var xmlHttp;

function sendForm() {
	xmlHttp = GetXmlHttpObject();
	if (xmlHttp == null) {
		alert ("Browser does not support HTTP Request");
		return;
	}
	var name = document.getElementById("name").value;
	var email = document.getElementById("email").value;
	var phone = document.getElementById("phone").value;
	var comments = document.getElementById("comments").value;
	xmlHttp.onreadystatechange = stateChanged;
	xmlHttp.open("POST","scripts/exec_mailform.php",true);
	xmlHttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
	xmlHttp.send("name=" + name + "&phone=" + phone + "&email=" + email + "&comments=" + comments + "&submit=1");
}

function stateChanged() {
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete") {
		document.getElementById("mailFormContainer").innerHTML=xmlHttp.responseText;
	}
}

function GetXmlHttpObject() {
	var xmlHttp = null;
	try {
		// Firefox, Opera 8.0+, Safari
		xmlHttp = new XMLHttpRequest();
	} catch (e) {
		//Internet Explorer
		try {
			xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
			xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
		}
	}
	return xmlHttp;
}

function validateForm() {
	var valError = "";

	var inputs = document.getElementsByTagName("input");
	var textareas = document.getElementsByTagName("textarea");
	
    for (var i = 0; i < inputs.length ; i++) {
		if (inputs[i].value != "send" && inputs[i].value != "clear") {
			if (inputs[i].value == "") {
				valError = 1;
				inputs[i].className = "badField";
			}
		}
	}
	
	for (var i = 0; i < textareas.length ; i++) {
		if (textareas[i].value == "") {
			valError = 1;
			textareas[i].className = "badField";
		}
	}

	if (valError == "") {
		sendForm();
		return false;
	} else {
		return false;
	}
}


function resetField (field) {
	field.className = "semitransparent";
}


// DW scripts

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}