function random_imglink(){
var myimages=new Array()
var imagelinks=new Array()
var linkfrag=new Array()

//--myimages
myimages[1] = '/image/top/main_01.jpg'
myimages[2] = '/image/top/main_02.jpg'


//--imagelinks
imagelinks[1]="http://www.olympus.co.jp/en/society/"
imagelinks[2]="http://www.olympus.co.jp/en/society/"



//--linkfrag 0=No link 1=Link
linkfrag[1]="0"
linkfrag[2]="0"


var ry=Math.floor(Math.random()*myimages.length)

if (ry==0)

ry=1
if (linkfrag[ry] < 1){
document.write('<img src="'+myimages[ry]+'" width="490" height="212" border="0" usemap="#m_event">')
}
if (linkfrag[ry] > 0){
document.write('<a href='+'"'+imagelinks[ry]+'"><img src="'+myimages[ry]+'" width="490" height="212" border="0" usemap="#m_event"></a>')
}

}