navegador = navigator.appName
version = parseInt(navigator.appVersion)

ns6 = ((navegador == "Netscape") && (version == 5)) ? true:false
ns4 = ((navegador == "Netscape") && (version < 5))? true:false
ie4 = ((navegador == "Microsoft Internet Explorer"))? true:false

var mouse_x;
var mouse_y;

function initMouse()
{
  if (!ns4)
  {
  	document.onmousedown = mouseDown
  	document.onmousemove = mouseMove
  	document.onmouseup = mouseUp
  }
  else
  {
	  //document.captureEvents(Event.MOUSEDOWN | Event.MOUSEMOVE | Event.MOUSEUP)
//	  document.captureEvents(Event.MOUSEOVER);
//    document.onmouseover = mouseDown;
  }
}

function mouseDown(e) {
}
function mouseMove(e) {
	if (ns4) {
		mouse_x = e.pageX
		mouse_y = e.pageY
	}
	if (ie4) {
		mouse_x = event.x
		mouse_y = event.y
	}
}
function mouseUp(e) {
}