function ReplaceString(ABuf, AOldStr, ANewStr) {
	var tmp = "";
	if (ABuf == null) return tmp;
	var last_index = -1;
	var idx = ABuf.indexOf(AOldStr);
	while(idx >= 0) {
		var start = (last_index >= 0) ? last_index + AOldStr.length  : 0;
		tmp += ABuf.substring(start, idx) + ANewStr;
		last_index = idx;
		idx = ABuf.indexOf(AOldStr, idx + 1);
	}
	if (last_index >= 0) tmp += ABuf.substring(last_index + AOldStr.length);
	else tmp += ABuf;
	return tmp;
}

function GetTag(AName) {
	var temp = document.getElementsByName(AName);
	var tempID = document.getElementById(AName);
	if (tempID != null) return tempID;
	else if (temp != null && temp.length > 0) return temp[0];
	else return null;
}

function CheckNumber(e) {
	if (!e) e = window.event;
	if (e.charCode != null) return (e.charCode == 0 || /\d{1,1}/.test(String.fromCharCode(e.charCode)));
	else return /\d{1,1}/.test(String.fromCharCode(e.keyCode));
}

function CheckASCII(e) {
	if (!e) e = window.event;
	if (e.charCode != null) return (e.charCode == 0 || e.charCode == 43 || /\w|\-{1,1}/.test(String.fromCharCode(e.charCode)));
	else return /\w|\-{1,1}/.test(String.fromCharCode(e.keyCode));
}

function CheckPhone(e) {
	if (!e) e = window.event;
	if (e.charCode != null) return (e.charCode == 0 || e.charCode == 43 || /\d{1,1}/.test(String.fromCharCode(e.charCode)));
	else return /\d{1,1}/.test(String.fromCharCode(e.keyCode));
}

function ZobrazSkryjFiltr() {
	var obj = GetTag("filtr-dat");
	if (obj.style.display == "none") obj.style.display = "block";
	else obj.style.display = "none";
	return false;
}

function VyskakovaciOkno(adresa, sirka, vyska) {
	if (adresa != null && adresa != "") {
		sirka = sirka != null && !isNaN(parseInt(sirka)) ? sirka : 650;
		vyska = vyska != null && !isNaN(parseInt(vyska)) ? vyska : 500;
		window.open(adresa, 'marfor  ', "width=" + sirka + ",height=" + vyska + ",toolbar=no,menubar=no,scrollbars=yes,status=no,resizable=yes,left=" + parseInt((screen.width-sirka)/2) + ",top=" + parseInt((screen.height-vyska)/2) + "").focus();
	}
	return false;
}



function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

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 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_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}
