function MapImg1(){
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}
function MapImg2(){
    document.img_01.src="http://www.navi-lasik.com/images/top/map_hokkaido_on.gif";
}

function MapImg3(){
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}
function MapImg4(){
    document.img_02.src="http://www.navi-lasik.com/images/top/map_tokyo_on.gif";
}

function MapImg5(){
    document.img_03.src="http://www.navi-lasik.com/images/top/map_osaka.gif";
}
function MapImg6(){
    document.img_03.src="http://www.navi-lasik.com/images/top/map_osaka_on.gif";
}

function MapImg7(){
    document.img_04.src="http://www.navi-lasik.com/images/top/map_hukuoka.gif";
}
function MapImg8(){
    document.img_04.src="http://www.navi-lasik.com/images/top/map_hukuoka_on.gif";
}

function MapImg9(){
    document.img_05.src="http://www.navi-lasik.com/images/top/map_aichi.gif";
}
function MapImg10(){
    document.img_05.src="http://www.navi-lasik.com/images/top/map_aichi_on.gif";
}

function MapImg11(){
    document.img_06.src="http://www.navi-lasik.com/images/top/map_hyogo.gif";
}
function MapImg12(){
    document.img_06.src="http://www.navi-lasik.com/images/top/map_hyogo_on.gif";
}