// JavaScript Document
function gen_cal(m,y,id){
var ajaxRequest;  // The variable that makes Ajax possible!
	
	try{
		// Opera 8.0+, Firefox, Safari
		ajaxRequest = new XMLHttpRequest();
	} catch (e){
		// Internet Explorer Browsers
		try{
			ajaxRequest = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
			try{
				ajaxRequest = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (e){
				// Something went wrong
				alert("Your browser broke!");
				return false;
			}
		}
	}
	// Create a function that will receive data sent from the server
	ajaxRequest.onreadystatechange = function(){
		if(ajaxRequest.readyState == 4){
//	alert(ajaxRequest.responseText);
		document.getElementById('schip_cal_wrapper'+id).innerHTML=ajaxRequest.responseText;
		}
		else
			document.getElementById('schip_cal_wrapper'+id).innerHTML='Loading';
	}
	ajaxRequest.open("GET", "http://slaapschepen.nl/availability_cal.php?m="+m+"&y="+y+"&id="+id, true);
	ajaxRequest.send(null);
}