var onImgArray = new Array()
var offImgArray = new Array()
var onSubArray = new Array()
var offSubArray = new Array()
var onHB = new Array()
var offHB = new Array()
var onSB = new Array()
var offSB = new Array()

function imageOn(i) {
	if (document.images) {
		document.images["btn" + i].src = onImgArray[i].src
		if (navigator.userAgent.match('MSIE') && i > 1) { 
			document.getElementById('ul'+i).style.visibility = 'visible';
		}
	}
}
function imageOff(i) {
	if (document.images) {
		document.images["btn" + i].src = offImgArray[i].src
		if (navigator.userAgent.match('MSIE') && i > 1) { 
			document.getElementById('ul'+i).style.visibility = 'hidden';
		}
	}
}
function hbOn(i) {
	if (document.images) {
		document.images["hb" + i].src = onHB[i].src
	}
}
function hbOff(i) {
	if (document.images) {
		document.images["hb" + i].src = offHB[i].src
	}
}
function subOn(i) {
	if (document.images) {
		document.images["sub" + i].src = onSubArray[i].src
	}
}
function subOff(i) {
	if (document.images) {
		document.images["sub" + i].src = offSubArray[i].src
	}
}
function sbOn(i) {
	if (document.images) {
		document.images["sb" + i].src = onSB[i].src
	}
}
function sbOff(i) {
	if (document.images) {
		document.images["sb" + i].src = offSB[i].src
	}
}
function dropdownVisible(i) {
	if (navigator.userAgent.match('MSIE') && i > 1) { 
		document.getElementById('ul'+i).style.visibility = 'visible';
	}
}
function dropdownInvisible(i) {
	if (navigator.userAgent.match('MSIE') && i > 1) { 
		document.getElementById('ul'+i).style.visibility = 'hidden';
	}
}

function get(obj) {
	var poststr =	"email=" + encodeURI( document.getElementById("email").value ) ;
	makePOSTRequest('/functions/sendit.php', poststr);
}

function makePOSTRequest(url, parameters) {
	http_request = false;
	if (window.XMLHttpRequest) { // Mozilla, Safari,...
		http_request = new XMLHttpRequest();
		if (http_request.overrideMimeType) {
			// set type accordingly to anticipated content type
			//http_request.overrideMimeType('text/xml');
			http_request.overrideMimeType('text/html');
		}
	} 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) {
		alert('Cannot create XMLHTTP instance');
		return false;
	}
      
	http_request.onreadystatechange = alertContents;
	http_request.open('POST', url, true);
	http_request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
	http_request.setRequestHeader("Content-length", parameters.length);
	http_request.setRequestHeader("Connection", "close");
	http_request.send(parameters);
}

function alertContents() {
	if (http_request.readyState == 4) {
		if (http_request.status == 200) {
			//alert(http_request.responseText);
			result = http_request.responseText;
			document.getElementById('signup').innerHTML = result;
		} else {
			alert('There was a problem with the request.');
		}
	}
}