/*
* Gere le clic sur la carte miniature
*/
function mouseDownMiniature(evt) {
    if (top.getMapFrame().requeteEnCours == false) {
        isClicMiniature = true;
        if (!evt) {
            evt = window.event;
        }
//        if (!(evt.x < 0 || evt.x > 580 || evt.y < 0 || evt.y > 500)) {
            var ovXincre = widthCarteMiniature / widthPixelMiniature;
            var ovYincre = heightCarteMiniature / heightPixelMiniature;
            var ovX = evt.clientX;
            var ovY = heightPixelMiniature - evt.clientY;
            var ovmapX = ovX * ovXincre + hgXMiniature;
            var ovmapY = ovY * ovYincre + bdYMiniature;
            top.getMapFrame().rafraichirCarte("zoomXY&x1=" + Math.round(ovmapX) + "&y1=" + Math.round(ovmapY));
//        }
    }
}