function zameniBoje()
{
	if(document.getElementById("div1").style.backgroundColor=="green"){
		document.getElementById("div1").style.backgroundColor="red";
		document.getElementById("div2").style.backgroundColor="green";
	}else{
		document.getElementById("div1").style.backgroundColor="green";
		document.getElementById("div2").style.backgroundColor="red";
	}
}

function podesi(){
	var x = document.getElementById("boja").value;
	document.getElementById("txt").style.color = x;
	var y = document.getElementById("naziv").value;
	document.getElementById("txt").style.fontFamily = y;
	var z = document.getElementById("vel").value;
	document.getElementById("txt").style.fontSize = z;
}