function addEvent( obj, type, fn ) {
  if ( obj.attachEvent ) {
    obj['e'+type+fn] = fn;
    obj[type+fn] = function(){obj['e'+type+fn]( window.event );}
    obj.attachEvent( 'on'+type, obj[type+fn] );
  } else
    obj.addEventListener( type, fn, false );
}
function removeEvent( obj, type, fn ) {
  if ( obj.detachEvent ) {
    obj.detachEvent( 'on'+type, obj[type+fn] );
    obj[type+fn] = null;
  } else
    obj.removeEventListener( type, fn, false );
}


function sendAjax(x, y){
	if (window.XMLHttpRequest){// code for IE7+, Firefox, Chrome, Opera, Safari
  		xmlhttp=new XMLHttpRequest();
  	} else {// code for IE6, IE5
  		xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
  	}
//	xmlhttp.onreadystatechange=function(){
//		if (xmlhttp.readyState==4 && xmlhttp.status==200) {
//   			document.getElementById("myDiv").innerHTML=xmlhttp.responseText;
//    	}
//	}
	xmlhttp.open("POST","http://kalenderwoche.net/clickmap/ajax.php",true);
	xmlhttp.setRequestHeader("Content-type","application/x-www-form-urlencoded");
	xmlhttp.send("x="+x+"&y="+y);
}

var content = document.getElementById('content');
var dX = content.offsetLeft;
var dY = content.offsetTop;
var x = 0;
var y = 0;
addEvent(content, 'click', function(e){
	if (e == null) { e = window.event }
	x = e.pageX-dX;
	y = e.pageY-dY;
});


if(window.location.hash == 'xrr'){
	if (window.XMLHttpRequest){// code for IE7+, Firefox, Chrome, Opera, Safari
  		xmlhttp=new XMLHttpRequest();
  	} else {// code for IE6, IE5
  		xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
  	}
//	xmlhttp.onreadystatechange=function(){
//		if (xmlhttp.readyState==4 && xmlhttp.status==200) {
//   			document.getElementById("myDiv").innerHTML=xmlhttp.responseText;
//    	}
//	}
	xmlhttp.open("get","http://kalenderwoche.net/clickmap/getpoints.php",true);
	xmlhttp.setRequestHeader("Content-type","application/x-www-form-urlencoded");
	xmlhttp.send("x="+x+"&y="+y);
}