function open_layer(layer,x,y){

  Xpos = document.body.scrollLeft+event.x;
  Ypos = document.body.scrollTop+event.y;
  layer = eval(layer);
  layer.style.left = Xpos + x;
  layer.style.top = Ypos + y;


}



function email_send(id,no){
  window.open("webmail.php?id="+id+"&no="+no,"WebMail","width=400,height=500,left=100,top=50");
}

function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}

browserName = navigator.appName;
browserVer = parseInt(navigator.appVersion);
if(browserName == "Netscape" && browserVer >= 3){ init = "net"; }
else { init = "ie"; }

function OnOff(name) {
if(((init == "net")&&(browserVer >=3))||((init == "ie")&&(browserVer >= 4))) {
 
  if(document.search[name].value=='on')
  { 
   document.search[name].value='off';
   ImgSrc=eval(name+"_off.src");
   document[name].src=ImgSrc;
  }
  else
  {
   document.search[name].value='on';
   ImgSrc=eval(name+"_on.src");
   document[name].src=ImgSrc;
  }
 }
}

function scale_ch(obj,action){
  rows = obj.rows;
  if(action == "up"){
    if(rows > 2) obj.rows = rows - 2;
  }else if(action == "down") obj.rows = rows + 2;
}

function cate_move(f,id){
  cate = f.category.value; 
  location.href = 'board.php?id='+id+'&category='+cate;
}
function img_pop2(img){  
  window.open('/include/img_pop2.php?img='+img,'',',left=100,top=100,height=600,width=700, scrollbars=yes');
}

function total_check(f,tot){
  for(i=0;i<tot;i++){
    chk_opt = eval("f.chk_"+i);
    if(f.total_chk.checked == true) chk_opt.checked = true;
    else chk_opt.checked = false;
  }
}

function muilty_del(f){
f.action = "muilty_del.php";
f.submit();
}