function checkform ( form )
{
  if (form.nume.value=="")
     {
           alert("Introduceti numele!");
           form.nume.focus();
           return false ;
     }
  if (form.prenume.value=="")
     {
           alert("Introduceti prenumele!");
           form.prenume.focus();
           return false ;
     }

  var checked = false; 
  var buttons = form.elements.grad; 
  for (var i=0; i<buttons.length; i++)  
  {  
    if (buttons[i].checked) {  
      checked = true; 
      break;  
    }  
   } 
  if(!checked)
 	{ 
     alert("Selectati gradul profesional!");
   	 return  false; 
   	} 
  var checked = false; 
  var buttons = form.elements.titlu; 
  for (var i=0; i<buttons.length; i++)  
  {  
    if (buttons[i].checked) {  
      checked = true; 
      break;  
    }  
   } 
  if(!checked)
 	{ 
     alert("Selectati titlul stiintific!");
   	 return  false; 
   	} 
  var checked = false; 
  var buttons = form.elements.membru; 
  for (var i=0; i<buttons.length; i++)  
  {  
    if (buttons[i].checked) {  
      checked = true; 
      break;  
    }  
   } 
  if(!checked)
 	{ 
     alert("Selectati DA/NU membru SOROT!");
   	 return  false; 
   	} 




  if (form.judet.value=="...")
     {
           alert("Selectati judetul din lista!");
           form.judet.focus();
           return false;
     }
  if (form.oras.value=="")
     {
           alert("Introduceti orasul!");
           form.oras.focus();
           return false ;
     }
  if (form.strada.value=="")
     {
           alert("Introduceti strada!");
           form.strada.focus();
           return false ;
     }
  if (form.nr.value=="")
     {
           alert("Introduceti numarul strazii!");
           form.nr.focus();
           return false ;
     }
  if (form.email.value=="")
     {
           alert("Introduceti adresa de e-mail!");
           form.email.focus();
           return false ;
     }
  var checked = false; 
  var buttons = form.elements.rezumat; 
  for (var i=0; i<buttons.length; i++)  
  {  
    if (buttons[i].checked) {  
      checked = true; 
      break;  
    }  
   } 
  if(!checked)
 	{ 
     alert("Selectati DA/NU pentru trimitere rezumat!");
   	 return  false; 
   	} 
  if (buttons[0].checked && form.titlu_lucrare.value=="")
     {
           alert("Introduceti titlul lucrarii!");
           form.titlu_lucrare.focus();
           return false ;
     }
   	
  if (form.nr_ordin.value=="")
     {
           alert("Introduceti numarul ordinului de plata!");
           form.nr_ordin.focus();
           return false ;
     }
  if (form.data_platii.value=="")
     {
           alert("Introduceti data platii de pe ordinul de plata!");
           form.data_platii.focus();
           return false ;
     }
  var checked = false; 
  var buttons = form.elements.cazare; 
  for (var i=0; i<buttons.length; i++)  
  {  
    if (buttons[i].checked) {  
      checked = true; 
      break;  
    }  
   } 
  if(!checked)
 	{ 
     alert("Selectati locul unde doriti sa va cazati!");
   	 return  false; 
   	}                             
  if (buttons[buttons.length-1].checked && form.cazare2.value=="")
     {
           alert("Introduceti locul de cazare!");
           form.cazare2.focus();
           return false ;
     }
  	    
  
  var checked = false; 
  var buttons = form.elements.plata_cazare; 
  for (var i=0; i<buttons.length; i++)  
  {  
    if (buttons[i].checked) {  
      checked = true; 
      break;  
    }  
   } 
  if(!checked)
 	{ 
     alert("Selectati modalitatea de plata pentru cazare!");
   	 return  false; 
   	} 
  if (form.number.value=="Introduce-ti numarul...")
     {
           alert("Introduceti numarul din imagine!");
           form.number.focus();
           return false ;
     }
   	
     

}