function selall(){			
	window.Virgilio_It.checked=true
	window.Yahoo_It.checked=true
	window.Supereva_It.checked=true	
	window.Excite_It.checked=true
	window.Arianna_It.checked=true
	window.Altavista_It.checked=true
	window.Lycos_It.checked=true
	window.LookSmart_Com.checked=true
	window.About_Com.checked=true
	window.Directhit_Com.checked=true
	window.Euroseek_Net.checked=true	
	window.Google_It.checked=true
	window.Goto_Com.checked=true
	window.Hotbot_Com.checked=true
	window.Iltrovatore_It.checked=true
	window.Infoseek_Com.checked=true	
	}
function deselall(){
	window.Virgilio_It.checked=false
	window.Yahoo_It.checked=false
	window.Supereva_It.checked=false	
	window.Excite_It.checked=false
	window.Arianna_It.checked=false
	window.Altavista_It.checked=false
	window.Lycos_It.checked=false
	window.LookSmart_Com.checked=false
	window.About_Com.checked=false
	window.Directhit_Com.checked=false	
	window.Euroseek_Net.checked=false			
	window.Google_It.checked=false
	window.Goto_Com.checked=false	
	window.Hotbot_Com.checked=false
	window.Iltrovatore_It.checked=false		
	window.Infoseek_Com.checked=false	
	}
function cerca(){
var testo
testo = window.qs.value
	if (testo.length == 0) {
	window.alert ("Inserisci la/le parole da cercare")
	}
	else
	{ 
	if ( window.Virgilio_It.checked==false && 
	window.Yahoo_It.checked==false && 
	window.Supereva_It.checked==false &&
	window.Excite_It.checked==false &&
	window.Arianna_It.checked==false &&
	window.Altavista_It.checked==false &&
	window.Lycos_It.checked==false &&
	window.LookSmart_Com.checked==false &&
	window.About_Com.checked==false &&
	window.Directhit_Com.checked==false	&&
	window.Euroseek_Net.checked==false	&&		
	window.Google_It.checked==false &&
	window.Goto_Com.checked==false &&
	window.Hotbot_Com.checked==false &&
	window.Iltrovatore_It.checked==false &&
	window.Infoseek_Com.checked==false)
	{
	window.alert ("Selezionare almeno un motore di ricerca")	
	}
	else
	{
	if (window.Virgilio_It.checked == true)
	{window.Virgilioform.qs.value = window.qs.value
	window.Virgilioform.submit()}
	if (window.Yahoo_It.checked == true)
	{window.Yahooit.p.value = window.qs.value
	window.Yahooit.submit()}
	if (window.Supereva_It.checked == true)
	{window.Superevait.query.value = window.qs.value
	window.Superevait.submit()}
	if (window.Altavista_It.checked == true)
	{window.Altavistait.q.value = window.qs.value
	window.Altavistait.submit()}
	if (window.Excite_It.checked == true)
	{window.Exciteit.search.value = window.qs.value
	window.Exciteit.submit()}
	if (window.Arianna_It.checked == true)
	{window.Ariannait.query.value = window.qs.value
	window.Ariannait.submit()}
	if (window.Lycos_It.checked == true)
	{window.Lycosit.query.value= window.qs.value
	window.Lycosit.submit()}
	if (window.LookSmart_Com.checked == true)
	{window.Looksmartcom.key.value = window.qs.value
	window.Looksmartcom.submit()}
	if (window.About_Com.checked == true)
	{window.Aboutcom.terms.value = window.qs.value
	window.Aboutcom.submit()}
	if (window.Directhit_Com.checked == true)
	{window.Directhitcom.qry.value = window.qs.value
	window.Directhitcom.submit()}
	if (window.Euroseek_Net.checked == true)
	{window.Euroseeknet.query.value = window.qs.value
	window.Euroseeknet.submit()}	
	if (window.Google_It.checked == true)
	{window.Googleit.q.value = window.qs.value
	window.Googleit.submit()}
	if (window.Goto_Com.checked == true)
	{window.Gotocom.Keywords.value  = window.qs.value
	window.Gotocom.submit()}
	if (window.Hotbot_Com.checked == true)
	{window.Hotbotcom.input.value = window.qs.value
	window.Hotbotcom.submit()}
	if (window.Iltrovatore_It.checked == true)
	{window.Iltrovatoreit.w.value = window.qs.value
	window.Iltrovatoreit.submit()}
	if (window.Infoseek_Com.checked == true)
	{window.Infoseekcom.qt.value = window.qs.value
	window.Infoseekcom.submit()}}}}