function sectiRadekDoc( strCena, strM2, strPocet, strCelkem )
{
	var oCena = eval ( "document.forms.FORM_XML." + strCena );
	var oM2 = eval ( "document.forms.FORM_XML." + strM2 );
	var oPocet = eval ( "document.forms.FORM_XML." + strPocet );
	var oCelkem = eval ( "document.forms.FORM_XML." + strCelkem );
	var oDefaultM2 = document.getElementsByName('Stand_m2_A005')[0];

	if ( (!oCena) || (!oM2) || (!oPocet) || (!oCelkem) || (!oDefaultM2) )
		return 0;
	if ((oCena.length) || (oM2.length) || (oPocet.length) || (oCelkem.length))
		return 0;

	var nCena = 0;
	var nM2 = 0;
	var nPocet = 0;
	var nCelkem = 0;
	
	if ((oM2.value == "") || (oM2.value == "0" ))
		oM2.value = oDefaultM2.value;
	nCena = parseFloat ( oCena.value.replace ( ',', '.' ) );
	nM2 = parseFloat ( oM2.value.replace ( ',', '.' ) );
	nPocet = parseFloat ( oPocet.value.replace ( ',', '.' ) );
		
	if ( isNaN ( nCena ) || isNaN ( nM2 ) || isNaN ( nPocet ) ) {
		nCelkem = 0;
		if ( isNaN ( nCena ))
			oCena.value = '';
		else {
			if (nCena.toString().replace( '.', ',' ) != oCena.value){
				oCena.value = nCena.toString().replace( '.', ',' );
			}
		}
		if ( isNaN ( nM2 ))
			oM2.value = '';
		else {
			if (nM2.toString().replace( '.', ',' ) != oM2.value){
				oM2.value = nM2.toString().replace( '.', ',' );
			}
		}
		if ( isNaN ( nPocet ))
			oPocet.value = '';
		else {
			if (nPocet.toString().replace( '.', ',' ) != oPocet.value){
				oPocet.value = nPocet.toString().replace( '.', ',' );
			}
		}
	} else {
		nCelkem = nCena*nM2*nPocet;
		if (nCena.toString().replace( '.', ',' ) != oCena.value){
			oCena.value = nCena.toString().replace( '.', ',' );
		}
		if (nM2.toString().replace( '.', ',' ) != oM2.value){
			oM2.value = nM2.toString().replace( '.', ',' );
		}
		if (nPocet.toString().replace( '.', ',' ) != oPocet.value){
			oPocet.value = nPocet.toString().replace( '.', ',' );
		}
	}
	oCelkem.value = formatNum ( nCelkem );
	// ML: Bindings related to XML
	if ( typeof $(oCelkem).attr('bindid') != 'undefined' ) {
		// It is necessary to update all elements with the same 'bindid'
		var relatedElements = $('*[bindid="' + $(oCelkem).attr('bindid') + '"]');
		$.each( relatedElements, function( indexElement, objElement ) {
			if ( objElement !== oCelkem ) {
				if ( objElement.tagName.toUpperCase() == 'SPAN' ) {
					$(objElement).text( oCelkem.value );
				}
			}
		});
	}

	return nCelkem;
}
function zmenaDat ()
{
	var fTotal = 0;
	fTotal += sectiRadekDoc ( "cena", "m2", "objednano", "celkemkc" );
	document.forms["FORM_XML"].total.value = formatNum(fTotal);
	
	return;
}
function kontrolaFormulare()
{
	lang = 'DE';
	switch ( kontrolaZadaniHodnoty( 'FORM_XML', 'm2', lang )) {
		case 0: return false;
		case -1: vypisNezadaniHodnoty( 'Anzahl m2', lang ); return false;
	}
	switch ( kontrolaZadaniHodnoty( 'FORM_XML', 'objednano', lang )) {
		case 0: return false;
		case -1: vypisNezadaniHodnoty( 'Bestellt', lang ); return false;
	}
return true;
}