function popup(fer) {
	var left = screen.availWidth / 2 - 370
	var top = screen.availHeight / 2 - 270
	
	window.open( fer , '', 'width=700,height=500,scrollbars=yes,status=no,toolbars=no,menubar=no,resizable=yes,left=' + left + ',top=' + top);
}

function popupd(fer) {
	var left = screen.availWidth / 2 - 370
	var top = screen.availHeight / 2 - 270
	window.open( fer , '', 'width=450,height=440,scrollbars=yes,status=no,toolbars=no,menubar=no,resizable=yes,left=' + left + ',top=' + top);
}

function createRequestObject() {
    var ro;
    var browser = navigator.appName;
    if(browser == "Microsoft Internet Explorer"){
        ro = new ActiveXObject("Microsoft.XMLHTTP");
    }else{
        ro = new XMLHttpRequest();
    }
    return ro;
}

var http = createRequestObject();

function perform_action(url,param) {
	//var http = createRequestObject();
    http.open('GET', url, true);
    http.onreadystatechange = handleResponse;
    http.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
    http.setRequestHeader("If-Modified-Since", "Sat, 1 Jan 2000 00:00:00 GMT");
    http.send(param);
}

function handleResponse() {
    if(http.readyState == 4){
    	response = http.responseText;
	if (response != '0') {
		document.getElementById('news_msg').innerHTML = http.responseText;
	}
    }
}

function news_submit() {

	email = document.frm_news.email.value;
	document.frm_news.email.value = '';
	if (email.length > 4) {
		//document.frm_search.submit();
		perform_action("newsletter_subscribe.php","email="+email);
	}
}

function search_submit() {
	q = document.frm_search.q.value;
	//perform_action("search.php","q="+q);
	document.frm_search.submit();
}