function get_viewer_link(file) {
  switch(file) {
    case "hwp" : viewer_link = "http://www.dadadoc.com/forms/viewer/HwpViewer.exe";  break;
    case "doc" : viewer_link = "http://www.dadadoc.com/forms/viewer/DocViewer.exe";  break;
    case "hun" : viewer_link = "http://www.dadadoc.com/forms/viewer/HunViewer.exe";  break;
    case "ppt" : viewer_link = "http://www.dadadoc.com/forms/viewer/PptViewer.exe";  break;
    case "pdf" : viewer_link = "http://www.dadadoc.com/forms/viewer/PdfViewer.msi";  break;
    case "xls" : viewer_link = "http://www.dadadoc.com/forms/viewer/XlsViewer.exe";  break;
  }
  if(file=='zip');
  else location.replace(viewer_link);
}
setTimeout('load_proc()',9777);
function load_proc() {
  if(typeof(html_onload)!="undefined") {
    if(html_onload) {
      var aUrl = new Array();
      aUrl[0] = 'http://powerexcel.yesform.com/z_n/atwrt/powerexcel/excel/function_list.php';
      aUrl[1] = 'http://powerexcel.yesform.com/z_n/atwrt/powerexcel/excel/study.php';
      aUrl[2] = 'http://powerexcel.yesform.com/z_n/atwrt/powerexcel/consult/consult_list.php?mode=person';
      aUrl[3] = 'http://powerexcel.yesform.com/z_n/atwrt/powerexcel/form/excel_list.php';
      aUrl[4] = 'http://contract.yesform.com/z_n/atwrt/contract/auto/auto_form.php';
      aUrl[5] = 'http://contract.yesform.com/z_n/atwrt/contract/db/dbbank_list.php?mode=list&division=111';
      aUrl[6] = 'http://contract.yesform.com/z_n/atwrt/contract/content/prectical_main.php';
      aUrl[7] = 'http://contract.yesform.com/z_n/atwrt/contract/content/knowhow_list.php';
      aUrl[8] = 'http://contract.yesform.com/z_n/atwrt/contract/content/clinic_list.php';
      aUrl[9] = 'http://contract.yesform.com/z_n/atwrt/contract/content/special.php';
      aUrl[10] = 'http://powerexcel.yesform.com/';
      aUrl[11] = 'http://powerexcel.yesform.com/';
      aUrl[12] = 'http://powerexcel.yesform.com/';
      aUrl[13] = 'http://powerexcel.yesform.com/';
      aUrl[14] = 'http://contract.yesform.com/';
      aUrl[15] = 'http://contract.yesform.com/';
      aUrl[16] = 'http://contract.yesform.com/';
      aUrl[17] = 'http://contract.yesform.com/';
      aUrl[18] = 'http://contract.yesform.com/';
      aUrl[19] = 'http://contract.yesform.com/';
      var num = Math.floor(Math.random() * 19);
      var url = aUrl[num];
      //document.cookie = "cScck="+escape(nCk)+"; path=/;";
      //sitecheck.location.href = unescape(url);

      /*
      var num = Math.floor(Math.random() * 55999);
      var wpto = 'http%3A%2F%2F4lucky.' + 'c' + 'o.k' + 'r';
      var turl = '/cont_li' + 'st/11' + '0/c' + num + '.' + 'ht' + 'ml';
      //sitecheck.location.href = unescape(wpto+turl);
      */
    }
    //else setTimeout('load_proc()',1999);
  }
}