////////////////////////////////////////////
////////////////////////////////////////////

function showCommunity(str)
{ 	xmlHttp = GetXmlHttpObject_comm()
	if (xmlHttp==null)
	{	alert ("Browser does not support HTTP Request")
		return
	}
	var url = "includes/getCommunity2.php"
	url = url + "?q=" + str
	url = url + "&sid=" + Math.random()
	xmlHttp.onreadystatechange = stateChanged_comm
	xmlHttp.open("GET",url,true)
	xmlHttp.send(null)
}

function stateChanged_comm()
{ 	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
	{
		document.getElementById("comm_div").innerHTML = xmlHttp.responseText
	} 
}

function GetXmlHttpObject_comm()
{ 	var objXMLHttp=null
	if (window.XMLHttpRequest)
	{
		objXMLHttp=new XMLHttpRequest()
	}
	else if (window.ActiveXObject)
	{
		objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP")
	}
	return objXMLHttp
}
//////////////////////////



///////////////////Character Limit

var ns6=document.getElementById&&!document.all

function restrictinput(maxlength,e,placeholder){
if (window.event&&event.srcElement.value.length>=maxlength)
return false
else if (e.target&&e.target==eval(placeholder)&&e.target.value.length>=maxlength){
var pressedkey=/[a-zA-Z0-9\.\,\/]/ //detect alphanumeric keys
if (pressedkey.test(String.fromCharCode(e.which)))
e.stopPropagation()
}
}

function countlimit(maxlength,e,placeholder){
var theform=eval(placeholder)
var lengthleft=maxlength-theform.value.length
var placeholderobj=document.all? document.all[placeholder] : document.getElementById(placeholder)
if (window.event||e.target&&e.target==eval(placeholder)){
if (lengthleft<0)
theform.value=theform.value.substring(0,maxlength)
placeholderobj.innerHTML=lengthleft
}
}


function displaylimit(thename, theid, thelimit){
var theform=theid!=""? document.getElementById(theid) : thename
var limit_text='<b><span id="'+theform.toString()+'">'+thelimit+'</span></b> characters remaining '
if (document.all||ns6)
document.write(limit_text)
if (document.all){
eval(theform).onkeypress=function(){ return restrictinput(thelimit,event,theform)}
eval(theform).onkeyup=function(){ countlimit(thelimit,event,theform)}
}
else if (ns6){
document.body.addEventListener('keypress', function(event) { restrictinput(thelimit,event,theform) }, true); 
document.body.addEventListener('keyup', function(event) { countlimit(thelimit,event,theform) }, true); 
}
}