// 19.6.2004 Radek Prochazka - zmena jazyka pres Listbox
function processLanguage(tf){
		tf.submit();
}

// 22.6.2003 Jan Pokorny
function check_all_checkboxes(strForm, strPrefix, bOn)
{
	var arrChk, i;
	arrChk = eval('self.document.'+strForm).elements;
	for (i = 0; i < arrChk.length; i++)
	{
		if(arrChk[i].name.substr(0, strPrefix.length) == strPrefix) arrChk[i].checked = bOn;
	}
};

// 9.6.2003 Jan Pokorny
function checkMe(tf,pars)
{
	pole=pars.split(',');
	for(i=0;i<pole.length;i+=2)
	{
		if(eval('typeof  tf.'+pole[i])!='undefined'){
			if(eval('tf.'+pole[i]+'.value')=='')
			{
				alert(pole[(i+1)]+' je povinná položka.');
				eval('tf.'+pole[i]+'.focus()');
				return false;
			}
		}
	}
	return true;
}

// 18.6.2004 Lukas Nemec
function checkEmail(tf,pars)
{
	var strEmail
	pole=pars.split(',');
	for(i=0;i<pole.length;i+=2)
	{
		strEmail = eval('tf.'+pole[i]+'.value')
		if(strEmail=='')
		{
			alert(pole[(i+1)]+' je povinná položka.');
			return (false);
		}
		
		if(strEmail.length != 0)
		{
			sta = 0
			for (i = 0; i < strEmail.length; i++)
			{                       
				if (strEmail.substring(i, i+1) == '.'  && sta == 1)
				{
					sta++;
				}
				if (strEmail.substring(i, i+1) == '@')
				{
					sta++;
				}
			}
		}
		if (sta != 2)
		{
	    	alert('Prosim zadejte správně email.');
	    	return (false);
		}
	}
	return true;
}




// 18.6.2004 Lukas Nemec
// Declaring valid date character, minimum year and maximum year
var dtCh= ".";
var minYear=1900;
var maxYear=2100;

function isInteger(s){
	var i;
    for (i = 0; i < s.length; i++){   
        // Check that current character is number.
        var c = s.charAt(i);
        if (((c < "0") || (c > "9"))) return false;
    }
    // All characters are numbers.
    return true;
}

// 18.6.2004 Lukas Nemec
function stripCharsInBag(s, bag){
	var i;
    var returnString = "";
    // Search through string's characters one by one.
    // If character is not in bag, append to returnString.
    for (i = 0; i < s.length; i++){   
        var c = s.charAt(i);
        if (bag.indexOf(c) == -1) returnString += c;
    }
    return returnString;
}

// 18.6.2004 Lukas Nemec
function daysInFebruary (year){
	// February has 29 days in any year evenly divisible by four,
    // EXCEPT for centurial years which are not also divisible by 400.
    return (((year % 4 == 0) && ( (!(year % 100 == 0)) || (year % 400 == 0))) ? 29 : 28 );
}
// 18.6.2004 Lukas Nemec
function DaysArray(n) {
	for (var i = 1; i <= n; i++) {
		this[i] = 31
		if (i==4 || i==6 || i==9 || i==11) {this[i] = 30}
		if (i==2) {this[i] = 29}
   } 
   return this
}
// 18.6.2004 Lukas Nemec
function isDate(dtStr){
	var daysInMonth = DaysArray(12)
	var pos1=dtStr.indexOf(dtCh)
	var pos2=dtStr.indexOf(dtCh,pos1+1)
	var strDay=dtStr.substring(0,pos1)
	var strMonth=dtStr.substring(pos1+1,pos2)
	var strYear=dtStr.substring(pos2+1)
	strYr=strYear
	if (strDay.charAt(0)=="0" && strDay.length>1) strDay=strDay.substring(1)
	if (strMonth.charAt(0)=="0" && strMonth.length>1) strMonth=strMonth.substring(1)
	for (var i = 1; i <= 3; i++) {
		if (strYr.charAt(0)=="0" && strYr.length>1) strYr=strYr.substring(1)
	}
	day=parseInt(strDay)
	month=parseInt(strMonth)
	year=parseInt(strYr)
	if (pos1==-1 || pos2==-1){
		alert("Formát datumu musí byt v teto formě : dd.mm.rrrr")
		return false
	}
	if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){
		alert("Prosím zadejte platný den")
		return false
	}
	if (strMonth.length<1 || month<1 || month>12){
		alert("Prosím zadejte platný měsíc")
		return false
	}
	
	if (strYear.length != 4 || year==0 || year<minYear || year>maxYear){
		alert("Prosím zadejte správný 4 místný rok, mezi léty "+minYear+" a "+maxYear)
		return false
	}
	if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false){
		alert("Prosím vložte správné datum (cele)")
		return false
	}
return true
}
// 18.6.2004 Lukas Nemec
function checkDate(tf,pars)
{
	pole=pars.split(',');
	for(i=0;i<pole.length;i+=2)
	{
		if (isDate(eval('tf.'+pole[i]+'.value'))==false){
			eval('tf.'+pole[i]+'.focus()');
			return false;
		}
	}
	return true;
}

