if (this.newWindow && this.method == 'GET') {
// as ie seems buggy...
window.open( this.url + '?' + Roo.urlEncode(this.params || {}), '_blank');
if (this.newWindow && this.method == 'GET') {
// as ie seems buggy...
window.open( this.url + '?' + Roo.urlEncode(this.params || {}), '_blank');