// getform.js
var timer_id,formdiv;
function show_form() {
	boxdiv = document.getElementById('emailformbox');
	boxdiv.className = 'emailformboxplaced';
	formdiv = document.getElementById('emailform');
	formdiv.className = 'emailformon';
	timer_id = setInterval('drop_form(0,0.12)', 40);
	//alert('top is --' + formdiv.style.top +'--');
}

var http_request = false;
function makePOSTRequest(url, parameters) {
	http_request = false;
	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) {
		//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 || http_request.status == 304) {
			//alert(http_request.responseText);
			result = http_request.responseText;
			document.getElementById('lastrow').innerHTML = result;            
		} else {
			//alert(http_request.status);
			alert('There was a problem with the contact form.');
		}
	}
}

function get(obj) {
	var poststr = "name=" + encodeURI( document.getElementById("input-name").value ) + "&email=" + encodeURI( document.getElementById("input-email").value ) + "&comments=" + encodeURI( document.getElementById("ta-comments").value ) + '&captcha=' + document.getElementById('captcha').value;
	makePOSTRequest('contactus.php', poststr);
}

function check_form(form) {
	document.getElementById('captcha').style.border = 'solid 0px';
	document.getElementById('input-email').style.border = 'solid 0px';
	document.getElementById('input-name').style.border = 'solid 0px';
	if (!check_name(form)) {
		return false;
	} else if (!check_email(form)) {
		return false;
	} else if (document.getElementById('captcha').value != 'ranch') {
		document.getElementById('captcha').style.border = 'solid red 1px';
		document.getElementById('captcha').focus();
		return false;
	} else {
		var d = document.getElementById('lastrow');
		d.innerHTML = '<p style="text-align:left;padding-left:78px;">Thanks for contacting us!</p>';
		setTimeout('start_raise_form()', 2000);
		return true;
	}
}

function check_email(form){
	var email = form.email.value;
	var filter = /^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i;
	var result = true;
	if (!filter.test(email)) {
		document.getElementById('input-email').style.border = 'solid red 1px';
		document.getElementById('input-email').focus();
		//document.getElementById('emailrow').appendChild(txt);
		result = false;
	}
	return result;
}
function check_name(form) {
	if (form.name.value == '') {
		document.getElementById('input-name').style.border = 'solid red 1px';
		document.getElementById('input-name').focus();
		return false;
	} else {
		return true;
	}
}

function drop_form(destination, max_speed) {
	var current_top = parseInt(retrieveComputedStyle('top'));
	if (isNaN(current_top)) {
		current_top = 0;
	}
	if (current_top < destination) {
		current_top += (destination-current_top)*max_speed;
		if (current_top > destination) {
			current_top = destination
		}
	}
	formdiv.style.top = current_top + 'px';
	if (current_top == destination) {
		var firstfield = document.getElementById('input-name');
		firstfield.focus();
		clearInterval(timer_id);
	}
}

function start_raise_form() {
	timer_id = setInterval('raise_form(-280,-0.12)', 40);
}

function raise_form(destination, max_speed) {
	var current_top = parseInt(retrieveComputedStyle('top'));
	if (isNaN(current_top)) {
		current_top = 0;
	}
	if (current_top > destination) {
		current_top -= ((destination-current_top)*max_speed)+1;
		if (current_top < destination) {
			current_top = destination;
		}
	}
	formdiv.style.top = current_top + 'px';
	if (current_top == destination) {
		var d = document.getElementById('lastrow');
		d.innerHTML = '<span><input name="submit" type="submit" value="Fire Away" /></span>';
		boxdiv = document.getElementById('emailformbox');
		boxdiv.className = 'emailformoff';
		clearInterval(timer_id);
	}
}
function retrieveComputedStyle(styleProperty) {
	var computedStyle = null;
	if (typeof formdiv.currentStyle != 'undefined' && typeof formdiv.currentStyle != undefined) {
		computedStyle = formdiv.currentStyle;
	} else {
		computedStyle = document.defaultView.getComputedStyle(formdiv, null);
	}
	return computedStyle[styleProperty];
}