function random_imglink(){
	var myimages=new Array()
		myimages[1]="../images/index/topics/top001.jpg"
		myimages[2]="../images/index/topics/top002.jpg"
		myimages[3]="../images/index/topics/top003.jpg"
		myimages[4]="../images/index/topics/top004.jpg"
		myimages[5]="../images/index/topics/top005.jpg"
		myimages[6]="../images/index/topics/le_re.jpg"
		myimages[7]="../images/index/topics/auto_c_bn.jpg"

	var imagelinks=new Array()
		imagelinks[1]="../topics/topics001.php"
		imagelinks[2]="../topics/topics002.php"
		imagelinks[3]="../topics/003/topics003.php"
		imagelinks[4]="../topics/004/topics004.php"
		imagelinks[5]="../topics/005/topics005.php"
		imagelinks[6]="../topics/006/topics006.php"
		imagelinks[7]="../topics/007/topics007.php"

	var ry=Math.floor(Math.random()*myimages.length)
	if (ry==0)
	ry=1
	document.write('<a href='+'"'+imagelinks[ry]+'"'+'><img src="'+myimages[ry]+'" border=0 /></a>')
}