/**********************************************************
 * Dialog object
 **********************************************************/
function Dialog(url, displayId) {
    this.url = url;
    this.displayId = displayId;
    this.display = document.getElementById(displayId);
    this.content = document.getElementById(displayId + "Content");
    this.iframe = document.getElementById(displayId + "IF");
    this.header = document.getElementById(displayId + "Header");
    this.parentKeyDown = document.onkeydown;
    this.onload = null;
    this.closed = true;
}

Dialog.prototype.setOnload = function(func) {
    this.onload = func;
}