// JavaScript Document

function shuffleRecommend(recoNum){
	
	var recoArray = new Array();
	for(var l = 0; l < recoNum; l++){
		recoArray.push(l);
	}
	
	var i = recoArray.length;
	while(i--) {
		var j = Math.floor(Math.random()*(i + 1));
		var k = recoArray[i];
		recoArray[i] = recoArray[j];
		recoArray[j] = k;
	}
	
	var recommendShow0 = "recommendBox" + recoArray[0].toString();
	document.getElementById(recommendShow0).style.display = "block";
	var recommendShow1 = "recommendBox" + recoArray[1].toString();
	document.getElementById(recommendShow1).style.display = "block";
}