(function($){
$.alerts={
verticalOffset:-75,
horizontalOffset: 0,
repositionOnResize: true,
overlayOpacity: .01,
overlayColor: '#FFF',
draggable: true,
okButton: ' OK ',
cancelButton: ' Cancel ',
dialogClass: null,
alert: function(message,title,callback){
if(title==null)title='Alert'
$.alerts._show(title,message,null,'alert',function(result){
if(callback)callback(result)
})
},
confirm: function(message,title,callback){
if(title==null)title='Confirm'
$.alerts._show(title,message,null,'confirm',function(result){
if(callback)callback(result)
})
},
prompt: function(message,value,title,callback){
if(title==null)title='Prompt'
$.alerts._show(title,message,value,'prompt',function(result){
if(callback)callback(result)
})
},
_show: function(title,msg,value,type,callback){
$.alerts._hide()
$.alerts._overlay('show')
$("BODY").append(
'<div id="popup_container">'+
'<h1 id="popup_title"></h1>'+
'<div id="popup_content">'+
'<div id="popup_message"></div>'+
'</div>'+
'</div>')
if($.alerts.dialogClass)$("#popup_container").addClass($.alerts.dialogClass)
var pos=($.browser.msie&&parseInt($.browser.version)<=6)? 'absolute' : 'fixed'
$("#popup_container").css({
position: pos,
zIndex: 99999,
padding: 0,
margin: 0
})
$("#popup_title").text(title)
$("#popup_content").addClass(type)
$("#popup_message").text(msg)
$("#popup_message").html($("#popup_message").text().replace(/\n/g,'<br />'))
$("#popup_container").css({
minWidth: $("#popup_container").outerWidth(),
maxWidth: $("#popup_container").outerWidth()
})
$.alerts._reposition()
$.alerts._maintainPosition(true)
switch(type){
case 'alert':
$("#popup_message").after('<div id="popup_panel"><input type="button" value="'+$.alerts.okButton+'" id="popup_ok" /></div>')
$("#popup_ok").click(function(){
$.alerts._hide()
callback(true)
})
$("#popup_ok").focus().keypress(function(e){
if(e.keyCode==13 || e.keyCode==27)$("#popup_ok").trigger('click')
})
break
case 'confirm':
$("#popup_message").after('<div id="popup_panel"><input type="button" value="'+$.alerts.okButton+'" id="popup_ok" /> <input type="button" value="'+$.alerts.cancelButton+'" id="popup_cancel" /></div>')
$("#popup_ok").click(function(){
$.alerts._hide()
if(callback)callback(true)
})
$("#popup_cancel").click(function(){
$.alerts._hide()
if(callback)callback(false)
})
$("#popup_ok").focus()
$("#popup_ok, #popup_cancel").keypress(function(e){
if(e.keyCode==13)$("#popup_ok").trigger('click')
if(e.keyCode==27)$("#popup_cancel").trigger('click')
})
break
case 'prompt':
$("#popup_message").append('<br /><input type="text" size="30" id="popup_prompt" />').after('<div id="popup_panel"><input type="button" value="'+$.alerts.okButton+'" id="popup_ok" /> <input type="button" value="'+$.alerts.cancelButton+'" id="popup_cancel" /></div>')
$("#popup_prompt").width($("#popup_message").width())
$("#popup_ok").click(function(){
var val=$("#popup_prompt").val()
$.alerts._hide()
if(callback)callback(val)
})
$("#popup_cancel").click(function(){
$.alerts._hide()
if(callback)callback(null)
})
$("#popup_prompt, #popup_ok, #popup_cancel").keypress(function(e){
if(e.keyCode==13)$("#popup_ok").trigger('click')
if(e.keyCode==27)$("#popup_cancel").trigger('click')
})
if(value)$("#popup_prompt").val(value)
$("#popup_prompt").focus().select()
break}
if($.alerts.draggable){
try{
$("#popup_container").draggable({handle: $("#popup_title")})
$("#popup_title").css({cursor: 'move'})
}catch(e){}}
},
_hide: function(){
$("#popup_container").remove()
$.alerts._overlay('hide')
$.alerts._maintainPosition(false)
},
_overlay: function(status){
switch(status){
case 'show':
$.alerts._overlay('hide')
$("BODY").append('<div id="popup_overlay"></div>')
$("#popup_overlay").css({
position: 'absolute',
zIndex: 99998,
top: '0px',
left: '0px',
width: '100%',
height: $(document).height(),
background: $.alerts.overlayColor,
opacity: $.alerts.overlayOpacity
})
break
case 'hide':
$("#popup_overlay").remove()
break}
},
_reposition: function(){
var top=(($(window).height()/2)-($("#popup_container").outerHeight()/2))+$.alerts.verticalOffset
var left=(($(window).width()/2)-($("#popup_container").outerWidth()/2))+$.alerts.horizontalOffset
if(top<0)top=0
if(left<0)left=0
if($.browser.msie&&parseInt($.browser.version)<=6)top=top+$(window).scrollTop()
$("#popup_container").css({
top: top+'px',
left: left+'px'
})
$("#popup_overlay").height($(document).height())
},
_maintainPosition: function(status){
if($.alerts.repositionOnResize){
switch(status){
case true:
$(window).bind('resize',$.alerts._reposition)
break
case false:
$(window).unbind('resize',$.alerts._reposition)
break}}}}
jAlert=function(message,title,callback){
$.alerts.alert(message,title,callback)}
jConfirm=function(message,title,callback){
$.alerts.confirm(message,title,callback)}
jPrompt=function(message,value,title,callback){
$.alerts.prompt(message,value,title,callback)}
})(jQuery)