// 17.2.2003 Jan Pokorny
function OpenPicture(filename, title, width, height)
{
	wi = Math.floor(Math.random() * 1000) + 1000
	ImageWindow = window.open('', wi.toString(), 'status=no,width='+width.toString()+',height='+height.toString()+',resizable=no,menubar=no,scrollbars=no,toolbar=no')
	ImageWindow.document.write('<html><head><title>'+title+'</title></head><body leftmargin=0 topmargin=0 marginwidth=0 marginheight=0>')
	ImageWindow.document.write('<img src="'+filename+'" width='+width.toString()+' height='+height.toString()+'><br>')
	ImageWindow.document.write('</body></html>')
}

// 16.1.2003 Jan Pokorny
function file_show(strFile)
{
	var wndShow;
	wi = Math.floor(Math.random() * 1000) + 1000
	wndShow = window.open(strFile, wi.toString(), 'left=410,top=210,width=350,height=450,toolbar=no,location=no,status=yes,menubar=no,scrollbars=yes,resizable=yes');
	wndShow.focus();
}
// 27.5.2002 - Vojtech Braun
function open_file_select(strField,figID)
{
	var wndFileSel;
	wi = Math.floor(Math.random() * 1000) + 1000
	wndFileSel = window.open('../fileman/list.asp?viewSend=1&viewSendWhat=file&viewSendValue='+strField+'&fig_id='+figID, wi.toString(), 'left=100,top=100,height=500,width=900,status=yes,resizable=yes,toolbar=no,menubar=no,location=no,scrollbars=yes');
	wndFileSel.focus();
}

// 09.07.2002 - Vojtech Braun
function file_clear(strFormName, strFieldName)
{
	document.forms[strFormName].elements[strFieldName+'_id'].value = '';
	document.forms[strFormName].elements[strFieldName+'_name'].value = '';
	document.forms[strFormName].elements[strFieldName+'_file'].value = '';
}

//--------------------------------------------------------------------------------------
// 18.12.2003 - Jan Pokorny
// Smaze input v zadanem formulari a policku
//--------------------------------------------------------------------------------------
function input_clear(strFormName, strFieldName)
{
	document.forms[strFormName].elements[strFieldName].value = '';
}
//--------------------------------------------------------------------------------------
// 18.12.2003 - Jan Pokorny
// Otevre dokument v nvem okne (pouziva file_show)
//--------------------------------------------------------------------------------------
function document_show(docID,path){
	if(docID!='') file_show(path+docID);
}

//--------------------------------------------------------------------------------------
// 18.12.2003 - Jan Pokorny
// Otevre v novem okne formular pro zadani dokumentu
//--------------------------------------------------------------------------------------
function open_document_select(script,strField,docID,itmName,itmFrom,itmTo)
{
	var wndFileSel;
	wndFileSel = window.open('../document/'+script+'&doIt=insert&field='+strField+'&id='+docID+'&docName='+itmName+'&docFrom='+itmFrom+'&docTo='+itmTo, 'wndFileSel', 'left=100,top=100,height=400,width=850,status=yes,resizable=yes,toolbar=no,menubar=no,location=no,scrollbars=yes');
	wndFileSel.focus();
}

//--------------------------------------------------------------------------------------
// 6.1.2004 - Krystof Nemec
// Otevre v novem okne formular pro zadani odkazu
//--------------------------------------------------------------------------------------
function open_link_select(script, sourceThemaID, strFieldThema, strFieldItem, themaID, itmID)
{
	var wndFileSel;
	wndFileSel = window.open(script+'?doIt=insert&temID='+sourceThemaID+'&id='+themaID+'&itmID='+itmID +'&fieldthema='+strFieldThema +'&fielditem='+strFieldItem, 'wndLinkSel', 'left=100,top=100,height=400,width=700,status=yes,resizable=yes,toolbar=no,menubar=no,location=no,scrollbars=yes');
	wndFileSel.focus();
}

function Validate(theForm, arr)
{
    for(var i = 0; i < theForm.length; i++)
    {
        if(arr[i])
        {
            if(!arr[i].Validate(theForm.elements[i]))
                return false
        }
    }
    return true;
}

function MeText(strName, fAllowEmpty)
{
    this.strName = strName
    this.fAllowEmpty = fAllowEmpty
    this.Validate = function(field)
    {
        if ((!this.fAllowEmpty) && (field.value == ""))
        {
            alert('Vložte prosím text do pole "' + this.strName + '".')
            field.focus()
            return false
        }
        return true
    }
}

