/**
* @name:showopage with javascript 
* @revision:0.13final
* @rcsfile:showo_page.js
* @author:yezi(ҷ��)
* @date:2004/08/05 15:12:30 
* @qq:311673,icq:96240724,msn:ishows@msn.com,http://www.showo.com,http://www.54nb.com
*/
var url,re,currentpage,firstpageurl,prevpageurl,nextpageurl,lastpageurl,currpage,pagecount,prevpage,nextpage,pagestart,pageend,i,ipage;
   url=""+document.location;
   if (url.indexof("page=")==-1) {
     currpage=1;
   } 
   else {
     re=/(\s.*)(page=\d*)(\s.*|\s*)/g;   
     currentpage=url.replace(re,"$2"); 
     url=url.replace("&"+currentpage,""); 
     url=url.replace(currentpage+"&",""); 
     url=url.replace(currentpage,"");      
     currentpage=currentpage.replace("page=","")
     //var re=/(?:\s{1,}page=|\d.*)/g;   
     //var currentpage=url.replace(re,"");  
     //url=url.replace("&page="+currentpage,"");
     //url=url.replace("page="+currentpage+"&",""); 
     //url=url.replace("page="+currentpage,"");  
     currpage=checknum(currentpage,1)	 
   }      
   if (url.indexof("?")==-1) {
     url=url+"?";
   }  
   else {
     url=url+"&"; 
   }
   url=url.replace("?&","?");  
   url=url.replace("&&","&");
function checknum(str,num) {
  str=""+str;
  if (str.length>=1) {
    mynum=parseint(str);
    if (isnan(mynum)) {
      mynum=num;
    }
  }  
  else {
	mynum=num;
  } 	
  return (mynum);
}
function checkpage(ipagecount) {
  url=url+'&page='	
  url=url.replace("?&","?");
  url=url.replace("&&","&");
  ipage=document.iform.page.value;	 
  ipage=checknum(ipage,1)	
  if (ipage>ipagecount)	 {
	ipage=ipagecount;
  }
  else if (ipage<1)	 {
	ipage=1;
  }
  else {
    ipage=ipage;
  }	 
  document.iform.action=url+ipage;
  document.iform.submit();
}     
function showopage(tabstart,tabend,currpagefont1,currpagefont2,pagecountfont1,pagecountfont2,prepagefont1,prepagefont2,reccountfont1,reccountfont2,firstfont,prevfont,nextfont,lastfont,jump,pagenumfont1,pagenumfont2,pagenumfont3,pagenumfont4,linkfont1,linkfont2,linkfont3,linkfont4,reccount,recperpage,pagenum) {
  if (reccount%recperpage==0) {
    pagecount=reccount/recperpage;
  }
  else {
    pagecount=(parseint(reccount/recperpage)+1);
  }
  if (pagecount<=1) {
	pagecount=1
  }
  prevpage=parseint(currpage-1);
  if (prevpage<1) {
	prevpage=1;
  }
  nextpage=parseint(currpage+1)
  if (nextpage>pagecount) {
	nextpage=pagecount;
  }
  if (currpage<=1&&pagecount==1) {
    currpage=1;
	firstpageurl="&nbsp;"+linkfont3+firstfont+linkfont4+"&nbsp;";
	prevpageurl="&nbsp;"+linkfont3+prevfont+linkfont4+"&nbsp;";
	nextpageurl="&nbsp;"+linkfont3+nextfont+linkfont4+"&nbsp;";
    lastpageurl="&nbsp;"+linkfont3+lastfont+linkfont4+"&nbsp;";
  }
  else if (currpage<=1) {
    currpage=1;
	firstpageurl="&nbsp;"+linkfont3+firstfont+linkfont4+"&nbsp;";
	prevpageurl="&nbsp;"+linkfont3+prevfont+linkfont4+"&nbsp;";
	nextpageurl="&nbsp;<a href=\""+url+"page="+nextpage+"\">"+linkfont1+nextfont+linkfont2+"</a>&nbsp;";
    lastpageurl="&nbsp;<a href=\""+url+"page="+pagecount+"\">"+linkfont1+lastfont+linkfont2+"</a>&nbsp;";
  }
  else if (currpage>=pagecount) {
    currpage=pagecount;
	firstpageurl="&nbsp;<a href=\""+url+"page=1\">"+linkfont1+firstfont+linkfont2+"</a>&nbsp;";
	prevpageurl="&nbsp;<a href=\""+url+"page="+prevpage+"\">"+linkfont1+prevfont+linkfont2+"</a>&nbsp;";
	nextpageurl="&nbsp;"+linkfont3+nextfont+linkfont4+"&nbsp;";
    lastpageurl="&nbsp;"+linkfont3+lastfont+linkfont4+"&nbsp;";
  }	  
  else {
    currpage=currpage;	   
	firstpageurl="&nbsp;<a href=\""+url+"page=1\">"+linkfont1+firstfont+linkfont2+"</a>&nbsp;";
	prevpageurl="&nbsp;<a href=\""+url+"page="+prevpage+"\">"+linkfont1+prevfont+linkfont2+"</a>&nbsp;";
    nextpageurl="&nbsp;<a href=\""+url+"page="+nextpage+"\">"+linkfont1+nextfont+linkfont2+"</a>&nbsp;";
    lastpageurl="&nbsp;<a href=\""+url+"page="+pagecount+"\">"+linkfont1+lastfont+linkfont2+"</a>&nbsp;";
  }
  if (currpage-pagenum<=1) {
    pagestart=1;
  }
  else {
    pagestart=currpage-pagenum;
  }
  if (currpage+pagenum>=pagecount) {
    pageend=pagecount;
  }
  else {
    pageend=currpage+pagenum;
  }
  document.write ("<form method=\"post\" name=\"iform\" action=\""+url+"\" onsubmit=\"return checkpage("+pagecount+")\">"+tabstart);
  document.write (currpagefont1+currpage+currpagefont2+pagecountfont1+pagecount+pagecountfont2+prepagefont1);
  document.write (recperpage+prepagefont2+reccountfont1+reccount+reccountfont2+firstpageurl+prevpageurl);
  for (i=pagestart;i<=pageend;i++) {
    if (i==currpage) {
      document.write ("&nbsp;"+pagenumfont3+i+pagenumfont4+"&nbsp;");
    } 
    else {
	  document.write ("&nbsp;<a href=\""+url+"page="+i+"\">"+pagenumfont1+i+pagenumfont2+"</a>&nbsp;");
	}
  }
  document.write (nextpageurl+lastpageurl+jump);
  document.write (tabend+"</form>");  
}