function createImages() {
	var img = [];
	img[0] = {img_s : "common/img/img_top_blu-ray.jpg", img_l : "common/img/img_top4.jpg", url : "activity/product/blu-ray_01.html"};
	img[1] = {img_s : "common/img/img_top_vaio.jpg", img_l : "common/img/img_top6.jpg" , url : "activity/product/vaio_01.html"};
	var tg1 = document.getElementById("large");
	var tg2 = document.getElementById("small");
	var array = shuffle(img);
	var str = "<img src='" + array[0].img_l + "'>";
	//tg1.style.display = "block";
	tg1.innerHTML = str;
	tg1.setAttribute("href", array[0].url);
	var str2 = "<img src='" + array[1].img_s + "'>";
	//tg2.style.display = "block";
	tg2.innerHTML = str2;
	tg2.setAttribute("href", array[1].url);
}

function shuffle(arr) {
    var i = arr.length;
    while(i){
        var j = Math.floor(Math.random()*i);
        var t = arr[--i];
        arr[i] = arr[j];
        arr[j] = t;
    }
    return arr;
}

/*function createImage3()
{	
	var img = new Array();
	img[0] = img : "common/img/img_top_blu-ray.jpg", url : "activity/product/blu-ray_01.html";
	img[1] = img : "common/img/img_top_walkman.jpg", url : "activity/product/walkman_01.html";
	rnd = (Math.random() * 10000000000000) % 2 >> 0;
	//rnd = Math.floor(Math.random() * img.length);
	var tg = document.getElementById("small");
	var str = "<img src='" + arrya[rnd].img + "'>";
		//document.write("<img src='",img[rnd],"'>");
	//tg.style.display = "block";
	tg.innerHTML = str;
	tg.setAttribute("href",arrya[rnd].url);
}*/

function createImage2()
{	
	var img = new Array();
	img[0] = "common/img/img_top_history.jpg";
	var url = new Array();
	url[0] = "history/index.html";
	rnd = (Math.random() * 10000000000000) % 1 >> 0;
	var tg = document.getElementById("small");
	var str = "<img src='" + img[rnd] + "'>";
	tg.setAttribute("href", url[rnd]);
	tg.innerHTML = str;
}

function createImage3()
{	
	var img = new Array();
	img[0] = "common/img/img_top_if-design.jpg";
	img[1] = "common/img/img_top_reddot.jpg";
	var url = new Array();
	url[0] = "awards/if_design.html";
	url[1] = "awards/reddot_design.html";
	rnd = (Math.random() * 10000000000000) % 2 >> 0;
	var tg = document.getElementById("small2");
	var str = "<a href='" + url[rnd] + "'><img src='" + img[rnd] + "'>";
	//tg.setAttribute("href", url[rnd]);
	tg.innerHTML = str;
}