function PreLdImgs() {
    if (document.images) {
        img1  =  new Image(); img1.src   = 'img/menu001.gif';
        img2  =  new Image(); img2.src   = 'img/menu002.gif';
        img3  =  new Image(); img3.src   = 'img/menu003.gif';
        img4  =  new Image(); img4.src   = 'img/menu004e.gif';
        img5  =  new Image(); img5.src   = 'img/menu005e.gif';
        img6  =  new Image(); img6.src   = 'img/menu006e.gif';
        img7  =  new Image(); img7.src   = 'img/menu007e.gif';
        img8  =  new Image(); img8.src   = 'img/menu008e.gif';
        img9  =  new Image(); img9.src   = 'img/menu009e.gif';
        img10 = new Image(); img10.src = 'img/menu010e.gif';
        img11 = new Image(); img11.src = 'img/menu011e.gif';
        img12 = new Image(); img12.src = 'img/menu012e.gif';
        img13 = new Image(); img13.src = 'img/menu013e.gif';
        img14 = new Image(); img14.src = 'img/menu014e.gif';
        img15 = new Image(); img15.src = 'img/menu015e.gif';
        img16 = new Image(); img16.src = 'img/menu016.gif';

        img101  =  new Image(); img101.src   = 'img/menu101e.gif';
        img102  =  new Image(); img102.src   = 'img/menu102e.gif';
        img103  =  new Image(); img103.src   = 'img/menu103e.gif';
        img104  =  new Image(); img104.src   = 'img/menu104e.gif';
        img105  =  new Image(); img105.src   = 'img/menu105.gif';
        img106  =  new Image(); img106.src   = 'img/menu106.gif';
        img107  =  new Image(); img107.src   = 'img/menu107.gif';
        img108  =  new Image(); img108.src   = 'img/menu108.gif';
        img109  =  new Image(); img109.src   = 'img/menu109.gif';
        img110  =  new Image(); img110.src   = 'img/menu110.gif';
    }
}

function ChgImg(imgName,imgNum) {
    if (document.images) {
        document.images[imgName].src = eval(imgNum + '.src');
    }
}
function OpenMap() {
    if (window.open) {
        window.open('map.htm','Map','width=560,height=590,toolbar=no,location=no,directories=no,status=yes,menubar=yes,resizable=yes,scrollbars=no,left=100,top=30');
    }
}