// JScript source code
function checkDatum(dateStr)
{
	var datePat = /^(\d{4})(-)?(\d{1,2})(-)?(\d{1,2})$/;
	var matchArray = dateStr.match(datePat);

	if (matchArray == null) {	return true; }

	year = matchArray[1];
	month = matchArray[3];
	day = matchArray[5];

	if (month < 1 || month > 12) { return true; }

	if (day < 1 || day > 31) { return true; }

	if ((month==4 || month==6 || month==9 || month==11) && day==31) {	return true; }

	if (month == 2)
	{
		var isleap = (year % 4 == 0 && (year % 100 != 0 || year % 400 == 0));
		if (day > 29 || (day==29 && !isleap)) {	return true;	}
	}
	var now = new Date();
	var then = new Date();
	then.setFullYear(year,(month-1),day);
	//if (now > then) { return true; }
	
	return false;
}

function checkTid(tid)
{
	var regexp = /^(\d){1,2}(\:){1}(\d){2}$/;
	var matchArray = tid.match(regexp);
	if (matchArray == null) { return true; }
	return false;
}

function compareStartDatum(pub, start)
{
	dpub = new Date(pub.substring(0,4),pub.substring(5,7), pub.substring(8,10));
	dstart = new Date(start.substring(0,4),start.substring(5,7), start.substring(8,10));
	if (dpub > dstart) { return true; }
	return false;
}

function validera()
{
	var returnstr = "";
	var returnfldstr = "";
	var returnverstr = "";
	var	returnval = new Boolean(false);
	
	if (document.evdbform.rubrik.value == "")
	{
		returnfldstr = returnfldstr + "* Rubrik\n";
	}
	if (document.evdbform.beskrivning.value == "")
	{
		returnfldstr = returnfldstr + "* Beskrivning\n";
	}
	if (document.evdbform.startdatum.value == "")
	{
		returnfldstr = returnfldstr + "* Startdatum\n";
	}
	if ((document.evdbform.slutdatum.value == "") && (document.evdbform.periodicitet.checked))
	{
		returnfldstr = returnfldstr + "* Slutdatum\n";
	}
	if (document.evdbform.platsort.value == "")
	{
		returnfldstr = returnfldstr + "* Plats/Ort\n";
	}
	if (document.evdbform.uppgiftslamnare.value == "")
	{
		returnfldstr = returnfldstr + "* Uppgiftslämnare\n";
	}
	if (document.evdbform.kategori_id.value == "")
	{
		returnfldstr = returnfldstr + "* Kategori\n";
	}
	if (document.evdbform.kommun_id.value == "")
	{
		returnfldstr = returnfldstr + "* Kommun\n";
	}

	if ((document.evdbform.startdatum.value != "") && (checkDatum(document.evdbform.startdatum.value)))
	{
		returnverstr = returnverstr + "* Startdatum\n";
	}
	if ((document.evdbform.starttid.value != "") && (checkTid(document.evdbform.starttid.value)))
	{
		returnverstr = returnverstr + "* Starttid\n";
	}
	if ((document.evdbform.slutdatum.value != "") && (checkDatum(document.evdbform.slutdatum.value)))
	{
		returnverstr = returnverstr + "* Slutdatum\n";
	}
	if ((document.evdbform.sluttid.value != "") && (checkTid(document.evdbform.sluttid.value)))
	{
		returnverstr = returnverstr + "* Sluttid\n";
	}
	if ((document.evdbform.publiceringsdatum.value != "") && ((checkDatum(document.evdbform.publiceringsdatum.value)) || (compareStartDatum(document.evdbform.publiceringsdatum.value, document.evdbform.startdatum.value))))
	{
		returnverstr = returnverstr + "* Publiceringsdatum\n";
	}
	
	if (returnfldstr != "")
	{
		returnstr = "\nFöljande information saknas:\n\n" + returnfldstr;
		returnval = false;
	}
	if (returnverstr != "")
	{
		if (returnstr != "") { returnstr = returnstr + "\n\n"; }
		returnstr = returnstr + "Följande fält är inkorrekta:\n\n" + returnverstr;
		returnval = false;
	}
	if (returnstr != "") { alert(returnstr); }
	return returnval;
}

function toggleperiodicitet()
{
	if (!(document.evdbform.periodicitet.checked))
	{
		var i
		for (i = 0; i < 7; i++)
		{
			document.evdbform['per_dag[' + i + ']'].disabled = true;
		}
		document.evdbform.per_vecka.disabled = true;
	}
	else
	{
		var i
		for (i = 0; i < 7; i++)
		{
			document.evdbform['per_dag[' + i + ']'].disabled = false;
		}
		document.evdbform.per_vecka.disabled = false;
	}
}

function goto(text_value)
{
	window.location = "evdb.asp?utfor=history&vy=mina&evid=" + text_value;
}

function toggle(hideshow)
{
	if (document.getElementById(hideshow).style.display=='none' )
	{
		document.getElementById(hideshow).style.display = '';
	}
	else
	{
		document.getElementById(hideshow).style.display = 'none';
	}
}

function confirmSubmit(namnet)
{
	var agree=confirm("Vill du ta bort " + namnet + "?");
	if (agree)
		return true ;
	else
		return false ;
}

function settid(tid, h, m)
{
	tid.value = h.value + ":" + m.value;
}