function addslashes( str ) {
	// http://kevin.vanzonneveld.net
	// +   original by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
	// +   improved by: Ates Goral (http://magnetiq.com)
	// +   improved by: marrtins
	// +   improved by: Nate
	// +   improved by: Onno Marsman
	// *     example 1: addslashes("kevin's birthday");
	// *     returns 1: 'kevin\'s birthday'
	
	return (str+'').replace(/([\\"'])/g, "\\$1").replace(/\0/g, "\\0");
}