function ranImg(){
var img=new Array()

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img[0]="<a href=\"products/maker/index.html\"><img src=\"img/top_en.jpg\" border=\"0\" width=\"489\" height=\"220\" alt=\"LASER MARKER Environment Cautious Inventive Technology\"></a>"
img[1]="<a href=\"products/laser/index.html\"><img src=\"img/top_en01.jpg\" border=\"0\" width=\"489\" height=\"220\" alt=\"LASER WELDERS The highest welding technology which welds our dreams to the futures\"></a>"
img[2]="<a href=\"products/finespotwelders/index.html\"><img src=\"img/top_en02.jpg\" border=\"0\" width=\"489\" height=\"220\" alt=\"FINE SPOT WELDERS Innovative technology which contributes to a variety of processing\"></a>"


var r=Math.floor(Math.random()*img.length)
document.write(img[r]);}