var   hkey_root,hkey_path,hkey_key   
  hkey_root="HKEY_CURRENT_USER"   
  hkey_path="\\Software\\Microsoft\\Internet Explorer\\PageSetup\\"   
  //设置网页打印的页眉页脚为空   
  function   pagesetup_null()   
  {   
      try{   
          var   RegWsh   =   new   ActiveXObject("WScript.Shell")   
          hkey_key="header"           
          RegWsh.RegWrite(hkey_root+hkey_path+hkey_key,"")   
          hkey_key="footer"   
          RegWsh.RegWrite(hkey_root+hkey_path+hkey_key,"")   
      }catch(e){}   
  }   
  //设置网页打印的页眉页脚为默认值   
  function   pagesetup_default()   
  {   
      try{   
          var   RegWsh   =   new   ActiveXObject("WScript.Shell")   
          hkey_key="header"           
          RegWsh.RegWrite(hkey_root+hkey_path+hkey_key,"&w&b页码，&p/&P")   
          hkey_key="footer"   
          RegWsh.RegWrite(hkey_root+hkey_path+hkey_key,"&u&b&d")
      }catch(e){}   
  }   
   


function doPrint() {
bdhtml=window.document.body.innerHTML;
sprnstr="<!--startprint-->";
eprnstr="<!--endprint-->";
prnhtml=bdhtml.substr(bdhtml.indexOf(sprnstr)+17);
prnhtml=prnhtml.substring(0,prnhtml.indexOf(eprnstr));
window.document.body.innerHTML=prnhtml;
window.print();
}


function doPreview() 
{
bdhtml=window.document.body.innerHTML;
sprnstr="<!--startprint-->";
eprnstr="<!--endprint-->";
prnhtml=bdhtml.substr(bdhtml.indexOf(sprnstr)+17);
prnhtml=prnhtml.substring(0,prnhtml.indexOf(eprnstr));
window.document.body.innerHTML=prnhtml;
window.ExecWB(7,1);
}
function doPrintx(i) {
bdhtml=window.document.body.innerHTML;
sprnstr="<!--startprint"+i+"-->";
eprnstr="<!--endprint"+i+"-->";
prnhtml=bdhtml.substr(bdhtml.indexOf(sprnstr)+17);
prnhtml=prnhtml.substring(0,prnhtml.indexOf(eprnstr));
window.document.body.innerHTML=prnhtml;
window.print();
}
function doPreviewx(i) 
{
bdhtml=window.document.body.innerHTML;
sprnstr="<!--startprint"+i+"-->";
eprnstr="<!--endprint"+i+"-->";
prnhtml=bdhtml.substr(bdhtml.indexOf(sprnstr)+17);
prnhtml=prnhtml.substring(0,prnhtml.indexOf(eprnstr));
window.document.body.innerHTML=prnhtml;
window.ExecWB(7,1);
}