data = new Array("js/image/head_menu_bg.gif",
"js/image/head_menu_01_2.gif",
"js/image/head_menu_02_2.gif",
"js/image/head_menu_03_2.gif",
"js/image/head_menu_04_2.gif",
"js/image/head_menu_05_2.gif",
"js/image/head_menu_06_2.gif",
"js/image/head_menu_07_2.gif",
"js/image/head_menu_08_2.gif",
"js/image/head_menu_09_2.gif",
"js/image/head_menu_10_2.gif",
"js/image/head_menu_11_2.gif",
"js/image/head_menu_12_2.gif");

/* image add start */

prImg= new Array();
for (i=0; i<data.length; i++)
{
 prImg[i] = new Image();
 prImg[i].src = data[i];
}