var nowPageUrl = window.location+'';



var nNowPage=1;



var nMaxPage=1;



function GetNoNowpageArgUrl()

{

   var pattern = /^(.*)(\#|\?|\&)p=(\d*)(\&?)(.*)$/i;

   var pattern2 =/^(.*)(\#|\?)(.*)$/i

   var result = nowPageUrl.match(pattern);

   if (result!=null)

  {

nNowPage = result[3];

if (result[2] == '?' || result[2] == '#')

{

   if (result[4]=="")

  {

var newUrl = result[1]+result[2];

  } else {

var newUrl = result[1]+result[2]+result[5]+"\&";

  }

} else {

   if (result[5]=="")

  {

var newUrl = result[1]+"\&";

  } else {

var newUrl = result[1]+"\&"+result[5]+"\&";

  }

}

  } else {

var result2 = nowPageUrl.match(pattern2);

if (result2==null)

{

   var newUrl = nowPageUrl + "\?";

} else {

   if (result2[3]=="")

  {

var newUrl = result2[1]+result2[2];

  } else {

var newUrl = result2[1]+result2[2]+result2[3] + "\&";

  }

}

  }

   return newUrl;

}



var nNewUrl = GetNoNowpageArgUrl();



function jump(nStart)

{

nStart = nStart-1+1;

if (!nStart || nStart==NaN || nStart=="" || nStart == null) return;

if (nStart > nMaxPage) return;

if (nStart < 1) return;

if (nStart == nNowPage) return;

window.location = nNewUrl + "p=" + nStart

}



function upPage()

{

if (nNowPage<=1) return;

var nStart=nNowPage-1;

jump(nStart);

}



function downPage()

{

if (nNowPage>=nMaxPage) return;

var nStart=nNowPage-1+2;

jump(nStart);

}



function firstPage()

{

if (nNowPage<=1) return;

var nStart=1;

jump(nStart);

}



function lastPage()

{

if (nNowPage>=nMaxPage) return;

var nStart=nMaxPage;

jump(nStart);

}



function writeCleftPage(nMaxNumber,nPageNumber,nStyle)

{

   if (nPageNumber==0 || nPageNumber==null)

  {

nPageNumber = 1;

  }

   

   nMaxPage = Math.ceil( nMaxNumber / nPageNumber );

   var nStartNumber = nNowPage*nPageNumber-nPageNumber+1;



   if (nNowPage==nMaxPage)

  {

var nOverNumber = nMaxNumber;

  } else {

var nOverNumber = nNowPage*nPageNumber;

  }

   var writeStr = GetCleftPage(nMaxNumber,nPageNumber,nNowPage,nMaxPage,nStartNumber,nOverNumber,nStyle);



   document.writeln(writeStr);

}





function GetCleftPageStyle(s)

{

   var style = new Array();



   style[0] = ' ';



   style[1] = ' ';



   s = style[s] ? s : 0 ;



   return style[s];

}



function GetCleftPage(nMaxNumber,nPageNumber,nNowPage,nMaxPage,nStartNumber,nOverNumber,nStyle)

{

   var style = GetCleftPageStyle(nStyle)



   var nEchoString = '<div class="pg_box">'


  + '<span>A total of ' + nMaxNumber + '  records</span>'


   
   

   var nBeginPage = nNowPage-3;

   if (nBeginPage < 1)

  {

nBeginPage = 1;

  }

   

   var nEndPage = nBeginPage+6;

   if (nEndPage > nMaxPage)

{

   nEndPage = nMaxPage;

}

   nBeginPage = nEndPage-6;

   if (nBeginPage < 1)

  {

nBeginPage = 1;

  }

   for (var j = nBeginPage; j <= nEndPage ; j++)

{

   if (j == nBeginPage && nNowPage != 1)

  {

nEchoString += '<span onclick="upPage()" class="span_on"> Previous </span>'

  }

   if (j == nNowPage)

  {

nEchoString += '<span> <b>' + j + '</b> </span>'

  } else {


nEchoString += '<a href="' + nNewUrl + 'p=' + j + '"> ' + j + ' </a>'

  }

   if (j == nEndPage && nNowPage != nMaxPage)

  {

nEchoString += '<span onclick="downPage()" class="span_on"> next </span>'



  }

}

nEchoString += '</div>';

   

   return style + nEchoString;

}