<!--
  // 画像の事前読み込み
  var bgimg = new Array()
      bgimg[0] = new Image();bgimg[0].src='images/top/bg_base.png'
      bgimg[1] = new Image();bgimg[1].src='images/top/bg_base_orange.png'
      bgimg[2] = new Image();bgimg[2].src='images/top/bg_base_green.png'
      bgimg[3] = new Image();bgimg[3].src='images/top/bg_base_blue.png'
      bgimg[4] = new Image();bgimg[4].src='images/top/bg_base_pink.png'
      bgimg[5] = new Image();bgimg[5].src='images/top/bg_base_brown.png'
      bgimg[6] = new Image();bgimg[6].src='images/top/bg_base_gray.png'

  function setBGIMGoj(oj,image){ 
    if(document.getElementById)         //e5,e6,n6,n7,m1,o6,o7,s1用
      oj.backgroundImage = (image=='')?'':'url('+image+')'
    else if(document.all)               //e4用
      oj.backgroundImage='url('+image+')'
    else if(document.layers)            //n4用
      oj.background.src=(image=='')?null:image
  }

  //--layNameで指定したスタイルオブジェクトを返す
  //  (必ずonload後に実行すること)
  function getLayStyleOj(layName){  
    if(document.getElementById)         //e5,e6,n6,n7,m1,o6,o7,s1用
      return document.getElementById(layName).style
    else if(document.all)               //e4用
      return document.all(layName).style
    else if(document.layers)            //n4用
      return document.layers[layName]
  }
//-->