xmlHttpReq = new Array();

function check_domein(domein,extension,counter) {
    xmlHttpReq[counter] = false;
    var self = this;
    // Mozilla/Safari
    if (window.XMLHttpRequest) {
        self.xmlHttpReq[counter] = new XMLHttpRequest();
    }
    // IE
    else if (window.ActiveXObject) {
        self.xmlHttpReq[counter] = new ActiveXObject("Microsoft.XMLHTTP");
    }

    if (self.xmlHttpReq[counter].readyState == 4 || self.xmlHttpReq[counter].readyState == 0) {
		    
	    self.xmlHttpReq[counter].open('GET', 'includes/whois.php?domein='+domein+'&ext='+extension, true);
	    self.xmlHttpReq[counter].setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
	    self.xmlHttpReq[counter].onreadystatechange = function() {
	        if (self.xmlHttpReq[counter].readyState == 4) {
	            updatepage(domein,counter,self.xmlHttpReq[counter].responseText);
	        }
	    }
	    self.xmlHttpReq[counter].send(null);
	}
}

function updatepage(domein,counter,str){

	if(str == "free") {
		document.getElementById("status_"+counter).innerHTML = '<font color="green"><b>Dit domeinnaam is vrij.</b></font> Wilt u dit domein registreren?';
		document.getElementById("formfield_"+counter).innerHTML = '<input name="sv_'+counter+'" type="hidden" value="0"><input type="checkbox" name="order_'+counter+'" value="1" /> Ja, registreer';
	}else if(str == "error") {
		document.getElementById("status_"+counter).innerHTML = '<img height="16" width="16" src="images/houder_delete.png" /> ERROR';
		document.getElementById("formfield_"+counter).innerHTML = '<input name="sv_'+counter+'" type="hidden" value="ERROR">';
	} else {
		document.getElementById("status_"+counter).innerHTML = '<font color="red"><b>Dit domeinnaam is bezet.</b></font> Wilt u dit domein verhuizen?';
		document.getElementById("formfield_"+counter).innerHTML = '<input name="sv_'+counter+'" type="hidden" value="1"><input type="checkbox" name="order_'+counter+'" value="1" /> Ja, verhuis';		
	}
	
}