var http_request = false;

function toggleLayer(whichLayer)
{
	if (document.getElementById)
	{
	// this is the way the standards work
	var style2 = document.getElementById(whichLayer).style;
	style2.display = style2.display? "":"block";
	}
	else if (document.all)
	{
	// this is the way old msie versions work
	var style2 = document.all[whichLayer].style;
	style2.display = style2.display? "":"block";
	}
	else if (document.layers)
	{
	// this is the way nn4 works
	var style2 = document.layers[whichLayer].style;
	style2.display = style2.display? "":"block";
	}
}

function SendToFriends(idnum) {
	var getstr = "?id=" + idnum + "&";
	var obj = document.quEmail;

	for (i=0; i<obj.elements.length; i++) {
		if (obj.elements[i].tagName == "INPUT") {
			if (obj.elements[i].type == "text") {
				getstr += obj.elements[i].name + "=" + obj.elements[i].value + "&";
			}
			if (obj.elements[i].type == "checkbox") {
				if (obj.elements[i].checked) {
					getstr += obj.elements[i].name + "=" + obj.elements[i].value + "&";
				} else {
					getstr += obj.elements[i].name + "=&";
				}
			}
			if (obj.elements[i].type == "radio") {
				if (obj.elements[i].checked) {
					getstr += obj.elements[i].name + "=" + obj.elements[i].value + "&";
				}
			}
		}   
		if (obj.elements[i].tagName == "select") {
			var sel = obj.elements[i];
			getstr += sel.name + "=" + sel.options[sel.selectedIndex].value + "&";
		}
		if (obj.elements[i].tagName == "TEXTAREA") {
			var areaString = obj.elements[i].value;
			areaString = areaString.replace(/\ /g, '');
			areaString = areaString.replace(/\@/g, '%40');
			areaString = areaString.replace(/\+/g, '%2B');
			areaString = escape(areaString);
			getstr += obj.elements[i].name + "=" + areaString + "&";
		}
	}
	email_makeRequest('email_share.php', getstr);
}

function email_makeRequest(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 - Sorry, but your brower does not have the appropriate Javascript compatibility');
		return false;
	}

	http_request.onreadystatechange = email_alertContents; // PHP will return the new <div ...> . . . </div> tag
	http_request.open('GET', url + parameters, true);
	http_request.send(null);
}

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