var mapimg = new Array(7);
mapimg[0] = 'http://www.promotool.jp/images/top/top_menu_box.jpg';
mapimg[1] = 'http://www.promotool.jp/images/top/top_menu_box1.jpg';
mapimg[2] = 'http://www.promotool.jp/images/top/top_menu_box2.jpg';
mapimg[3] = 'http://www.promotool.jp/images/top/top_menu_box3.jpg';
mapimg[4] = 'http://www.promotool.jp/images/top/top_menu_box4.jpg';
mapimg[5] = 'http://www.promotool.jp/images/top/top_menu_box5.jpg';
mapimg[6] = 'http://www.promotool.jp/images/top/top_menu_box6.jpg';

function mapover() {
	document.getElementById('link1').onmouseover = function() {
		document.getElementById('Map').src = mapimg[1];
	}
	document.getElementById('link1').onmouseout = function() {
		document.getElementById('Map').src = mapimg[0];
	}
	document.getElementById('link1').onclick = function() {
		document.getElementById('Map').src = mapimg[0];
	}
	document.getElementById('link2').onmouseover = function() {
		document.getElementById('Map').src = mapimg[2];
	}
	document.getElementById('link2').onmouseout = function() {
		document.getElementById('Map').src = mapimg[0];
	}
	document.getElementById('link2').onclick = function() {
		document.getElementById('Map').src = mapimg[0];
	}
	document.getElementById('link3').onmouseover = function() {
		document.getElementById('Map').src = mapimg[3];
	}
	document.getElementById('link3').onmouseout = function() {
		document.getElementById('Map').src = mapimg[0];
	}
	document.getElementById('link3').onclick = function() {
		document.getElementById('Map').src = mapimg[0];
	}
	document.getElementById('link4').onmouseover = function() {
		document.getElementById('Map').src = mapimg[4];
	}
	document.getElementById('link4').onmouseout = function() {
		document.getElementById('Map').src = mapimg[0];
	}
	document.getElementById('link4').onclick = function() {
		document.getElementById('Map').src = mapimg[0];
	}
	document.getElementById('link5').onmouseover = function() {
		document.getElementById('Map').src = mapimg[5];
	}
	document.getElementById('link5').onmouseout = function() {
		document.getElementById('Map').src = mapimg[0];
	}
	document.getElementById('link5').onclick = function() {
		document.getElementById('Map').src = mapimg[0];
	}
	document.getElementById('link6').onmouseover = function() {
		document.getElementById('Map').src = mapimg[6];
	}
	document.getElementById('link6').onmouseout = function() {
		document.getElementById('Map').src = mapimg[0];
	}
	document.getElementById('link6').onclick = function() {
		document.getElementById('Map').src = mapimg[0];
	}
}

if(window.addEventListener) {
	window.addEventListener("load",mapover,false);
} else if(window.attachEvent) {
	window.attachEvent("onload",mapover);
}