nc6 = (typeof(window.controllers) != 'undefined' && typeof(window.locationbar) != 'undefined')? true:false;
nc4 = (document.layers)? true:false;
ie4 = (document.all)? true:false;

if (nc4) {
	document.captureEvents(Event.MOUSEMOVE);
	}
if (nc6) {
	document.addEventListener("mousemove",document.onmousemove,true);
	suivre_souris;
	}
document.onmousemove = suivre_souris;

function suivre_souris(e) {
	if (nc6 || nc4) {
		var x = e.pageX;
		var y = e.pageY;
		}
	if (ie4) {
		var x = event.x + document.body.scrollLeft;
		var y = event.y + document.body.scrollTop;
		}
	document.formulaire.pos_x.value = x;
	document.formulaire.pos_y.value = y;
	}