function checkFields()
{  
  var formObj = document.careerForm;
  var filter  = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
  
  var fieldsArr = eval('({"first_name":"First Name", "last_name":"Last Name", "email":"Email Address", "phone":"Phone","interested_positions":"Interested Positions"})');
    
  with(formObj)
  {

     for(var ind in fieldsArr)
     {
               
       if(eval(ind).value == '')
       {
     	   alert('Please Enter ' + fieldsArr[ind]);      	   
     	   eval(ind).focus();
     	   return false;
       }
       else if(ind == 'email')
       {
          if(filter.test(eval(ind).value))
          {
             ;	
          }
          else
          {
            alert('Please enter a valid email address');		
     	      eval(ind).focus();
     	      return false;
          }   		
       }
       
     }
  }
  
  return true;	

}//EO Fn