window.onload = function() {

  IN = document.getElementsByTagName('input');
  nIN = IN.length;
  for(i=0; i < nIN; i++){  	
    IN[i].onfocus = function(){
      this.className='focus';
    }
    IN[i].onblur = function(){
      this.className='';
    }
  }	
  IN = document.getElementsByTagName('textarea');
  nIN = IN.length;
  for(i=0; i < nIN; i++){  	
    IN[i].onfocus = function(){
      this.className='focus';
    }
    IN[i].onblur = function(){
      this.className='';
    }
  }	
  IN = document.getElementsByTagName('select');
  nIN = IN.length;
  for(i=0; i < nIN; i++){  	
    IN[i].onfocus = function(){
      this.className='focus';
    }
    IN[i].onblur = function(){
      this.className='';
    }
  }	
	document.getElementById('nom').focus();	
	
}