if(window.addEventListener){ //for W3C DOM
	window.addEventListener("load", smartLinkFromPc, false);
}else if(window.attachEvent){ //for IE
	window.attachEvent("onload", smartLinkFromPc);
}else{
	window.onload = smartLinkFromPc;
}

function smartLinkFromPc(){
	if(navigator.userAgent.match(/(iPhone|iPod|Android|dream|CUPCAKE|blackberry|webOS|incognito|webmate)/i)){
		document.getElementById("linkToSmartPhone").innerHTML =
			'<a href="/smart/"><p>スマートフォンサイトはこちら</p></a>';
	}
}