// JavaScript Document

showMe = function(val){
  document.getElementById(val).value = '';
};

hideMe = function(val,value){
  var elm = document.getElementById(val);
  if(elm && elm.value == ''){
  document.getElementById(val).value = value;
  }
};

getInput = function(obj,className1){
	if(obj){
		if(trim(obj.value," ") == ''){
			obj.value = '';
			obj.className=className1;
		}
	}
}

function trim(str, chars) {
	return ltrim(rtrim(str, chars), chars);
}
 
function ltrim(str, chars) {
	chars = chars || "\\s";
	return str.replace(new RegExp("^[" + chars + "]+", "g"), "");
}
 
function rtrim(str, chars) {
	chars = chars || "\\s";
	return str.replace(new RegExp("[" + chars + "]+$", "g"), "");
}