function dialogbox(dialogbox_url, width, height) {
     window.profileWin = new Window({
       className: "dialogbox",
       draggable: false,
       resizable: false,
       minimizable: false,
       maximizable: false,
       hideEffect:Element.hide,
       showEffect:Element.show,
       width: width,
       height: height,
       destroyOnClose: true,
       zIndex: 1000,
       url: dialogbox_url
     });
     //contentWin.setContent('downloadbox', true, true);
     window.profileWin.showCenter(true);
}