bmod.addEventListener(MouseEvent.MOUSE_DOWN, mdown);
bmod.addEventListener(MouseEvent.MOUSE_UP, rel);

/*fait votre bouton
var sourieH:extractH=new extractH();
*/

function extH(event:MouseEvent):void
{
sourieH.x = event.stageX;
sourieH.y = event.stageY;
}

function mdown(ev:MouseEvent)
{

Mouse.hide();
//Déclaration de Mouse_up dans le stage
stage.addEventListener(MouseEvent.MOUSE_UP, rel);

}

function rel(ev:MouseEvent)
{

Mouse.show();
}