gazou=new Array(7); 
function set_img() { 
for (var i=0; i < gazou.length ; i++) {
gazou[i] = new Image();
}	
gazou[0].src = "button_images/button2_01.jpg"; 
gazou[1].src = "button_images/button2_02.jpg";
gazou[2].src = "button_images/button2_03.jpg";
gazou[3].src = "button_images/button2_04.jpg";
gazou[4].src = "button_images/button2_05.jpg";
gazou[5].src = "button_images/button2_06.gif";
gazou[6].src = "button_images/button2_07.gif";
}

function MM_jumpMenu(targ,selObj,restore){ //v3.0

  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");

  if (restore) selObj.selectedIndex=0;

}