// キービジュアルランダム

// img
var keySrc = new Array(
			"/english/img/keyVisual-1.jpg",
			"/english/img/keyVisual-2.jpg",
			"/english/img/keyVisual-3.jpg"
			);

// alt
var keyAlt = new Array(
			"The Power of Forests Empowers the Future.",
			"The Power of Forests Empowers the Future.",
			"The Power of Forests Empowers the Future."
			);

function randomkeyImg(){
	nKey = Math.round(Math.random()*(keySrc.length-1));
	keyImg = '<img src="'+keySrc[nKey]+'" alt="'+keyAlt[nKey]+'" width="760" height="290">';
	document.write(keyImg)	;																																												
}