function exhibition_search_control() {
	port = document.getElementById('exhibition_search_control_ele');
	if(port.className == "control_hide") {
		//ok then hide
		close_recursive('exhibition_search_options',0,exhibition_search_control_open);
	}
	else {	
		open_recursive('exhibition_search_options',0,exhibition_search_control_close);
	}
}
function exhibition_search_control_open(div) {
	document.getElementById('exhibition_search_control_ele').className = 'control_show';
}
function exhibition_search_control_close(div) {
	document.getElementById('exhibition_search_control_ele').className = 'control_hide';
	
}

function exhibition_add_search() {
	search_val = document.getElementById('search_exhibition').value;
	var d = new Date();
	var time = d.getTime();
	var url= SITEURL + "/libs/ajax/ajax_exhibition_add_search.php?timestamp="+time;
	params = "search_term="+search_val;
	
	xmlHttp_exhibition_search = GetXmlHttpObject(exhibition_add_search_helper);//fails on safari 1
	xmlHttp_exhibition_search.open("POST", url , true);
	xmlHttp_exhibition_search.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
	xmlHttp_exhibition_search.setRequestHeader("Content-length", params.length);
	xmlHttp_exhibition_search.setRequestHeader("Connection", "close");
	xmlHttp_exhibition_search.send(params);
	
	
}
function exhibition_add_search_helper() {
	if (xmlHttp_exhibition_search.readyState==4 || xmlHttp_exhibition_search.readyState=="complete") {
		response = xmlHttp_exhibition_search.responseText;
		document.getElementById('exhibition_search_results').innerHTML = response;
	}
}