function link(left1, main1)
{
	if (left1!='') 	parent.left.location.href = left1;
	if (main1!='') 	parent.main.location.href = main1;
}

function link1(main1, left1)
{
	if (main1!='') 	parent.main.location.href = main1;
	if (left1!='') 	parent.left.location.href = left1;
	return false;
}

function newWindow(url)
{
	window.open(url);
}
function new_window(url)
{
	newWindow(url);
}
function makeWindow(url)
{
	window.open(url, '', "toolbar=no,status=no,scrollbars=no,resizable=yes,width=700,height=400");
}

function makeWindowScrollable(url)
{
	window.open(url, '', "menubar=yes,toolbar=no,status=no,scrollbars=yes,resizable=yes,width=700,height=400");
}

function previewWindow(url, title)
{
	window.open(url, title, "toolbar=no,status=no,scrollbars=yes,resizable=yes,width=800,height=600");
}

function change_color()
{
	document.aa.style.textColor = '#00FF00';
}

function VRWindow(url, title)
{
	window.open(url, title, "toolbar=no,status=no,scrollbars=yes,resizable=yes,width=780,height=450");
}
function hop(ts,adr,what){
	if(ts.options[ts.selectedIndex].value=='0' || ts.options[ts.selectedIndex].value=='') return false;
	else document.location = adr+'?'+what+'='+ts.options[ts.selectedIndex].value;
}

//--------------------------------------------------------------------------------------
// Meni style.display u divu s divID na opacny
// 1.12.2003 Jan Pokorny
//--------------------------------------------------------------------------------------
function divSwapDisplay(divName){
	var myDiv=document.getElementById(divName);
	var myStyle=myDiv.style.display;
	if(myStyle==''){
		myDiv.style.display='none';
	}else{
		myDiv.style.display='';
	}
	return true;
}

//--------------------------------------------------------------------------------------
// Zavola zmenu zobrazeni divu a vytvori obrazek ... jenz nahraje do session stav mapy
// 2.2.2004 Jan Pokorny
//--------------------------------------------------------------------------------------
function divSwapMap(divName,temID) {
	divSwapDisplay(divName);
	var myDiv=document.getElementById(divName);
	var myStyle=myDiv.style.display;
	if(document.images){
		//alert("showHideMap.asp?thema="+temID+"&display="+myStyle);
		(new Image()).src="showHideMap.asp?thema="+temID+"&display="+myStyle;
	}
	return true;
}

//--------------------------------------------------------------------------------------
// Vola se na onfocus u checkboxu, zobraci confirm okno s textem a dle anvratove hodnoty
// pripadne prepne stav checkboxu
// druhym parametrem je originalni hodnota (true,false - textove)
// 1.12.2003 Jan Pokorny
//--------------------------------------------------------------------------------------
function checkboxFocusChange(tc,tcorig,textUncheck,textCheck){
	var origvalue
	origvalue=(tcorig=='true'?true:false) 
	if (tc.checked && origvalue!=tc.checked){
		if (textUncheck!='') tc.checked=!window.confirm(textUncheck)
	}else{
		if (!tc.checked && origvalue==tc.checked){
			if (textCheck!='') tc.checked=window.confirm(textCheck)
		}	
	}
}

// vraci hodnotu z popup okna zpet do formulara
function backToForm(formID, elName, newId, newName){
	var opnr=window.opener;
	var desForm=opnr.document.getElementById(formID);
	opnr.document.getElementById(elName+'_fk').value=newId;
	opnr.document.getElementById(elName+'_name').innerHTML=newName;	
	window.setTimeout('window.close()',10);
}

// smaza hodnoty z formulare u tematu 
function deleteThemaForm(name){
	document.getElementById(name+'_fk').value='';
	document.getElementById(name+'_name').innerHTML='';
}

//--------------------------------------------------------------------------------------
// Prepina mezi _map1.gif a map2.gif
// 16.1.2004 Jan Pokorny
//--------------------------------------------------------------------------------------
function swapMap(){
	var myDiv=document.getElementById('mapPicture');	
	var imgSrc=myDiv.src;
	var ImgName
	var tmp=myDiv.src;
	imgName=imgSrc.substr(imgSrc.lastIndexOf('/')+1,imgSrc.length-(imgSrc.lastIndexOf('/')+1));
	if(imgName=='_map1.gif') {
		//alert('myDiv.src=\'images/_map2.gif\'');
		window.setTimeout('document.getElementById(\'mapPicture\').src=\'images/_map2.gif\'');
		//myDiv.src='images/_map2.gif?';
		//myDiv.src=mapImg2.src;
	}else{
		window.setTimeout('document.getElementById(\'mapPicture\').src=\'images/_map1.gif\'');
		//myDiv.src='images/_map1.gif?';
		//myDiv.src=mapImg1.src;

	}
	//alert(tmp+'\n'+myDiv.src);
}