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) { //v4.0
  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 && document.getElementById) x=document.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_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}

function ablak (url,x,y)
 {
	window.open(url,"ujablak","height="+y+",width="+x+",status=no,scrollbars=no ,toolbar=no>");
 }

function getLength(l,m){
//window.status = l + " of " + m + " maximum characters.";
return l < m;
}
function maxLength(t,m){
var l = t.value.length;
if (l > m){
//alert("Your entry of " + l
//+ " characters exceeds the maximum of " + m + ".\n"
//+ "It will now be truncated.");
t.value = t.value.substring(0,m);
}
getLength(t.value.length,m);
}

function calc(){
	//  Gathers field information
	var f1 = validNum(document.productForm.elements['db'].value)*document.productForm.elements['egyar'].value;

	// Calculates Information
	var ar = f1;

	// Post totals
	document.productForm.elements['ar'].value = ar;

	document.productForm.elements['ar'].value = f1;

}


function validateNonNumber (evt) {

  var keyCode = evt.which ? evt.which : evt.keyCode;

//  window.alert(keyCode);


  return (
          (
           (
             (48 <= keyCode) 
             && 
             (keyCode <= 57)
           ) 
           ||
           (
             (96 <= keyCode) 
             && 
             (keyCode <= 105)
           )
           ||
           (keyCode == 8) 
           ||
           (keyCode == 16)
           ||
           (keyCode == 46)
           ||
           ((35 <= keyCode) && (keyCode <= 40))
          )
           ? true : false); 

}

function validNum(nmbr){
	// forces variable into integer type
	nmbr = (nmbr * 1);

	// Checks if variable is Not a Number
	if(!isNaN(nmbr))
		// If a number, return value
		return nmbr;
	else
		// If not a number, return zero
		return 0;
}

function borvidekcheck()
 {
	ertek = 0;

	for (var j = 1; j <= 22; j++)
	 {
		box = eval("document.form.borvidek" + j); 
		if (box.checked)
		 {
			ertek += 1;
		 }
	  }

	if (ertek >= 3)
	 {
		for (var j = 1; j <= 22; j++)
		 {
			box = eval("document.form.borvidek" + j); 
			if (!box.checked)
			 {
				box.disabled=true;
			 }
		  }
		return false;
	 }

	if (ertek <= 3)
	 { 
		for (var j = 1; j <= 22; j++)
		 {
			box = eval("document.form.borvidek" + j); 
			box.disabled=false;
		 }
		return true;
	 }
 }

function karacsony()
 {
	window.open('http://www.boraszportal.hu/popup/karacsony.html','','width=500,height=242,left=200,top=200').blur();
	window.focus();
 }