var t='o';
var tz='o';
var sem=0;
var fadetime=500;
var sledecaoperacija=10;
var poc = new Date();
var pocetakvreme = poc.getTime();
 
function showHide (id)
{
var style = document.getElementById(id).style
if (style.visibility == "hidden")
style.visibility = "visible";
else
style.visibility = "hidden";
} 

function Show_Stuff(Click_Menu)

{
if (Click_Menu.style.display == 'none')
{
Click_Menu.style.display = '';
}
else
{
Click_Menu.style.display = 'none';
}
}


function opacity(id, opacStart, opacEnd, millisec) {
    //speed for each frame
    var speed = Math.round(millisec / 100);
    var timer = 0;
	
var style = document.getElementById(id).style
    //determine the direction for the blending, if start and end are the same nothing happens
    if(opacStart > opacEnd) {
	
        for(i = opacStart; i >= opacEnd; i--) {
		    
            setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
            timer++;
		//if(opacEnd == 0) object.display='none'; 	
        }
    } else if(opacStart < opacEnd) {
	style.display='block';	
        for(i = opacStart; i <= opacEnd; i++)
            {
            setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
            timer++;
			
        }
    }
}

//change the opacity for different browsers
function changeOpac(opacity, id) {
    var object = document.getElementById(id).style;
	if(opacity > 0) object.display='block'; 
	object.opacity = (opacity / 100);
    object.MozOpacity = (opacity / 100);
    object.KhtmlOpacity = (opacity / 100);
    object.filter = "alpha(opacity=" + opacity + ")";
	if(opacity == 0) object.display='none'; 
} 


function shiftOpacity(id, millisec) {
    //if an element is invisible, make it visible, else make it ivisible
	var style = document.getElementById(id).style
    if(document.getElementById(id).style.opacity == 0) {
       
		opacity(id, 0, 100, millisec);
				
    } else {
        opacity(id, 100, 0, millisec);
		
    }
	
	
} 

function fadeinout(id, millisec, novav)  {
    //if an element is invisible, make it visible, else make it ivisible
	var cop = document.getElementById(id).style.opacity*100
	//alert(cop);
	if(cop == novav) {  } 
        
	 if(cop > novav) {opacity(id, cop, novav, millisec);}
    
	 if(cop < novav) {opacity(id, cop, novav,  millisec);}
				
    
	
	
} 



function cl()
{
if (document.login.username.value=="" && document.login.pass.value=="")
  {
alert("Niste uneli nijedan podatak!");
document.login.username.focus();
 event.returnValue = false; return false; }
 
else if (document.login.username.value=="" )
  {
alert("Niste uneli korisnicko ime!!!");
document.login.username.focus();
 event.returnValue = false; return false; }
  
else if (document.login.pass.value=="" )
  {
alert("Niste uneli Vasu sifru !!!");
document.login.pass.focus();
 event.returnValue = false; return false; } 

}



function pausecomp(millis)
{
var date = new Date();
var curDate = null;

do { curDate = new Date(); }
while(curDate-date < millis);
} 

function resl1 () {
  	
	//changeOpac(0, 's2');
    //changeOpac(0, 's3');
    //changeOpac(0, 's4');
	//changeOpac(0, 's31');
	changeOpac(100,'1' );
	changeOpac(100,'2' );
	changeOpac(100,'3' );
	
} 

function resetujzii () {
  	

	
    changeOpac(0, 'z1');
	changeOpac(0, 'z2');
	changeOpac(0, 'z3');
	changeOpac(0, 'z4');
	changeOpac(0, 'i1');
	changeOpac(0, 'i2');
	changeOpac(0, 'i3');
	changeOpac(0, 'i4');
	
} 


var Hmove=400;

function moveObjRight(obj) 
{    
   	obj.style.top=Hmove;
   	Hmove-=2;
   	if(Hmove>10)
   	  	window.setTimeout("moveObjRight(" +obj.id+ ");", 1);
}


function init () {
  	

	//changeOpac(0,'1');
	//changeOpac(0,'2');
	//changeOpac(0,'3');
	
    changeOpac(0, 'z1');
	changeOpac(0, 'z2');
	changeOpac(0, 'z3');
	changeOpac(0, 'z4');
	changeOpac(0, 'i1');
	changeOpac(0, 'i2');
	changeOpac(0, 'i3');
	changeOpac(0, 'i4');
	

	
	var dinit = new Date();
    var krajloadvreme = dinit.getTime();
	var odlozipocetak = 1000;
	


