if(/MSIE (\d+\.\d+);/.test(navigator.userAgent)){ //test for MSIE x.x;
	var ieversion=new Number(RegExp.$1); // capture x.x portion and store as a number
	var isIE6 = false;
	if(ieversion>5 && ieversion<7) isIE6 = true;
}
function setState(thestate) {
	for(i=0; i<document.getElementById('state').length; i++) {
		if(thestate == document.getElementById('state').options[i].value) {
			document.getElementById('state').options[i].selected = true;
			//alert("State set to " + thestate);
		}
		else {
			//alert(thestate +" != "+document.getElementById('state').options[i].value);
		}
	}
}

//Gets the browser specific XmlHttpRequest Object
function getXmlHttpRequestObject() {
	if (window.XMLHttpRequest) {
		return new XMLHttpRequest();
	} else if(window.ActiveXObject) {
		return new ActiveXObject("Microsoft.XMLHTTP");
	} else {
		alert("Your Browser can not perform the requested operation \nPlease upgrade your browser - www.getfirefox.com");
	}
}

//Our XmlHttpRequest object to get the auto suggest
var searchReq = getXmlHttpRequestObject();

//Called from keyup on the search textbox.
//Starts the AJAX request.
function suburbSuggest() {
	if (searchReq.readyState == 4 || searchReq.readyState == 0) {
		var str = escape(document.getElementById('suburb').value);
		// require 2 letters before initiating the query
		var keylength = 2;
		//if(isIE6) keylength = 3;
		if(str.length > keylength) {
			searchReq.open("GET", 'http://www.titangarages.com.au/suburb_suggest.php?suburb=' + str, true);
			searchReq.onreadystatechange = handleSearchSuggest; 
			searchReq.send(null);
			if(isIE6) document.getElementById('state').style.visibility = 'hidden';
		}
		else {
			document.getElementById('suburb_suggest').style.visibility = 'hidden';
			if(isIE6) document.getElementById('state').style.visibility = 'visible';
		}
	}
}

//Called when the AJAX response is returned.
function handleSearchSuggest() {
	if (searchReq.readyState == 4) {
		var ss = document.getElementById('suburb_suggest');
		ss.innerHTML = '';
		var str = searchReq.responseText.split("\n");
		for(i=0; i < str.length - 1; i++) {
			//Build our element string.  This is cleaner using the DOM, but
			//IE doesn't support dynamically added attributes.
			var suggest = '<div onmouseover="javascript:suggestOver(this);" ';
			suggest += 'onmouseout="javascript:suggestOut(this);" ';
			suggest += 'onclick="javascript:setSearch(this.innerHTML);" ';
			suggest += 'class="suggest_link">' + str[i] + '</div>';
			ss.innerHTML += suggest;
			document.getElementById('suburb_suggest').style.visibility = 'visible';
		}
	}
}

//Mouse over function
function suggestOver(div_value) {
	div_value.className = 'suggest_link_over';
}
//Mouse out function
function suggestOut(div_value) {
	div_value.className = 'suggest_link';
}
//Click function
function setSearch(value) {
	var temp = new Array();
	temp = value.split(', ');
	document.getElementById('suburb').value = temp[0];
	document.getElementById('postcode').value = temp[1];
	setState(temp[2]);
	
	document.getElementById('suburb_suggest').innerHTML = '';
	document.getElementById('suburb_suggest').style.visibility = 'hidden';
	if(isIE6) document.getElementById('state').style.visibility = 'visible';
}