<!--

var allbtn = new Array(
"/common/img/btn_vision_over.gif",
"/common/img/btn_service_over.gif",
"/common/img/btn_recruit_over.gif",
"/common/img/btn_press_over.gif",
"/common/img/btn_ir_over.gif"
);
var kazu = allbtn.length;
var image=new Array();
for(var i =1; i <=kazu; i++){
var button = allbtn[i-1];
image[button] = new Image();
image[button].src = button;
}

//-->