	
} 



function zap() {
    if (sem==1 || t=='zap') { } else {
    sem=1;
	t='zap';
	tz='o';
	changeOpac(100,'1');
	
	resetujzii ();
	var style = document.getElementById('tabelainfo').style
	style.display='none';
	var style = document.getElementById('tabelazaposleni').style
	style.display='block';
 	var style = document.getElementById('vaznoobavestenje').style
	style.display='none';
	
	var style = document.getElementById('i1txt').style
	style.display='none';
	var style = document.getElementById('i2txt').style
	style.display='none';
	var style = document.getElementById('i3txt').style
	style.display='none';
	var style = document.getElementById('i4txt').style
	style.display='none';
	var style = document.getElementById('aktuelniseminari').style
	style.display='none';
	
	var style = document.getElementById('tabelauvod').style
	style.display='none';
	
	
	fadeinout('2', fadetime/2, 33);
	fadeinout('3', fadetime/2, 33);
	//shiftOpacity('z1', fadetime);
	//shiftOpacity('z2', fadetime);
	//shiftOpacity('z3', fadetime);
	//shiftOpacity('z4', fadetime);
	setTimeout('shiftOpacity("z1", fadetime)', Math.floor(Math.random()*11) );
	setTimeout('shiftOpacity("z2", fadetime)', Math.floor(Math.random()*201) );
	setTimeout('shiftOpacity("z3", fadetime)', Math.floor(Math.random()*251) );
	setTimeout('shiftOpacity("z4", fadetime)', Math.floor(Math.random()*251) );
	
	var style = document.getElementById('tabelauvod').style
	style.display='none';
	setTimeout('style.display="none"',700);
	//shiftOpacity('s3', 500);
	setTimeout('sem=0',sledecaoperacija);
	
	
	}
	
} 





function pos() {
    if (sem==1 || t=='pos') { } else {
    sem=1;
	t='pos';
	tz='o';
	changeOpac(100,'2');
	resetujzii ();
	fadeinout('z1', fadetime/5*3, 0);
	fadeinout('z2', fadetime/5*3, 0);
	fadeinout('z3', fadetime/5*3, 0);
	fadeinout('z4', fadetime/5*3, 0);
	fadeinout('i1', fadetime/5*3, 0);
	fadeinout('i2', fadetime/5*3, 0);
	fadeinout('i3', fadetime/5*3, 0);
	fadeinout('i4', fadetime/5*3, 0);
	var style = document.getElementById('z1txt').style
	style.display='none';
	
	var style = document.getElementById('z2txt').style
	style.display='none';
	var style = document.getElementById('z3txt').style
	style.display='none';
	var style = document.getElementById('z4txt').style
	style.display='none';
	var style = document.getElementById('vaznoobavestenje').style
	style.display='none';
	var style = document.getElementById('aktuelniseminari').style
	style.display='none';
	var style = document.getElementById('i1txt').style
	style.display='none';
	var style = document.getElementById('i2txt').style
	style.display='none';
	var style = document.getElementById('i3txt').style
	style.display='none';
	var style = document.getElementById('i4txt').style
	style.display='none';
		
	
	changeOpac(33,'1');
	changeOpac(33,'3');

	changeOpac(0,'tabelauvod');
	var style = document.getElementById('tabelauvod').style
	style.display='block';
	setTimeout('shiftOpacity("tabelauvod", fadetime)', 250);
	
	setTimeout('document.getElementById("tabelazaposleni").style.display="none"',sledecaoperacija);
	setTimeout('document.getElementById("tabelainfo").style.display="none"',sledecaoperacija);
	setTimeout('sem=0',sledecaoperacija);
		
