// for dateindex areaMap script - Copyrihgt rentame (http://www.rentame.jp/)
// Last updated: 200801106

function changebackNN(id,bg){
	if(document.layers){
		document.layers[id].bgColor=bg;
	}
	if(document.all){
		document.all[id].style.backgroundColor=bg;
	}
	if(!document.all&&document.getElementById){
		document.getElementById(id).style.backgroundColor=bg;
	}
}

function changebackimageNN(id,img){
	if(document.layers){
		document.layers[id].background.src=img;
	}
	if(document.all){
		document.all[id].style.backgroundImage="url("+img+")";
	}
	if(!document.all&&document.getElementById){
		document.getElementById(id).style.backgroundImage="url("+img+")";
	}
}