function open_win(url,name,width,height,scroll)
{
  var Left_size = (screen.width) ? (screen.width-width)/2 : 0;
  var Top_size = (screen.height) ? (screen.height-height)/2 : 0;
  var open_win=window.open(url,name,'width=' + width + ',height=' + height + ',left=' + Left_size + ',top=' + Top_size + ',toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=' + scroll + ',resizable=no' );
}
function view(url)
{
window.open(url,"","Width=500,Height=400,toolbar=no");
}
function ShowPage(TotalPage,topage,url){
if (topage<6){PageLong=11-topage;}
else
if (TotalPage-topage<6){PageLong=10-(TotalPage-topage)}
else{PageLong=5;}

for (var i=1; i <= TotalPage; i++) {
if (i < topage+PageLong && i > topage-PageLong || i==1 || i==TotalPage){
if (topage==i){document.write(" "+ i +" ");}else{document.write(" <a href=?topage="+i+url+">"+ i +"</a> ");}
}
}
}