	}}
	
function info() {
    if (sem==1 || t=='info') { } else {
    sem=1;
	t='info';
	tz='o';
	changeOpac(100,'3');
resetujzii ();
	var style = document.getElementById('z1txt').style
	style.display='none';
	
	var style = document.getElementById('z2txt').style
	style.display='none';
	var style = document.getElementById('z3txt').style
	style.display='none';
	var style = document.getElementById('z4txt').style
	style.display='none';
		var style = document.getElementById('aktuelniseminari').style
	style.display='none';
	
		
	var style = document.getElementById('tabelazaposleni').style
	style.display='none';
	var style = document.getElementById('tabelainfo').style
	style.display='block';
  
	var style = document.getElementById('vaznoobavestenje').style
	style.display='none';
	var style = document.getElementById('tabelauvod').style
	style.display='none';
	
	fadeinout('2', fadetime/2, 33);
	fadeinout('1', fadetime/2, 33);
	//shiftOpacity('z1', fadetime);
	//shiftOpacity('z2', fadetime);
	//shiftOpacity('z3', fadetime);
	//shiftOpacity('z4', fadetime);
	setTimeout('shiftOpacity("i1", fadetime)', Math.floor(Math.random()*11) );
	setTimeout('shiftOpacity("i2", fadetime)', Math.floor(Math.random()*201) );
	setTimeout('shiftOpacity("i3", fadetime)', Math.floor(Math.random()*251) );
	setTimeout('shiftOpacity("i4", fadetime)', Math.floor(Math.random()*251) );
	
	
	//shiftOpacity('s3', 500);
	
		var style = document.getElementById('tabelauvod').style
	style.display='none';
	setTimeout('style.display="none"',700);
	setTimeout('sem=0',sledecaoperacija);
	
	
	}
	
} 
	
function fz1() {
    if (sem==1 || tz=='fz1') { } else {
    sem=1;
	tz='fz1';
	changeOpac(100,'z1');
	
	//fadeinout('z1', fadetime/3, 33);
	fadeinout('z2', fadetime/2, 50);
	fadeinout('z3', fadetime/2, 50);
	fadeinout('z4', fadetime/2, 50);
	var style = document.getElementById('z1txt').style
	style.display='block';
	
	var style = document.getElementById('z2txt').style
	style.display='none';
	var style = document.getElementById('z3txt').style
	style.display='none';
	var style = document.getElementById('z4txt').style
	style.display='none';
	var style = document.getElementById('aktuelniseminari').style
    style.display='none';
	
	
    setTimeout('sem=0',sledecaoperacija/2+50);
		
	}}
	
function fz2() {
    if (sem==1 || tz=='fz2') { } else {
    sem=1;
	tz='fz2';
	changeOpac(100,'z2');
	
	fadeinout('z1', fadetime/2, 50);
	//fadeinout('z2', fadetime/3, 33);
	fadeinout('z3', fadetime/2, 50);
	fadeinout('z4', fadetime/2, 50);
	var style = document.getElementById('z1txt').style
	style.display='none';
	
	var style = document.getElementById('z2txt').style
	style.display='block';
	var style = document.getElementById('z3txt').style
	style.display='none';
	var style = document.getElementById('z4txt').style
	style.display='none';
	var style = document.getElementById('aktuelniseminari').style
style.display='none';
	
	
	setTimeout('sem=0',sledecaoperacija/2);
		
	}}	
 

function fz3() {
    if (sem==1 || tz=='fz3') { } else {
    sem=1;
	tz='fz3';
	changeOpac(100,'z3');
	
	fadeinout('z1', fadetime/2, 50);
	fadeinout('z2', fadetime/2, 50);
	//fadeinout('z3', fadetime/2, 33);
	fadeinout('z4', fadetime/2, 50);
	var style = document.getElementById('z1txt').style
	style.display='none';
	
	var style = document.getElementById('z2txt').style
	style.display='none';
	var style = document.getElementById('z3txt').style
	style.display='block';
	var style = document.getElementById('z4txt').style
	style.display='none';
	var style = document.getElementById('aktuelniseminari').style
style.display='none';
	
	
	setTimeout('sem=0',sledecaoperacija/2);
		
