// JavaScript Document

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_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_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_changeProp(objName,x,theProp,theValue) { //v6.0
  var obj = MM_findObj(objName);
  if (obj && (theProp.indexOf("style.")==-1 || obj.style)){
    if (theValue == true || theValue == false)
      eval("obj."+theProp+"="+theValue);
    else eval("obj."+theProp+"='"+theValue+"'");
  }
}

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_goToURL() { //v3.0
  var i, args=MM_goToURL.arguments; document.MM_returnValue = false;
  for (i=0; i<(args.length-1); i+=2) eval(args[i]+".location='"+args[i+1]+"'");
}

function GetObject(objName, x) { //v3.0
  var obj = MM_findObj(objName); if (obj) return obj;
}

var poc = 0;
function openNewWindow(URLtoOpen, windowName, windowFeatures) 
{ if (poc!==0) {newWindow.close();};
  newWindow=window.open(URLtoOpen, windowName, windowFeatures);
  newWindow.focus();
  poc++;
}

function deleteItem(delete_link) {
if (confirm('Opravdu chcete odstranit tuto položku z databáze?')) {
 MM_goToURL('self', delete_link);return document.MM_returnValue;
 }
}

function number_format(input) {
	var i;
 var temp = '';
 var string_length = String(input).length;
	
 for (i=string_length; i>=0; i--) if ((string_length-i)%3 == 0 && i != string_length) { temp = " " + String(input).substring(i,i+1) + temp; } else { temp = String(input).substring(i,i+1) + temp; }
	
	return temp;
}

function SetMenu(_menu) {
	GetObject(_menu).style.fontWeight = 'bold';
	GetObject(_menu).style.textDecoration = 'underline';
}

function str_replace(_search, _replace, _source) {
	while (_source.replace(_search, _replace) != _source) _source = _source.replace(_search, _replace);
	return _source;
}

// FORM VALIDATE //

function validate_form() {

if (GetObject('label').value == "") { 
 alert('Zadejte, prosím, název produktu.');
 GetObject('label').focus();
 return false;
 }

return true;
}