function createXMLHttp(){
	
	if(typeof XMLHttpRequest != "undefined"){
		return new XMLHttpRequest();
	} else if (window.ActiveXObject){
		var aVersions =["MSXML2.XMLHttp.5.0","MSXML2.XMLHttp.4.0","MSXML2.XMLHttp.3.0","MSXML2.XMLHttp","Microsoft.XMLHttp"];
		
		for (var i = 0; i < aVersions.length;  i++){
			try{
				var oXmlHttp = new ActiveXObject(aVersions[i]);
				return oXmlHttp;
			} catch (oError) {
				
			}
		}
	}
	throw new Error("XMLHTTP object could be created.");
}
function getContainers(id)
{
	var afval = document.getElementById('afval'+id).value;
	var splitcont = afval.split(':');
	
	//alert(splitcont[1]);
	
	var oXMLHTTP = createXMLHttp();
	oXMLHTTP.onreadystatechange = function()
	{
		if (oXMLHTTP.readyState == 4 && oXMLHTTP.status == 200)
		{
			document.getElementById('contain_er'+id).innerHTML = oXMLHTTP.responseText;
							
		}
	}
	document.getElementById('contain_er'+id).innerHTML = "Content wordt geladen...";
	oXMLHTTP.open("get", "ajax/getcontainers.php?c=" + splitcont[0] , true)
	oXMLHTTP.send(null)
}
function toggle(id,id2,id3) {
    var ele = document.getElementById(id);
	var ele2 = document.getElementById(id2);
	var ele3 = document.getElementById(id3);
    ele.style.display = (ele.style.display=='block') ? 'none' : 'block';
	ele2.style.display = 'none';
	ele3.style.display = 'none';
}
function validate1(f){
		
		if (f.tel.value == ""){
			alert("Vul uw telefoonnummer in");
			f.tel.focus();
			return false;
		}
		if (f.naam.value == ""){
			alert("Vul uw naam in");
			f.naam.focus();
			return false;
		}
	return true;
}
function validate2(f){
		
		if (f.email.value == "" || f.email.value.indexOf('@',1)== -1 || f.email.value.indexOf('.',2)==-1){
			alert("Vul een geldig emailadres in");
			f.email.focus();
			return false;
		}
		if (f.naam.value == ""){
			alert("Vul uw naam in");
			f.naam.focus();
			return false;
		}
		
		
	return true;
}
function validate3(f){
		
		if (f.naam.value == ""){
			alert("Vul uw naam in");
			f.naam.focus();
			return false;
		}
		if (f.tel.value == ""){
			alert("Vul uw telefoonnummer in");
			f.tel.focus();
			return false;
		}
		if (f.email.value == "" || f.email.value.indexOf('@',1)== -1 || f.email.value.indexOf('.',2)==-1){
			alert("Vul een geldig emailadres in");
			f.email.focus();
			return false;
		}
		
		
		
	return true;
}
function checkOption(v,n)
{
	if(v == 1)
	{
		if(document.getElementById('vraag0'))
		{
			document.getElementById('vraag0').style.display = 'block';
		}
		if(document.getElementById('vraag1'))
		{
			document.getElementById('vraag1').style.display = 'block';
		}
	}
	else
	{
		if(document.getElementById('vraag0'))
		{
			document.getElementById('vraag0').style.display = 'none';
		}
		if(document.getElementById('vraag1'))
		{
			document.getElementById('vraag1').style.display = 'none';
		}
	}
}