String.prototype.format=function()
{var pattern=/\{\d+\}/g;var args=arguments;return this.replace(pattern,function(capture){return args[capture.match(/\d+/)];});};String.prototype.startsWith=function(str)
{return(this.indexOf(str)===0);}
function urlparam(param)
{var regex='[?&]'+param+'=([^&#]*)';var results=(new RegExp(regex)).exec(window.location.href);if(results)
{return results[1];}
return'';};function dir(ob)
{out=[];for(attr in ob)
{out.push('{0}: {1}'.format(attr,ob[attr]));}
out.sort();return out;}