(function($){$.fn.checkgroup=function(options){settings=$.extend({groupSelector:null,maxItem:0,enabledOnly:false,message:null,onComplete:null,onChange:null},options||{});var ctrl_box=this;var grp_slctr=(settings.groupSelector==null)?'myGroup':settings.groupSelector;settings.message=(settings.message==null)?'Only pick':settings.message;var grp_data=settings;var _onComplete=settings.onComplete;var _onChange=settings.onChange;_ctrl_box_autoenable=function(cur_grp,maxItem,e,mess){if(cur_grp!=null){if((maxItem>0)&&($(cur_grp+':checked').size()>maxItem)){$(e).attr('checked',false);alert(mess+" "+maxItem+"!");}
else{if($(cur_grp).size()==$(cur_grp+':checked').size()){$(cur_grp+"_checkall").attr('checked',true);}}}}
_ctrl_box_autodisable=function(cur_grp){$(cur_grp+"_checkall").attr('checked',false);}
if(settings.enabledOnly){grp_slctr+=':enabled';}
ctrl_box.click(function(e){cur_grp=grp_data.groupSelector;var chk_val=(e.target.checked);if(chk_val==true){if((grp_data.maxItem>0)&&($(cur_grp).size()>grp_data.maxItem)){$(cur_grp+"_checkall").attr('checked',false);alert(grp_data.message+" "+grp_data.maxItem+"!");}
else{$(cur_grp).attr('checked',chk_val);}}
else{$(cur_grp).attr('checked',chk_val);}});$(grp_slctr).click(function(){cur_grp=grp_data.groupSelector;if(!this.checked){_ctrl_box_autodisable(cur_grp);}
else{_ctrl_box_autoenable(cur_grp,grp_data.maxItem,this,grp_data.message);}});return this;};})(jQuery);