function checkForm(){
          var firstname=document.forms['form1']["firstname"].value;
          var lastname=document.forms['form1']["lastname"].value;
          var EmailFrom=document.forms['form1']["EmailFrom"].value;
          var phonenum=document.forms['form1']["phonenum"].value;
          var mobilenum=document.forms['form1']["mobilenum"].value;

          var message = "Please enter:\n";
          var pass= true;
           if(firstname==""){
                 pass = false;
                 message+=" - a first name\n";
          }
          if(lastname==""){
                 pass = false;
                 message+=" - a last name\n";
          }
          if(EmailFrom==""){
                 pass = false;
                 message+=" - an email address\n";
          }
          if(phonenum==""){
                 pass = false;
                 message+=" - a phone number\n";
          }
         if(mobilenum==""){
                 pass = false;
                 message+=" - a mobile number\n";
          }

          
          if(pass){
                return true;
          }
          else{
           alert(message);
                return false;
          }
        }