function is_object( mixed_var ){	// Finds whether a variable is an object
	// 
	// +   original by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
	// +   improved by: Legaev Andrey
	// +   improved by: Michael White (http://crestidg.com)

	if(mixed_var instanceof Array) {
		return false;
	} else {
		return (mixed_var !== null) && (typeof( mixed_var ) == 'object');
	}
}