function imageselector() {
var c = 0;
var a = new Array();
a[0] = 'valtokep1.jpg';
a[1] = 'valtokep2.jpg';
a[2] = 'valtokep3.jpg';
a[3] = 'valtokep4.jpg';
a[4] = 'valtokep5.jpg';
document.getElementById('envaltokepem').src = "a[c]";
c=c+1;
}
function idozito (kepszam) {
for (i=0; i<kepszam; i++){
var t = setTimeout ("imageselector()", 2000);
}
}