function prova(){
alert (document.searchdb.idnorm.value);
}

function disable1(){

	var x=document.getElementById("select1")
	var y=document.getElementById("select2")

    x.disabled=true
	y.disabled=false
	
	document.searchdb.selcd.checked=false

}
function disable2(){

	var x=document.getElementById("select1")
	var y=document.getElementById("select2")
	
    y.disabled=true
	x.disabled=false
	
	document.searchdb.selcd.checked=true
	document.searchdb.seloild.checked=false
}