var x=1.0;
var y=100;
var z=0;

function fadein()
{
    x=x+.1;
    y=y+10;

    document.getElementById("telly").style.opacity=x;
    document.getElementById("telly").style.filter='alpha(opacity='+y+')';

    if(x<1.1)
    {
        setTimeout(fadein,100);
    }
    else
    {
        setTimeout(fadeout,1000);
    }
}

function fadeout()
{
    x=x-.1;
    y=y-10;

    document.getElementById("telly").style.opacity=x;
    document.getElementById("telly").style.filter='alpha(opacity='+y+')';

    if(x>0)
    {
        setTimeout(fadeout,50);
    }
    else
    {
        setTimeout(telly,40);
    }
}

function telly()
{
    z=z+1;

    document.getElementById("telly").style.backgroundImage='url(telly/'+z+'.jpg)';

    if(z==1) z=0; //tady z==1 je pocet slidu 

    fadein();
}