$(document).ready(function(){
   $(".searchfield").focus();
  	var searchLength = $(".searchfield").val().length;
  	
  	if (searchLength>0) {
  		
  		if (searchLength<4) {
 		$(".searchfield").css('border','1px solid #ff0000').select();
 		}
 		else {
 		$(".searchfield").select();
 		}
 			
 		
  	}

 });