/*
 * jQuery Impromptu
 * By: Trent Richardson [http://trentrichardson.com]
 * Version 1.2
 * Last Modified: 11/21/2007
 * 
 * Copyright 2007 Trent Richardson
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

jQuery.extend({ImpromptuDefaults:{prefix:'jqi',buttons:{Ok:true},loaded:function(){},submit:function(){return true},callback:function(){},container:'body',opacity:0.6,overlayspeed:'slow',promptspeed:'fast',show:'show'},SetImpromptuDefaults:function(o){jQuery.ImpromptuDefaults=jQuery.extend({},jQuery.ImpromptuDefaults,o)},prompt:function(m,o){o=jQuery.extend({},jQuery.ImpromptuDefaults,o);var ie6=(jQuery.browser.msie&&jQuery.browser.version<7);var b=(ie6)?jQuery(document.body):jQuery(o.container);var fade='<div class="'+o.prefix+'fade" id="'+o.prefix+'fade"></div>';if((jQuery.browser.msie&&jQuery('object, applet').length>0)||ie6)fade='<iframe src="" class="'+o.prefix+'fade" id="'+o.prefix+'fade"></iframe>';var msgbox='<div class="'+o.prefix+'" id="'+o.prefix+'"><div class="'+o.prefix+'container"><div class="'+o.prefix+'message">'+m+'</div><div class="'+o.prefix+'buttons" id="'+o.prefix+'buttons">';jQuery.each(o.buttons,function(k,v){msgbox+='<button name="'+o.prefix+'button'+k+'" id="'+o.prefix+'button'+k+'" value="'+v+'">'+k+'</button>'});msgbox+='</div></div></div>';var jqi=b.prepend(msgbox).children('#'+o.prefix);var jqif=b.prepend(fade).children('#'+o.prefix+'fade');var getfoffset=function(){return(document.documentElement.scrollTop||document.body.scrollTop)+'px'};var getjoffset=function(){return(document.documentElement.scrollTop||document.body.scrollTop)+Math.round(15*(document.documentElement.offsetHeight||document.body.clientHeight)/100)+'px'};var ie6scroll=function(){jqif.css({top:getfoffset()});jqi.css({top:getjoffset()})};jqif.css({position:"absolute",height:(ie6)?"100%":b.height(),width:"100%",top:(ie6)?getfoffset():0,left:0,right:0,bottom:0,zIndex:998,display:"none",opacity:o.opacity});jqi.css({position:(ie6)?"absolute":"fixed",top:(ie6)?getjoffset():"30%",left:"50%",display:"none",zIndex:999,marginLeft:((((jqi.css("paddingLeft").split("px")[0]*1)+jqi.width())/2)*-1)});jQuery('#'+o.prefix+'buttons').children('button').click(function(){var msg=jqi.children('.'+o.prefix+'container').children('.'+o.prefix+'message');var clicked=o.buttons[jQuery(this).text()];if(o.submit(clicked,msg)){jqi.remove();if(ie6)jQuery(window).unbind('scroll',ie6scroll);jqif.fadeOut(o.overlayspeed,function(){jqif.remove();o.callback(clicked,msg)})}});if(ie6)jQuery(window).scroll(ie6scroll);jqif.fadeIn(o.overlayspeed);jqi[o.show](o.promptspeed,o.loaded);return jqi}});