if(document.images) {
 var imgs = new Array();
 imgs[0] = new Image();  imgs[0].src = "images/m_home_1.gif"; 
 imgs[1] = new Image();  imgs[1].src = "images/m_home_2.gif";
 imgs[2] = new Image();  imgs[2].src = "images/m_natural_nigari_1.gif"; 
 imgs[3] = new Image();  imgs[3].src = "images/m_natural_nigari_2.gif";
 imgs[4] = new Image();  imgs[4].src = "images/m_how_nigari_is_made_1.gif";
 imgs[5] = new Image();  imgs[5].src = "images/m_how_nigari_is_made_2.gif";
 imgs[6] = new Image();  imgs[6].src = "images/m_how_to_choose_nigari_1.gif";
 imgs[7] = new Image();  imgs[7].src = "images/m_how_to_choose_nigari_2.gif";
 imgs[8] = new Image();  imgs[8].src = "images/m_kameyamados_nigari_1.gif";
 imgs[9] = new Image();  imgs[9].src = "images/m_kameyamados_nigari_2.gif";
 imgs[10] = new Image();  imgs[10].src = "images/m_how_to_use_nigari_1.gif"; 
 imgs[11] = new Image();  imgs[11].src = "images/m_how_to_use_nigari_2.gif"; 
 imgs[12] = new Image();  imgs[12].src = "images/m_skincare_1.gif"; 
 imgs[13] = new Image();  imgs[13].src = "images/m_skincare_2.gif"; 
 imgs[14] = new Image();  imgs[14].src = "images/m_cooking_with_nigari_1.gif"; 
 imgs[15] = new Image();  imgs[15].src = "images/m_cooking_with_nigari_2.gif"; 
 imgs[16] = new Image();  imgs[16].src = "images/m_how_to_make_tofu_1.gif"; 
 imgs[17] = new Image();  imgs[17].src = "images/m_how_to_make_tofu_2.gif"; 
 imgs[18] = new Image();  imgs[18].src = "images/m_nigari_mineral_water_1.gif"; 
 imgs[19] = new Image();  imgs[19].src = "images/m_nigari_mineral_water_2.gif";
 imgs[20] = new Image();  imgs[20].src = "images/m_mineral_deposits_1.gif"; 
 imgs[21] = new Image();  imgs[21].src = "images/m_mineral_deposits_2.gif"; 
 imgs[22] = new Image();  imgs[22].src = "images/m_products_1.gif"; 
 imgs[23] = new Image();  imgs[23].src = "images/m_products_2.gif"; 
 imgs[24] = new Image();  imgs[24].src = "images/m_nigari_in_the_news_1.gif"; 
 imgs[25] = new Image();  imgs[25].src = "images/m_nigari_in_the_news_2.gif"; 
 imgs[26] = new Image();  imgs[26].src = "images/m_contactus_1.gif"; 
 imgs[27] = new Image();  imgs[27].src = "images/m_contactus_2.gif"; 
}
function rollOver(id, imgname) {
document.images[id].src = imgs[imgname].src;
}