jquery.modalmsg.js

//args = [title] (title string)
//args = [title,html] (title string, html string)
//args = [{}] (options object)
jQuery.fn.modalmsg = function(options) {
    var SELF = this,
        doclose = false,
        title;

    if(arguments.length == 2) {
        title = options; //title string
        html = arguments[1]; //html string
    } else if(typeof options == "string") {
        if (options == "close") {
            doclose = true;
        } else {
            title = options;//title string
        }
    } else {
        title = options.title;//title string
        html = options.html;
    }

    //initialize dialog if necessary
    if(!SELF.is(":data(dialog)")) {
        //create the dialog
        SELF.dialog({
            modal: true,
            resizable: false,
            draggable: false,
            title: msg,
            autoOpen: !doclose //if creating the dialog but msg was "close" dont open it
        });
        //remove the close link
        SELF.prev().find(".ui-dialog-titlebar-close").remove();
    }

    //if no msg is provided, use "Please wait..." as default
    var msg = title || "Please wait...";

    //detect if the dialog is open, closed, or undefined
    switch (SELF.dialog("isOpen")) {
        case true: //if its open
            //and msg is "close", then close it
            if (doclose) {
                SELF.dialog("close");
            } else { //else update the msg
              SELF.dialog( "option", "title", msg );
            }
            break;
        case false: //if its closed
            //and msg is "close", then do nothing
            //if msg is not "close", update msg and open it
            if (!doclose) {
              SELF.dialog( "option", "title", msg )
                  .dialog("open");
            }
            break;
    }

    return SELF;
};