function changeImg(obj, img_path){
	obj.src = img_path;
}


function getAge(year, month, date){
	var now = new Date();
	var age = now.getFullYear() - year - 1;
	if(month <= now.getMonth() + 1 && date <= now.getDate())
		age++;
	document.write(age);
}


function helpms(message){
	self.status = message;
	return true;
}


function gourl(parts){
	URL=parts.options[parts.selectedIndex].value;
	top.location=URL;
}


var param1;
var param2;
var param3;
function scrollMsg(target, msg, speed){
	msg = msg.substring(2,msg.length)+msg.substring(0,2);//左に2文字分スクロール
	target.value=msg;
	param1 = target;
	param2 = msg;
	param3 = speed;
	setTimeout("scrollMsg(param1, param2, param3)",speed);
}


function showBrowzerInfo(){
	document.write("あなたのブラウザは"+navigator.appName+""); 
	document.write(" Ver. "+navigator.appVersion+"です。"); 
}

function mailto(){
	addr1="dand";
	addr2="webma";
	addr3="ism.sak";
	addr4="e.jp";
	addr5="ster"
	addr6="ura.n";
	addr7="20@";
	location.href="mailto:"+addr2+addr5+addr7+addr1+addr3+addr6+addr4;
}

function mailsupport(){
	addr1="dand";
	addr2="sup";
	addr3="ism.sak";
	addr4="e.jp";
	addr5="po"
	addr6="ura.n";
	addr7="rt@";
	location.href="mailto:"+addr2+addr5+addr7+addr1+addr3+addr6+addr4;
}