function checkrequired(which){var pass=true
if (document.images){for (i=0;i<which.length;i++){var tempobj=which.elements[i]
if (tempobj.name.substring(0,8)=="required"){if (((tempobj.type=="text"||tempobj.type=="textarea")&&tempobj.value=='')||(tempobj.type.toString().charAt(0)=="s"&&tempobj.selectedIndex==-1)){pass=false
break}}}} if (!pass){alert("Non hai compilato correttamente il form. Alcune informazioni non sono state inserite!!!")
return false} else return true}