button_request_over = new Image(); button_request_over.src = '/images/btn_request_over.gif';
button_request = new Image(); button_request.src = '/images/btn_request.gif';
button_search_over = new Image(); button_search_over.src = '/images/img_search_instead_icon_ovr.gif';
button_search = new Image(); button_search.src = '/images/img_search_instead_icon.gif';
button_searchtext_over = new Image(); button_searchtext_over.src = '/images/img_search_instead_over.gif';
button_searchtext = new Image(); button_searchtext.src = '/images/img_search_instead.gif';
header_typefield_search = new Image();
header_typefield_search.src = '/images/btn_dosearch.gif';
header_typefield_search_on = new Image();
header_typefield_search_on.src = '/images/btn_dosearch_on.gif';


var defaultVals = new Array();
defaultVals[0] = " WHAT KIND OF SERVICE";
defaultVals[1] = " SUBURB OR POSTCODE";
defaultVals[2] = " YOUR PHONE NUMBER";
defaultVals[3] = " (OR) NAME OF BUSINESS";




function createRequest()
{
	var xmlHttp;
	try
	{
		// Firefox, Opera 8.0+, Safari
		xmlHttp=new XMLHttpRequest();
		return xmlHttp;
	}
	catch (e)
	{
		// Internet Explorer
		try
		{
			xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
			return xmlHttp;
		}
		catch (e)
		{
	  		try
	    	{
	    		xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
	    		return xmlHttp;
	    	}
	  		catch (e)
	    	{
	    		alert("Your browser does not support AJAX!");
	    		return false;
	    	}
	  	}
	}
}










function txtFocus(ctrl) { 
	for (i=0;i<=3;i++)
	{	if (defaultVals[i] == document.getElementById(ctrl).value)
		{	document.getElementById(ctrl).value = '';
		}
	}
	document.getElementById(ctrl).style.backgroundColor = "#FFFFFF";
	document.getElementById(ctrl).style.border = "2px solid #ED7B32";
}
function txtUnFocus(ctrl) { 
	var returncolour = "D2E036";
	if (document.getElementById(ctrl).value == '') 
	{
		if (ctrl == 'requestwhat') { document.getElementById(ctrl).value=defaultVals[0]; }
		if (ctrl == 'requestwhere') { document.getElementById(ctrl).value=defaultVals[1]; }
		if (ctrl == 'requestphone') { document.getElementById(ctrl).value=defaultVals[2]; }
		
		if (ctrl == 'searchwhat') { document.getElementById(ctrl).value=defaultVals[0]; returncolour = "488bda"; }
		if (ctrl == 'searchwho') { document.getElementById(ctrl).value=defaultVals[3]; returncolour = "488bda"; }
		if (ctrl == 'searchwhere') { document.getElementById(ctrl).value=defaultVals[1]; returncolour = "488bda"; }		
	}
	document.getElementById(ctrl).style.backgroundColor = "#FFFFFF";
	document.getElementById(ctrl).style.border = "2px solid #"+returncolour;
}

function btn_request_over() { document.getElementById('requestbutton').style.background = 'url(/images/btn_request_over.gif)'; }
function btn_request() { document.getElementById('requestbutton').style.background = 'url(/images/btn_request.gif)'; }

function btn_search_over() { 
	document.getElementById('searchbutton').src = button_search_over.src; 
	document.getElementById('searchtext').src = button_searchtext_over.src;
}

function btn_search() {
	document.getElementById('searchbutton').src = button_search.src; 
	document.getElementById('searchtext').src = button_searchtext.src;
}




function search_form() {
	var geturl = '';
	var xmlHttp;
	
	overlay();
	geturl = "overlay_searchform.php";
	
	xmlHttp = createRequest();
	xmlHttp.onreadystatechange=function()
  	{	
 		if(xmlHttp.readyState==4)
 		{
			document.getElementById('overlay_box').innerHTML = xmlHttp.responseText;
		}
	}
	xmlHttp.open("GET", geturl,true);
	xmlHttp.send(null);		
}





function overlay() {	
	setOpacity('overlay', 0);
	document.getElementById('overlay').style.display = 'block';	
	fadeInTrans('overlay', 0);
	
	setOpacity('overlay_box', 0);
	document.getElementById('overlay_box').style.display = 'block';	
	window.setTimeout("fadeIn('overlay_box', 0)", 30);
}

function overlay_hide() {
	document.getElementById('overlay_box').innerHTML = '';
	document.getElementById('overlay_box').style.display = 'none';	
	document.getElementById('overlay').innerHTML = '';
	document.getElementById('overlay').style.display = 'none';
}


function setOpacity(objId, opacity) {
	obj = document.getElementById(objId);
	// IE/Win
	obj.style.filter = "alpha(opacity:"+opacity+")";		
	// Safari<1.2, Konqueror
	obj.style.KHTMLOpacity = opacity/100;		
	// Older Mozilla and Firefox
	obj.style.MozOpacity = opacity/100;
	// Safari 1.2, newer Firefox and Mozilla, CSS3
	obj.style.opacity = opacity/100;

}



function fadeInTrans(objId,opacity) {
	obj = document.getElementById(objId);
	if (opacity <= 90) 
	{
		if (opacity == 90) { opacity = 89.999; }
		// IE/Win
		obj.style.filter = "alpha(opacity:"+opacity+")";		
		// Safari<1.2, Konqueror
		obj.style.KHTMLOpacity = opacity/100;		
		// Older Mozilla and Firefox
		obj.style.MozOpacity = opacity/100;
		// Safari 1.2, newer Firefox and Mozilla, CSS3
		obj.style.opacity = opacity/100;
		opacity += 1;
		fadeInTrans(objId, opacity);
	}
}

function fadeIn(objId,opacity) {
	obj = document.getElementById(objId);
	if (opacity <= 100) 
	{
		if (opacity == 100) { opacity = 99.999; }
		// IE/Win
		obj.style.filter = "alpha(opacity:"+opacity+")";		
		// Safari<1.2, Konqueror
		obj.style.KHTMLOpacity = opacity/100;		
		// Older Mozilla and Firefox
		obj.style.MozOpacity = opacity/100;
		// Safari 1.2, newer Firefox and Mozilla, CSS3
		obj.style.opacity = opacity/100;
		opacity += 1;
		fadeIn(objId, opacity);
	}
}




function header_searchbtn_on() {
	document.getElementById("header_search_btn").style.background = 'url('+header_typefield_search_on.src+') no-repeat top left';
}

function header_searchbtn_off() {
	document.getElementById("header_search_btn").style.background = 'url('+header_typefield_search.src+') no-repeat top left';
}