var result;
	
function isInt(x) {
   var y=parseInt(x);
   if (isNaN(y)) return false;
   return x==y && x.toString()==y.toString();
 } 
 
function dump(arr,max,level) {
var dumped_text = "";
if(!level) level = 0;
if(!max)max = 5;
if(level==max) {
	return dumped_text;
}
//The padding given at the beginning of the line.
var level_padding = "";
for(var j=0;j<level+1;j++) level_padding += "    ";

if(typeof(arr) == 'object') { //Array/Hashes/Objects
 for(var item in arr) {
  var value = arr[item];
 
  if(typeof(value) == 'object') { //If it is an array,
   dumped_text += level_padding + "'" + item + "' ...\n";
   dumped_text += dump(value,max,level+1);
  } else {
   dumped_text += level_padding + "'" + item + "' => \"" + value + "\"\n";
  }
 }
} else { //Stings/Chars/Numbers etc.
 dumped_text = "===>"+arr+"<===("+typeof(arr)+")";
}
return dumped_text;
}

  function isset(varname)  {
  if(typeof( window[ varname ] ) != "undefined") return true;
  else return false;
}