// #
// #  Javascript for search pages
// #  Mod from www.w3c.com by workin4u.com.au 2006
// #

// multiple selects


// suggest a suburb
function suggestsuburb()
{
    var the_given = window.document.F1.subhint;
	var the_select = window.document.F1.suburb;
	for (i=0; i < the_select.options.length; i++)
	{
		if(the_select.options[i].text.toUpperCase().indexOf(the_given.value.toUpperCase()) == 0)
		{
			the_select.options[i].selected = true;
		    break;
		}
	}
}

// delete from selected suburbs
function updateselsubs()
{
	var the_select = window.document.F1.selsubs;
	var the_string = window.document.F1.suburbs;
	var string_start = '';
	var string_stop = '';
	string_start = the_string.value.indexOf(the_select.options[the_select.selectedIndex].text);
	string_stop = string_start + the_select.options[the_select.selectedIndex].text.length + 2;
	the_string.value = the_string.value.substring(0, string_start) + the_string.value.substring(string_stop, the_string.value.length);
	the_select.options[the_select.selectedIndex] = null;
}

// add to selected suburbs
function updatesuburbs()
{
	var the_select = window.document.F1.suburb;
	var the_selected = window.document.F1.selsubs;
	var the_string = window.document.F1.suburbs;
	if(the_string.value.toUpperCase().indexOf(the_select.options[the_select.selectedIndex].text.toUpperCase()) == -1)
	{
		// add suburb to selected string
		the_string.value = the_string.value + the_select.options[the_select.selectedIndex].text + ", ";	
		// add suburb to selected options
		the_selected[the_selected.options.length] = new Option(the_select.options[the_select.selectedIndex].text,'new value');
	}

}


// ajax


var xmlHttp

function showHint(str)
{ 
	if (str.length > 0)
	{ 
		var url="gethint.asp?sid=" + Math.random() + "&q=" + str
		xmlHttp=GetXmlHttpObject(stateChanged)
		xmlHttp.open("GET", url , true)
		xmlHttp.send(null)
	} 
	else
	{ 
		document.getElementById("txtHint").innerHTML=""
	} 
} 

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

function GetXmlHttpObject(handler)
{ 
	var objXmlHttp=null
	
	if (navigator.userAgent.indexOf("Opera")>=0)
	{
		alert("This example doesn't work in Opera") 
		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
	}
}