var img_name = new Array();
img_name[0] = "nav1_on.png";
img_name[1] = "nav2_on.jpg";
img_name[2] = "nav3_on.jpg";
img_name[3] = "nav4_on.jpg";
img_name[4] = "nav5_on.jpg";
img_name[5] = "nav6_on.jpg";
img_name[6] = "nav7_on.jpg";

var img = new Array();
for (var i=0; i < img_name.length ; i++) {
img[i] = new Image();
img[i].src = "/edge/cmn/images/teikei_headerImg/" + img_name[i];
}
function edge_head_mouse(id_name,kind)
{
	if( !document.getElementById(id_name) ) {return;}

	if( kind == "on" ) {
		var file_name_end = "_on.jpg";
	} else if( kind == "out" ) {
		var file_name_end = ".jpg";
	} else {
		return;
	}
	var image_name = "/edge/cmn/images/teikei_headerImg/" + id_name + file_name_end;
	document.getElementById(id_name).src = image_name;
	return;
}