<!--
/************************************************************************************
' quicksearch.js
' Last Updated: 12/05/06 by Ken Stanley
' AJAX javascript functions for homepage Quick Search and letting form value
' population
***********************************************************************************/

var xmlHttp

//Initialise build sales areas
function buildSalesAreas(str) { 
	if (str.length > 0) { 
		document.getElementById("arealist").innerHTML='<select name="area" id="area"><option value="0">loading areas...</option>'
		var url="/async/quicksearch/quicksearch_sales.asp?sid=" + Math.random() + "&c=" + str
		xmlHttp=GetXmlHttpObject(stateChanged)
		xmlHttp.open("GET", url , true)
		xmlHttp.send(null)
	} else { 
		document.getElementById("arealist").innerHTML=""
	}
}

function stateChanged() { 
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete") { 
		document.getElementById("arealist").innerHTML=xmlHttp.responseText;
	}
}

//Initialise build lettings areas
function buildLettingsAreas(str) {
	if (str.length > 0) { 
		document.getElementById("arealist").innerHTML='<select name="area" id="area"><option value="0">loading areas...</option>'
		var url="/async/quicksearch/quicksearch_lettings.asp?sid=" + Math.random() + "&c=" + str
		xmlHttp=GetXmlHttpObject(stateChanged2)
		xmlHttp.open("GET", url , true)
		xmlHttp.send(null)
	} else { 
		document.getElementById("arealist").innerHTML=""
	}
}

function stateChanged2() { 
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete") { 
		document.getElementById("arealist").innerHTML=xmlHttp.responseText;
	}
}

//Build lettings form
function showLettings() {
	document.getElementById("quicksearchtabs").innerHTML='<ul><li><a href=""#"" onclick="showSales(); return false;">Residential Sales</a></li><li class="active"><a>Residential Lettings</a></li></ul>'
	var url="/async/quicksearch/build_lettings.asp?sid=" + Math.random()
	xmlHttp=GetXmlHttpObject(stateChanged3)
	xmlHttp.open("GET", url , true)
	xmlHttp.send(null)
};

function stateChanged3() { 
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete") { 
		document.getElementById("quicksearch").innerHTML=xmlHttp.responseText;
	}
}

//Build sales form
function showSales() {
	document.getElementById("quicksearchtabs").innerHTML='<ul><li class="active"><a>Residential Sales</a></li><li><a href=""#"" onclick="showLettings(); return false;">Residential Lettings</a></li></ul>'
	var url="/async/quicksearch/build_sales.asp?sid=" + Math.random()
	xmlHttp=GetXmlHttpObject(stateChanged4)
	xmlHttp.open("GET", url , true)
	xmlHttp.send(null)
};

function stateChanged4() {
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete") { 
		document.getElementById("quicksearch").innerHTML=xmlHttp.responseText;
	}
}

//AJAX handler
function GetXmlHttpObject(handler) { 
	var objXmlHttp=null
	if (navigator.userAgent.indexOf("Opera")>=0) {
		alert("AJAX-compliant browser required to refine search area") 
		return 
	}
	if (navigator.userAgent.indexOf("MSIE")>=0) { 
		var strName="Msxml2.XMLHTTP"
		if (navigator.appVersion.indexOf("MSIE 5.5")>=0) {
			strName="Microsoft.XMLHTTP"
		}
		try { 
			objXmlHttp=new ActiveXObject(strName)
			objXmlHttp.onreadystatechange=handler 
			return objXmlHttp
		}
		catch(e) { 
			alert("Error. Scripting for ActiveX might be disabled") 
			return
		}
	}
	if (navigator.userAgent.indexOf("Mozilla")>=0) {
		objXmlHttp=new XMLHttpRequest()
		objXmlHttp.onload=handler
		objXmlHttp.onerror=handler 
		return objXmlHttp
	}
}
//-->