function rover01(name, state){
		var imgsrc="common/image/"+name+"_"+state+".jpg";
		document[name].src=imgsrc;
}

function rover02(name, state){
		var imgsrc="../common/image/"+name+"_"+state+".jpg";
		document[name].src=imgsrc;
}

function rover03(name, state){
		var imgsrc="../../common/image/"+name+"_"+state+".jpg";
		document[name].src=imgsrc;
}