var SendMailUrl = "problem_sendmail.php";

function sendmail() {
	//window.alert('Send mail.');
	/*
	if(document.getElementById("email").value == "") {
		window.alert("Podaj swój adres e-mail!");
		return false;
	}
	if(document.getElementById("problem").value == "") {
		window.alert("Opisz problem!");
		return false;
	}
	*/
	param = 'email='+document.getElementById('email').value+
			'&problem='+document.getElementById('problem').value+
			'&image='+document.getElementById('image').value;
		//window.alert(param); return true;
	obj_wait = document.getElementById("wait");
	obj_wait.style.display = "block";
	obj_msg = document.getElementById("msg");
	obj_msg.innerHTML = "";
	
	httpSendMail.open("POST", SendMailUrl, true);
	httpSendMail.setRequestHeader('Content-Type','application/x-www-form-urlencoded');
	httpSendMail.send(param);
	
	httpSendMail.onreadystatechange = function () {
		if (httpSendMail.readyState == 4) {
			if (httpSendMail.status == 200) {
					obj_wait.style.display = "none";
					var json_data = httpSendMail.responseText;
					eval("var myJSONObject = (" + json_data + ")");
					
					if(!myJSONObject.response[0].iserror) { //nie ma bledu
						document.getElementById("em").style.color = "black";
						document.getElementById("pr").style.color = "black";
						document.getElementById("im").style.color = "black";
						document.getElementById("submit").disabled = true;
					}
					else { //jest blad
						if(myJSONObject.response[0].email) {
							document.getElementById("em").style.color = "red";
						}
						else {
							document.getElementById("em").style.color = "black";
						}
						if(myJSONObject.response[0].problem) {
							document.getElementById("pr").style.color = "red";
						}
						else {
							document.getElementById("pr").style.color = "black";
						}
						if(myJSONObject.response[0].image) {
							document.getElementById("im").style.color = "red";
						}
						else {
							document.getElementById("im").style.color = "black";
						}
						
						document.getElementById("image").value = "";
						
						obj_code = document.getElementById("code");
						var d = new Date();
						obj_code.innerHTML = "<img src=\"code.php?id=" + String(d.getTime()) +"\">";
					}
					
					obj_msg.innerHTML = myJSONObject.response[0].msg;
					obj_msg.style.display = "block";
					/*
					obj_wait.style.display = "none";
					obj_msg.innerHTML = httpSendMail.responseText;
					obj_msg.style.display = "block";
					*/
					/*
					obj_code = document.getElementById("code");
					if(obj_code.innerHTML == "<img src=\"code.php\">")
						obj_code.innerHTML = "<img src=\"code2.php\">";
					else
						obj_code.innerHTML = "<img src=\"code.php\">";
					obj_codeinput = document.getElementById("image");
					obj_codeinput.value = "";
					*/
			}
		}
	};

	return true;
}

function getHttpObject() {
	
    var xmlhttp;
    
	try { // Firefox, Opera 8.0+, Safari; create a javascript instance of the object.
		xmlhttp=new XMLHttpRequest();
	}
	catch (e) {
		try { // Internet Explorer
			xmlhttp=new ActiveXObject("Msxml2.XMLHTTP"); //If the Javascript version is greater than 5
		}
		catch (e) {
			try {
				xmlhttp=new ActiveXObject("Microsoft.XMLHTTP"); //If not, then use the older active x object.
			}
			catch (e) {
				alert("Your browser does not support AJAX!");
				return false;
			}
		}
	}
    
	return xmlhttp;
}

// initiates the object for sending data
var httpSendMail = getHttpObject();