/*画像切り替え*/
function swImg(iName,str)
{
	document.images[iName].src = str;
}

/*画像先読み*/
new Image().src = "./img/index-den_menu_01_over.gif";
new Image().src = "./img/index-den_menu_02_over.gif";
new Image().src = "./img/index-den_menu_03_over.gif";
new Image().src = "./img/index-den_menu_04_over.gif";
new Image().src = "./img/index-den_menu_05_over.gif";
new Image().src = "./img/index-hana_menu_01_over.gif";
new Image().src = "./img/index-hana_menu_02_over.gif";
new Image().src = "./img/index-hana_menu_03_over.gif";
new Image().src = "./img/index-hana_menu_04_over.gif";
new Image().src = "./img/index-hana_menu_05_over.gif";
new Image().src = "./img/index-hana_menu_06_over.gif";
new Image().src = "./img/index-hana_menu_07_over.gif";