function OnlyNumChar(event) {
    var charCode = (event.which) ? event.which : event.keyCode;
    if( (charCode > 31 && (charCode < 48 || charCode > 57)) || (charCode == 13) ) {
        event.returnValue = false;
        return false;
    } else {
        event.returnValue = true;
        return true;
    }
  }

  


    function ertek_felosztas(_ertek)

    {

		if(_ertek==0)   var _str = '0';
		else	        var _str = '';
		var _nulla = '';
		var _elso = 1;
		var _ch = '';
		while(_ertek>0) {
		     var _maradek = _ertek%1000;
		     if(_elso==0)    _ch = '.';
		     else	     _elso = 0;
		     if(_maradek>99)       { _str = _maradek + _ch + _nulla + _str; 	_nulla = '';    }
		     else if(_maradek>9)   { _str = _maradek + _ch + _nulla + _str; 	_nulla = '0';   }
		     else if(_maradek>0)   { _str = _maradek + _ch + _nulla + _str; 	_nulla = '00';  }
		     else                  { _str = _ch + _nulla + _str; 		_nulla = '000'; }
		     _ertek = (_ertek - _maradek)/1000;

		};

		return _str;

    }



  function OnlyNumChar(event) {

    var charCode = (event.which) ? event.which : event.keyCode;

    if( (charCode > 31 && (charCode < 48 || charCode > 57)) || (charCode == 13) ) {

        event.returnValue = false;

        return false;

    } else {

        event.returnValue = true;

        return true;

    }

  }



  var keres = false;



 




  function UjraSzamolOsszeg(term_id)

  {                 ar = document.getElementById('ar_'+term_id);

                    darab = document.getElementById('darab_'+term_id);

                    osszar = document.getElementById('osszar_'+term_id);

                    osszesen = document.getElementById('osszesen');



                    osszesen_temp = osszesen.value - osszar.value + ar.value * darab.value;

                    document.getElementById('osszar_'+term_id).value = ar.value * darab.value;

                    document.getElementById('osszar_span_'+term_id+'_img').src = 'include/string.php?size=9&red=255&green=255&blue=255&height=21&str='+ertek_felosztas(ar.value * darab.value);

                    document.getElementById('osszar_span_'+term_id+'_img').alt = ertek_felosztas(ar.value * darab.value);

                    osszesen.value = osszesen_temp;

                    document.getElementById('osszesen_span_img').src = 'include/string.php?size=9&red=255&green=255&blue=255&height=21&str='+ertek_felosztas(osszesen_temp);

                    document.getElementById('osszesen_span_img').alt = ertek_felosztas(osszesen_temp);



                    if(darab.value!='')

                         document.getElementById('darab_h_'+term_id).value = darab.value;

  }

<!--
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];}
}
//-->