/**
 * jspceo (v2.0)  -  class: jqextend.js   for jquery extend.
 *
 *
 *
 * =============================================================
 * -------------------------
 * drag:
 * -------------------------
 * exp: dragobj.drag(obj);
 * eg.: $("#dialog").drag(".dialogtitle");
 *
 *
 * -------------------------
 * resize:
 * -------------------------
 * exp: resizeobj.resize(obj);
 * eg.: $("#dialog").resize("#rbjiao");
 *
 *
 * =============================================================
 * 
 *
 *
 * jqmodal - minimalist modaling with jquery
 *
 * copyright (c) 2007 brice burgess <bhb@iceburg.net>, http://www.iceburg.net
 * licensed under the mit license:
 * http://www.opensource.org/licenses/mit-license.php
 * 
 * $version: 2007.08.17 +r11
 * plug: drag, resize
 *
**/

(function($){
    $.fn.drag=function(h){
        return i(this,h,'d');
    };
    $.fn.resize=function(h){
        return i(this,h,'r');
    };
    $.jqdnr={
        dnr:{},
        e:0,
        drag:function(v){
             if(m.k == 'd')e.css({left:m.x+v.pagex-m.px,top:m.y+v.pagey-m.py});
             else e.css({width:math.max(v.pagex-m.px+m.w,0),height:math.max(v.pagey-m.py+m.h,0)});
             return false;
        },
        stop:function(){
            e.css('opacity',m.o);
            $().unbind('mousemove',j.drag).unbind('mouseup',j.stop);
        }
    };
    var j=$.jqdnr,m=j.dnr,e=j.e,
    i=function(e,h,k){
        return e.each(function(){
            h=(h)?$(h,e):e;
            h.bind('mousedown',{e:e,k:k},function(v){
                var d=v.data,p={};
                e=d.e;
                // attempt utilization of dimensions plugin to fix ie issues
                if(e.css('position') != 'relative'){
                    try{e.position(p);}catch(e){}
                }
                m={
                    x  : p.left || f('left') || 0,
                    y  : p.top  || f('top')  || 0,
                    w  : f('width')  || e[0].scrollwidth  || 0,
                    h  : f('height') || e[0].scrollheight || 0,
                    px : v.pagex,
                    py : v.pagey,
                    k  : d.k,
                    o  : e.css('opacity')
                };
                e.css({
                    opacity:0.9
                });
                $().mousemove($.jqdnr.drag).mouseup($.jqdnr.stop);
                return false;
            });
        });
    },
    f=function(k){
        return parseint(e.css(k)) || false;
    };
})(jquery);