function clearForm(oForm) {
    
	var elements = oForm.elements; 
    
  	oForm.reset();

  	for(i=0; i<elements.length; i++) {
      
		field_type = elements[i].type.toLowerCase();
	
		switch(field_type) {
	
			case "name": 
			case "email": 
			case "subject":
	    	case "message":	
			
				elements[i].value = ""; 
			break;
        
			default: 
				break;
		}
    }
}