function areaText()
	{
		if(document.contact.Vraag.value == "Uw Vraag" && gekliktVraag != "yes")
			{
				document.contact.Vraag.value = '';
				var gekliktVraag = "yes";
			}
	}
function areaTextOff()
	{
		if (document.contact.Vraag.value == "")
			{
				document.contact.Vraag.value = 'Uw Vraag';
				document.contact.Vraag.style.color='#53B3E2';
			}
	}
function inputName()
	{
		if(document.contact.Naam.value == "Uw Naam" && gekliktNaam != "yes")
			{
				document.contact.Naam.value = '';
				var gekliktNaam = "yes";
			}
	}
function inputNameOff()
	{
		if (document.contact.Naam.value == "")
			{
				document.contact.Naam.value = 'Uw Naam';
				document.contact.Naam.style.color='#53B3E2';
			}
	}
function inputMail()
	{
		if(document.contact.eMail.value == "Uw e-mail adres" && gekliktEmail != "yes")
			{
				document.contact.eMail.value = '';
				var gekliktEmail = "yes";
			}
	}
function inputMailOff()
	{
		if (document.contact.eMail.value == "")
			{
				document.contact.eMail.value = 'Uw e-mail adres';
				document.contact.eMail.style.color='#53B3E2';
			}
	}
function inputTel()
	{
		if(document.contact.Telefoon.value == "Uw Telefoon Nummer (niet verplicht)" && gekliktTel != "yes")
			{
				document.contact.Telefoon.value = '';
				var gekliktTel = "yes";
			}
	}

function inputTelOff()
	{
		if (document.contact.Telefoon.value == "")
			{
				document.contact.Telefoon.value = 'Uw Telefoon Nummer (niet verplicht)';
				document.contact.Telefoon.style.color='#53B3E2';
			}
	}

function chkContact()
	{
		if(document.contact.Vraag.value == " " || document.contact.Vraag.value == "Uw Vraag")
			{
				alert("U bent vergeten een vraag in te vullen.");
				document.contact.Vraag.focus();
				return false;
 	 		}
 	 	if(document.contact.Naam.value == "" || document.contact.Naam.value == "Uw Naam")
			{
				alert("U bent vergeten uw naam in te vullen.");
				document.contact.Naam.focus();
				return false;
 	 		}
		if(document.contact.eMail.value == "" || document.contact.eMail.value == "Uw e-mail adres")
			{
				alert("U bent vergeten uw e-mail adres in te vullen.");
				document.contact.eMail.focus();
				return false;
			}
		if(document.contact.eMail.value.indexOf('@') == -1 || document.contact.eMail.value.indexOf('.') == -1)
			{
				alert("Het door u opgeven e-mail adres klopt niet.");
				document.contact.eMail.focus();
				return false;
			}
}

function createRequestObject() {
    var ro;
    var browser = navigator.appName;
    if(browser == "Microsoft Internet Explorer"){
        ro = new ActiveXObject("Microsoft.XMLHTTP");
    }else{
        ro = new XMLHttpRequest();

    }
    return ro;
}

function send_mail()
{
	var http = createRequestObject();
	
	http.open('post', 'verstuur_email.php', true);
	http.setRequestHeader("Content-Type","application/x-www-form-urlencoded; charset=UTF-8");
	http.send('naam='+document.getElementById('inputname').value+'&email='+document.getElementById('inputmail').value+'&telefoonnr='+document.getElementById('inputtelefon').value+'&vraag='+document.getElementById('inputQuestion').value);
		
	alert("Uw e-mail is verzonden.");
	document.getElementById('inputname').value = "";
	document.getElementById('inputmail').value = "";
	document.getElementById('inputtelefon').value = "";
	document.getElementById('inputQuestion').value = "";
}