function checkFormular(form) {

	var myForm = form;
	var sendOn = 1;

	for(var i = 0; i < myForm.childNodes.length; i++) {
		if(myForm.childNodes[i].nodeName == "TABLE") {
			var myTable = myForm.childNodes[i];
			for(var j = 0; j < myTable.childNodes.length; j++) {
				if(myTable.childNodes[j].nodeName == "TBODY") {
					var myTBody = myTable.childNodes[j];
					for(var k = 0; k < myTBody.childNodes.length; k++) {
						if(myTBody.childNodes[k].nodeName == "TR") {
						var myTr = myTBody.childNodes[k];
						sendOn = getTr(myTr);
							if(sendOn == 0) {
								return false;
							}
						}
					}
				}
			}
		}
	}
	return true;
}


function getTr(myTr) {
	var sendOn = 1;
	var td_id = 0;
	for(var m = 0; m < myTr.childNodes.length; m++) {
		if(myTr.childNodes[m].nodeName == "TD") {
			var myTd = myTr.childNodes[m];
			for(var n = 0; n < myTd.childNodes.length; n++) {
				if(td_id == 0 && myTd.childNodes[n].nodeName == "#text") {
					var myText = myTd.childNodes[n];
				} else if(td_id == 1 && myTd.childNodes[n].nodeName == "INPUT") {
					var myInput = myTd.childNodes[n];
				}
			}
			td_id++;
		}
	}
	if(typeof(myInput) == "object") {
		sendOn = checkRow(myText, myInput);
		if(sendOn == 0) {
			return sendOn;
		}
	}
	return sendOn;
}


function checkRow(myText, myInput) {
	var sendOn = 1;
	//zistim si ci nas element alebo nadradeny nie je unvisible
	if(myText.nodeValue.indexOf("*") > -1 && isNodeDisplay(myInput)) {
		if(myInput.value == "") {
			var myReturnText = myText.nodeValue;
			myReturnText = myReturnText.replace("*", "");
			myReturnText = myReturnText.replace(":", "");

			var varName = myInput.getAttribute("name");

			alert('Vyplňte prosím políčko: ' + myReturnText + '\'');
			document.getElementById(varName).focus();
			sendOn = 0;
		}
	}
	return sendOn;
}


function isNodeDisplay(nodeObject) {
	//zatial do 3 urovne
	if(nodeObject.style.display == 'none') {
		return false;
	}
	if(nodeObject.parentNode.style.display == 'none') {
		return false;
	}
	if(nodeObject.parentNode.parentNode.style.display == 'none') {
		return false;
	}

	return true;
}


function fieldfilter(evnt, regex) {

    var theChar="", theRegExp=/[0-9,\010]/, bFound=false;

    if(document.all) {
      evnt=window.event;
 	  theChar=String.fromCharCode(evnt.keyCode);
    if(!evnt.shiftKey) theChar=theChar.toLowerCase();
       bFound=regex.test(theChar);
       evnt.returnValue=bFound;
    } else if (document.layers) {
       theChar=String.fromCharCode(evnt.which);
       bFound=regex.test(theChar)
    } else {
       theChar = String.fromCharCode(evnt.charCode);
       bFound = (evnt.keyCode!=0) || regex.test(theChar);
       evnt.cancelBubble=!bFound;
    }
    return bFound;
}