var imgSrc;
var bImg;
var imgId;
var myrandom;
cs=0;

function showSamples()
{

do
{
myrandom=Math.round(Math.random()*3)
}

while (myrandom==cs)

imgSrc="img/"+myrandom+".jpeg";
imgId=document.getElementById('fSample');
imgId.src=imgSrc;

cs=myrandom;
startShow();


}

function startShow()
{
setTimeout('showSamples()',3000);
}






var check1=0;
var check2=0;
var check3=0;
var check4=0;
var check5=0;
var check6=0;
var check7=0;
var check8=0;
var check9=0;
var check10=0;
var check11=0;
var check12=0;
var check13=0;

function manageVis(divKod)
{


if (divKod==1)
{
if (check1==1)
{
document.getElementById('backg').style.display="none";
check1=0;
}
else
{

document.getElementById('backg').style.display="block";
check1=1;
}
}



if (divKod==2)
{
if (check2==1)
{
document.getElementById('borde').style.display="none";
check2=0;
}
else
{

document.getElementById('borde').style.display="block";
check2=1;
}
}

if (divKod==3)
{
if (check3==1)
{
document.getElementById('dimen').style.display="none";
check3=0;
}
else
{

document.getElementById('dimen').style.display="block";
check3=1;
}
}

if (divKod==4)
{
if (check4==1)
{
document.getElementById('fontp').style.display="none";
check4=0;
}
else
{

document.getElementById('fontp').style.display="block";
check4=1;
}
}

if (divKod==5)
{
if (check5==1)
{
document.getElementById('gener').style.display="none";
check5=0;
}
else
{

document.getElementById('gener').style.display="block";
check5=1;
}
}


if (divKod==6)
{
if (check6==1)
{
document.getElementById('listp').style.display="none";
check6=0;
}
else
{

document.getElementById('listp').style.display="block";
check6=1;
}
}

if (divKod==7)
{
if (check7==1)
{
document.getElementById('margi').style.display="none";
check7=0;
}
else
{

document.getElementById('margi').style.display="block";
check7=1;
}
}

if (divKod==8)
{
if (check8==1)
{
document.getElementById('paddi').style.display="none";
check8=0;
}
else
{

document.getElementById('paddi').style.display="block";
check8=1;
}
}

if (divKod==9)
{
if (check9==1)
{
document.getElementById('posit').style.display="none";
check9=0;
}
else
{

document.getElementById('posit').style.display="block";
check9=1;
}
}


if (divKod==10)
{
if (check10==1)
{
document.getElementById('printp').style.display="none";
check10=0;
}
else
{

document.getElementById('printp').style.display="block";
check10=1;
}
}


if (divKod==11)
{
if (check11==1)
{
document.getElementById('tablep').style.display="none";
check11=0;
}
else
{

document.getElementById('tablep').style.display="block";
check11=1;
}
}

if (divKod==12)
{
if (check12==1)
{
document.getElementById('textp').style.display="none";
check12=0;
}
else
{

document.getElementById('textp').style.display="block";
check12=1;
}
}

if (divKod==13)
{
if (check13==1)
{
document.getElementById('pseud').style.display="none";
check13=0;
}
else
{

document.getElementById('pseud').style.display="block";
check13=1;
}
}



}