function FP_changeProp() {//v1.0
 var args=arguments,d=document,i,j,id=args[0],o=FP_getObjectByID(id),s,ao,v,x;
 d.$cpe=new Array(); if(o) for(i=2; i<args.length; i+=2) { v=args[i+1]; s="o";
 ao=args[i].split("."); for(j=0; j<ao.length; j++) { s+="."+ao[j]; if(null==eval(s)) {
  s=null; break; } } x=new Object; x.o=o; x.n=new Array(); x.v=new Array();
 x.n[x.n.length]=s; eval("x.v[x.v.length]="+s); d.$cpe[d.$cpe.length]=x;
 if(s) eval(s+"=v"); }
}

function FP_getObjectByID(id,o) {//v1.0
 var c,el,els,f,m,n; if(!o)o=document; if(o.getElementById) el=o.getElementById(id);
 else if(o.layers) c=o.layers; else if(o.all) el=o.all[id]; if(el) return el;
 if(o.id==id || o.name==id) return o; if(o.childNodes) c=o.childNodes; if(c)
 for(n=0; n<c.length; n++) { el=FP_getObjectByID(id,c[n]); if(el) return el; }
 f=o.forms; if(f) for(n=0; n<f.length; n++) { els=f[n].elements;
 for(m=0; m<els.length; m++){ el=FP_getObjectByID(id,els[n]); if(el) return el; } }
 return null;
}
function show_login_form() {
  FP_changeProp(/*id*/'login_form',0,'style.height','100px');
  FP_changeProp(/*id*/'login_form',0,'style.visibility','visible');
}
function hide_login_form() {
  FP_changeProp(/*id*/'login_form',0,'style.height','0px');
  FP_changeProp(/*id*/'login_form',0,'style.visibility','hidden');
}
function show_next_f(id) {
  FP_changeProp(/*id*/'f'+id,0,'style.position','relative');
  FP_changeProp(/*id*/'f'+id,0,'style.height','20px');
  FP_changeProp(/*id*/'f'+id,0,'style.visibility','visible');
}

function confirm_url(URL, ATT_MESS) {
  if (confirm(ATT_MESS))
 {
   PHREF=URL;
   setTimeout('document.location.href=PHREF', 0000);
 }
}

function checkbox_check() {
    var elems = document.getElementsByTagName('input');
    for (var i = 0; i < elems.length; i++) {
        if (elems[i].type == 'checkbox') {
            elems[i].checked = true;
        }
    }

    return false;
}

function checkbox_uncheck() {
    var elems = document.getElementsByTagName('input');
    for (var i = 0; i < elems.length; i++) {
        if (elems[i].type == 'checkbox') {
            elems[i].checked = false;
        }
    }

    return false;
}