function textCounter(field, countfield, maxlimit) {
if (field.value.length > maxlimit) // if too long...trim it!
field.value = field.value.substring(0, maxlimit);
// otherwise, update 'characters left' counter
else 
countfield.value = maxlimit - field.value.length;
}

function show_confirm(text,urlok)
{
	var r=confirm(text);
	if (r==true)
	  {
	  window.location.href=urlok;
	  }
}

function show_confirm_form(text)
{
	var r=confirm(text);
	
	if (r==true)
	  {
	 	document.viewzbozi_form.submit()
	  }
	  
	
}
function dynamic_text_in_input_onkeyup (idobject,text,captcha)
{
	if(document.getElementById(idobject).value!='' && document.getElementById(idobject).value!=text){visibled(captcha,'yes');}else{visibled(captcha,'no');}
}
function dynamic_text_in_input_onfocus (idobject,text)
{
	if (document.getElementById(idobject).value==text) {document.getElementById(idobject).value='';}
}
function dynamic_text_in_input_onblur (idobject,text)
{
	if (document.getElementById(idobject).value=='') {document.getElementById(idobject).value=text;}
}

function noveokno (adresa1,width,height) { 
 var adresa = adresa1
 	window.open(adresa, "podkatfrm", "width="+width+",height="+height+",menubar=no,resizable=no,toolbar=yes,scrollbars=yes,left=100,top=100")
 	
 }
  
 function substr_count (haystack, needle, offset, length) {
    // http://kevin.vanzonneveld.net
    // +   original by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +   bugfixed by: Onno Marsman
    // *     example 1: substr_count('Kevin van Zonneveld', 'e');
    // *     returns 1: 3
    // *     example 2: substr_count('Kevin van Zonneveld', 'K', 1);
    // *     returns 2: 0
    // *     example 3: substr_count('Kevin van Zonneveld', 'Z', 0, 10);
    // *     returns 3: false

    var pos = 0, cnt = 0;

    haystack += '';
    needle += '';
    if (isNaN(offset)) {offset = 0;}
    if (isNaN(length)) {length = 0;}
    offset--;

    while ((offset = haystack.indexOf(needle, offset+1)) != -1){
        if (length > 0 && (offset+needle.length) > length){
            return false;
        } else{
            cnt++;
        }
    }
	document.getElementById('ajaxtest').innerHTML=cnt;
    return cnt;
}

function isKeyPressed(event)
{
if (event.shiftKey==1)
  {
   	return true;
  }
else
  {
  	return false;
  }
}
function keyPressHandler(e) {
     var keynum
	var keychar
	var numcheck
	
	if(window.event) // IE
	{
	keynum = e.keyCode
	}
	else if(e.which) // Netscape/Firefox/Opera
	{
	keynum = e.which
	}
	
	if (keynum==27) return true;
	
}
function handler ()
{
	
}