function scelta()
{

if (document.getElementById("categ").value == "attesa") {

alert("Bisogna effettuare una scelta per poter proseguire.");
document.getElementById("categorie").value = "Attesa";
document.getElementById("quant").disabled = true;
document.getElementById("dimen").disabled = true;
document.getElementById("color").disabled = true;
document.getElementById("quant").style.backgroundImage="url('./pages/images/disabled.gif')";
document.getElementById("dimen").style.backgroundImage="url('./pages/images/disabled.gif')";
document.getElementById("color").style.backgroundImage="url('./pages/images/disabled.gif')";

}

if (document.getElementById("categ").value == "sole") {

document.getElementById("categorie").value = "Tende da Sole";
document.getElementById("quant").disabled = false;
document.getElementById("dimen").disabled = false;
document.getElementById("color").disabled = false;
document.getElementById("quant").style.background="url('./pages/images/ombra.gif') #f6f6f6 top repeat-x";
document.getElementById("dimen").style.background="url('./pages/images/ombra.gif') #f6f6f6 top repeat-x";
document.getElementById("color").style.background="url('./pages/images/ombra.gif') #f6f6f6 top repeat-x";

}

if (document.getElementById("categ").value == "tecniche") {

document.getElementById("categorie").value = "Tende Tecniche da Interno";
document.getElementById("quant").disabled = false;
document.getElementById("dimen").disabled = false;
document.getElementById("color").disabled = false;
document.getElementById("quant").style.background="url('./pages/images/ombra.gif') #f6f6f6 top repeat-x";
document.getElementById("dimen").style.background="url('./pages/images/ombra.gif') #f6f6f6 top repeat-x";
document.getElementById("color").style.background="url('./pages/images/ombra.gif') #f6f6f6 top repeat-x";

}

if (document.getElementById("categ").value == "zanzariere") {

document.getElementById("categorie").value = "Zanzariere";
document.getElementById("quant").disabled = false;
document.getElementById("dimen").disabled = false;
document.getElementById("color").disabled = false;
document.getElementById("quant").style.background="url('./pages/images/ombra.gif') #f6f6f6 top repeat-x";
document.getElementById("dimen").style.background="url('./pages/images/ombra.gif') #f6f6f6 top repeat-x";
document.getElementById("color").style.background="url('./pages/images/ombra.gif') #f6f6f6 top repeat-x";

}

if (document.getElementById("categ").value == "avvolgibili") {

document.getElementById("categorie").value = "Avvolgibili";
document.getElementById("quant").disabled = false;
document.getElementById("dimen").disabled = false;
document.getElementById("color").disabled = false;
document.getElementById("quant").style.background="url('./pages/images/ombra.gif') #f6f6f6 top repeat-x";
document.getElementById("dimen").style.background="url('./pages/images/ombra.gif') #f6f6f6 top repeat-x";
document.getElementById("color").style.background="url('./pages/images/ombra.gif') #f6f6f6 top repeat-x";

}

if (document.getElementById("categ").value == "riloghe") {

document.getElementById("categorie").value = "Riloghe in Ferro & Tendaggi";
document.getElementById("quant").disabled = false;
document.getElementById("dimen").disabled = false;
document.getElementById("color").disabled = false;
document.getElementById("quant").style.background="url('./pages/images/ombra.gif') #f6f6f6 top repeat-x";
document.getElementById("dimen").style.background="url('./pages/images/ombra.gif') #f6f6f6 top repeat-x";
document.getElementById("color").style.background="url('./pages/images/ombra.gif') #f6f6f6 top repeat-x";

}

if (document.getElementById("categ").value == "doccia") {

document.getElementById("categorie").value = "Box Doccia";
document.getElementById("quant").disabled = false;
document.getElementById("dimen").disabled = false;
document.getElementById("color").disabled = false;
document.getElementById("quant").style.background="url('./pages/images/ombra.gif') #f6f6f6 top repeat-x";
document.getElementById("dimen").style.background="url('./pages/images/ombra.gif') #f6f6f6 top repeat-x";
document.getElementById("color").style.background="url('./pages/images/ombra.gif') #f6f6f6 top repeat-x";

}

if (document.getElementById("categ").value == "giardino") {

document.getElementById("categorie").value = "Arredo Giardino";
document.getElementById("quant").disabled = false;
document.getElementById("dimen").disabled = false;
document.getElementById("color").disabled = false;
document.getElementById("quant").style.background="url('./pages/images/ombra.gif') #f6f6f6 top repeat-x";
document.getElementById("dimen").style.background="url('./pages/images/ombra.gif') #f6f6f6 top repeat-x";
document.getElementById("color").style.background="url('./pages/images/ombra.gif') #f6f6f6 top repeat-x";

}

}