js if else : input

<script>
function analyzeColor3(myColor) {
if (myColor == "Blue") {
alert("Just like the sky!");
}
else if (myColor == "Red") {
alert("Just like shiraz!");
}
else {
alert("Suit yourself then...");
}
}
</script>
<h3>Favorite Color</h3>
<label>
<input type="radio" name="fav_color3" value="Blue" onclick="analyzeColor3(this.value);"> Blue
</label>
<label>
<input type="radio" name="fav_color3" value="Red" onclick="analyzeColor3(this.value);"> Red
</label>
<label>
<input type="radio" name="fav_color3" value="Green" onclick="analyzeColor3(this.value);"> Green
</label>
<label>
<input type="radio" name="fav_color3" value="None" onclick="analyzeColor3(this.value);"> None
</label>