	}}	


function fz4() {
    if (sem==1 || tz=='fz4') { } else {
    sem=1;
	tz='fz4';
	changeOpac(100,'z4');
	
	fadeinout('z1', fadetime/2, 50);
	fadeinout('z2', fadetime/2, 50);
	fadeinout('z3', fadetime/2, 50);
	//fadeinout('z4', fadetime/2, 33);
	var style = document.getElementById('z1txt').style
	style.display='none';
	
	var style = document.getElementById('z2txt').style
	style.display='none';
	var style = document.getElementById('z3txt').style
	style.display='none';
	var style = document.getElementById('z4txt').style
	style.display='block';
	var style = document.getElementById('aktuelniseminari').style
style.display='none';
	setTimeout('sem=0',sledecaoperacija/2);
		
	}}	


function fi4() {
    if (sem==1 || tz=='fi4') { } else {
    sem=1;
	tz='fi4';
	changeOpac(100,'i4');
	
	fadeinout('i1', fadetime/2, 50);
	fadeinout('i2', fadetime/2, 50);
	fadeinout('i3', fadetime/2, 50);
	//fadeinout('i4', fadetime/2, 33);
	
	var style = document.getElementById('i4txt').style
	style.display='block';
	var style = document.getElementById('i1txt').style
	style.display='none';
	var style = document.getElementById('i2txt').style
	style.display='none';
	var style = document.getElementById('i3txt').style
	style.display='none';
	var style = document.getElementById('aktuelniseminari').style
style.display='block';
	setTimeout('sem=0',sledecaoperacija/2);
		
	}}	


function fi3() {
    if (sem==1 || tz=='fi3') { } else {
    sem=1;
	tz='fi3';
	changeOpac(100,'i3');
	
	fadeinout('i1', fadetime/2, 50);
	fadeinout('i2', fadetime/2, 50);
	//fadeinout('i3', fadetime/2, 50);
	fadeinout('i4', fadetime/2, 50);
	var style = document.getElementById('i1txt').style
	style.display='none';
	var style = document.getElementById('i2txt').style
	style.display='none';
	var style = document.getElementById('i3txt').style
	style.display='block';
	var style = document.getElementById('i4txt').style
	style.display='none';
	var style = document.getElementById('aktuelniseminari').style
style.display='none';
	setTimeout('sem=0',sledecaoperacija/2);
		
	}}	

function fi2() {
    if (sem==1 || tz=='fi2') { } else {
    sem=1;
	tz='fi2';
	changeOpac(100,'i2');
	
	fadeinout('i1', fadetime/2, 50);
	//fadeinout('i2', fadetime/2, 50);
	fadeinout('i3', fadetime/2, 50);
	fadeinout('i4', fadetime/2, 50);
	var style = document.getElementById('i1txt').style
	style.display='none';
	var style = document.getElementById('i2txt').style
	style.display='block';
	var style = document.getElementById('i3txt').style
	style.display='none';
	var style = document.getElementById('i4txt').style
	style.display='none';
	var style = document.getElementById('aktuelniseminari').style
style.display='none';
	setTimeout('sem=0',sledecaoperacija/2);
		
	}}	


function fi1() {
    if (sem==1 || tz=='fi1') { } else {
    sem=1;
	tz='fi1';
	changeOpac(100,'i1');
	
	//fadeinout('i1', fadetime/2, 50);
	fadeinout('i2', fadetime/2, 50);
	fadeinout('i3', fadetime/2, 50);
	fadeinout('i4', fadetime/2, 50);
	var style = document.getElementById('i1txt').style
	style.display='block';
	var style = document.getElementById('i2txt').style
	style.display='none';
	var style = document.getElementById('i3txt').style
	style.display='none';
	var style = document.getElementById('i4txt').style
	style.display='none';
	var style = document.getElementById('aktuelniseminari').style
style.display='none';
	setTimeout('sem=0',sledecaoperacija/2);
		
	}}	


    function nw(str)
    {  window.open(str,'window');  }
        
function Show_Stuff(Click_Menu)

{
if (Click_Menu.style.display == "none")
{
Click_Menu.style.display = "";
}
else
{
Click_Menu.style.display = "none";
}
}