var inmenu=false, lastmenu=0;
function showMenu(curr){
inmenu=true;
var oldmenu=lastmenu;
lastmenu='subcat'+curr;
if(oldmenu) hide(oldmenu);
var elm=document.getElementById('topcat'+curr);
var box=document.getElementById('subcat'+curr);
var isIE=elm.attachEvent ? true : false;
box.style.position='absolute';
if(isIE){
box.style.left=(elm.offsetLeft+60)+'px';
box.style.top=(elm.offsetTop-1)+'px';
}
else{
box.style.left=(elm.offsetLeft+60)+'px';
box.style.top=(elm.offsetTop-1)+'px';
}
box.style.display='block';
box.style.width='187px';
}
function hide(curr){
if(inmenu && lastmenu==curr) return;
var box=document.getElementById(curr);
box.style.display='none';
}
function hideTimeout(curr){
inmenu=false;
window.setTimeout('hide("subcat'+curr+'")',600);
}
function submenuIn(curr){
inmenu=true;
lastmenu='subcat'+curr;
}
function submenuOut(curr){
window.hideTimeout(curr);
}
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_validateForm() { //v4.0
  var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm.arguments;
  for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; val=MM_findObj(args[i]);
    if (val) { nm=val.name; if ((val=val.value)!="") {
      if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');
        if (p<1 || p==(val.length-1)) errors+='- '+nm+' must contain an e-mail address.\n';
      } else if (test!='R') { num = parseFloat(val);
        if (isNaN(val)) errors+='- '+nm+' must contain a number.\n';
        if (test.indexOf('inRange') != -1) { p=test.indexOf(':');
          min=test.substring(8,p); max=test.substring(p+1);
          if (num<min || max<num) errors+='- '+nm+' must contain a number between '+min+' and '+max+'.\n';
    } } } else if (test.charAt(0) == 'R') errors += '- '+nm+' is required.\n'; }
  } if (errors) alert('The following error(s) occurred:\n'+errors);
  document.MM_returnValue = (errors == '');
}