// JavaScript Document
// JavaScript Document
String.prototype.is_email=function(){
   return (/^[\w-\.]+\@[\w\.-]+\.[a-z]{2,4}$/.test(this));	
}
String.prototype.is_empty=function(){
   return (this.search(/\S/)==-1)?true:false;	
}
jQuery.easing.elasout = function(x, t, b, c, d) {
	var s=1.70158;var p=0;var a=c;
	if (t==0) return b;  if ((t/=d)==1) return b+c;  if (!p) p=d*.3;
	if (a < Math.abs(c)) { a=c; var s=p/4; }
	else var s = p/(2*Math.PI) * Math.asin (c/a);
	return a*Math.pow(2,-10*t) * Math.sin( (t*d-s)*(2*Math.PI)/p ) + c + b;
};