var http_request = false;
var dom_popout = (document.getElementById && !document.all)? 1: 0; // Do we use DOM or not?
			
function ajaxRequestAdv(url, divID, linkID) {

	http_request = false;
	
	element = document.getElementById(divID);
	element.innerHTML = '';
	
	if (url != "")
		element.innerHTML = '<div align=center>Loading Request...</div>';
	
	if (window.XMLHttpRequest) { // Mozilla, Safari,...
			http_request = new XMLHttpRequest();
			if (http_request.overrideMimeType) {
					http_request.overrideMimeType('text/xml');
			}
	} else if (window.ActiveXObject) { // IE
			try {
					http_request = new ActiveXObject("Msxml2.XMLHTTP");
			} catch (e) {
					try {
							http_request = new ActiveXObject("Microsoft.XMLHTTP");
					} catch (e) {}
			}
	}
	
	if (!http_request) {
			element.innerHTML = 'Giving up :( Cannot create an XMLHTTP instance';
			return false;
	}
	
	http_request.onreadystatechange = function() {
		if (http_request.readyState == 4 && http_request.status == 200){
			element.innerHTML = http_request.responseText;
		}
	};
	
	http_request.open('GET', url, true);
	http_request.send(null);
	
	// Reset link to hide advanced search
	linkElement = document.getElementById(linkID);
	linkElement.innerHTML = '<img src="/idx/images/button_on.gif" border="0" align="texttop" />Hide advanced search criteria';
	linkElement.onclick = bindHideAdvSearch(element, linkElement, url, divID, linkID); 

}

function bindShowAdvSearch (element, linkElement, url, divID, linkID) {
	
	return function()
	{
		ajaxRequest(url, divID, linkID);
	};

}

function bindHideAdvSearch (element, linkElement, url, divID, linkID) {
	
	return function()
	{
		hideAdvSearch(element, linkElement, url, divID, linkID);
	};

}

function hideAdvSearch (element, linkElement, url, divID, linkID) {
	
	//alert(thing.innerHTML);
	element.innerHTML = '';
	linkElement.innerHTML = '<img src="/idx/images/button_off.gif" border="0" align="texttop" />Show advanced search criteria';
	linkElement.onclick = bindShowAdvSearch(element, linkElement, url, divID, linkID);

}