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_nbGroup(event, grpName) { //v6.0
var i,img,nbArr,args=MM_nbGroup.arguments;
  if (event == "init" && args.length > 2) {
    if ((img = MM_findObj(args[2])) != null && !img.MM_init) {
      img.MM_init = true; img.MM_up = args[3]; img.MM_dn = img.src;
      if ((nbArr = document[grpName]) == null) nbArr = document[grpName] = new Array();
      nbArr[nbArr.length] = img;
      for (i=4; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
        if (!img.MM_up) img.MM_up = img.src;
        img.src = img.MM_dn = args[i+1];
        nbArr[nbArr.length] = img;
    } }
  } else if (event == "over") {
    document.MM_nbOver = nbArr = new Array();
    for (i=1; i < args.length-1; i+=3) if ((img = MM_findObj(args[i])) != null) {
      if (!img.MM_up) img.MM_up = img.src;
      img.src = (img.MM_dn && args[i+2]) ? args[i+2] : ((args[i+1])?args[i+1] : img.MM_up);
      nbArr[nbArr.length] = img;
    }
  } else if (event == "out" ) {
    for (i=0; i < document.MM_nbOver.length; i++) { img = document.MM_nbOver[i]; img.src = (img.MM_dn) ? img.MM_dn : img.MM_up; }
	MM_displayStatusMsg('');
  } else if (event == "down") {
    nbArr = document[grpName];
    if (nbArr) for (i=0; i < nbArr.length; i++) { img=nbArr[i]; img.src = img.MM_up; img.MM_dn = 0; }
    document[grpName] = nbArr = new Array();
    for (i=2; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
      if (!img.MM_up) img.MM_up = img.src;
      img.src = img.MM_dn = (args[i+1])? args[i+1] : img.MM_up;
      nbArr[nbArr.length] = img;
  } }
}

function MM_preloadImages() { //v3.0
 var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
   var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
   if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function showsection(id) {
 var obj=MM_findObj(id);
 obj.style.display = ((obj.style.display=='none') ? 'block' : 'none');
}

function reformat(elm) {
	// zmenime ciarku na bodku...
	v=elm.value.replace(',', '.');
	v=parseFloat(v);
	w=Math.floor(v);
	f=Math.round((v-w)*Math.pow(10, 2));
	if (f==0) { v=w+'.00'; } else { if (f<10) { f=f+'0'; } v=(w+'.'+f); }
	if (isNaN(v)) { v=''; }
	elm.value=v;
}
function checkMail(e) {
	var retVal=false;
	if (e.value!='') {
		var re = /^.+@.+\..+$/
		retVal = re.test(e.value);
		if (retVal==true) { return true; }
	}
	e.value = ''; e.select(); e.focus(); alert ("Zadajte platnú e-mailovú adresu"); return false;
}
function checkItem(i, txt) {
	if (i.type=='text' || i.type=='hidden') {
		if (i.value=='') {
			i.select(); i.focus(); if (txt) alert (txt); return false;
		}
		if (i.name=='mail' || i.name=='email') {
			if (checkMail(i)==false) return false;
		}
	} else {
		if (i.type=='select-one') {
			if (i.options[i.selectedIndex].value=='' || i.options[i.selectedIndex].value==0) {
				i.focus(); alert (txt); return false;
			}
		}
	}
	return true;
}
function check_input(e, r) {
	var v=e.value,c;
	for (var i=0;i<v.length;i++) {
		if (v.charAt(i)==',' && r.indexOf(',')>=0) { v=v.substr(0,i)+'.'+v.substr(i+1); }
		while (r.indexOf(v.charAt(i))<0) {
			// nepovoleny znak - vymazeme
			v = v.substr(0,i)+v.substr(i+1);
		}
	}
	e.value = v;
}