/*
* dragndrop
* version: 1.0.0 (05/13/2009)
* @ jQuery v1.2.*
*
* Licensed under the GPL:
*   http://gplv3.fsf.org
*
* Copyright 2008, 2009 Jericho [ thisnamemeansnothing[at]gmail.com ] 
*  usage:
*  
*/

(function($){$.extend($.fn,{getCss:function(key){var v=parseInt(this.css(key));if(isNaN(v))
return false;return v;}});$.fn.Drags=function(opts){var ps=$.extend({zIndex:20,opacity:.7,handler:null,onMove:function(){},onDrop:function(){},range:''},opts);var dragndrop={drag:function(e){var dragData=e.data.dragData;var dx=dragData.left+e.pageX-dragData.offLeft;var dy=dragData.top+e.pageY-dragData.offTop;var r=dragData.newRange;if(r!='')
dragData.target.css({left:dx<r[3]?r[3]:(dx>r[1]?r[1]:dx),top:dy<r[0]?r[0]:(dy>r[2]?r[2]:dy)});else
dragData.target.css({left:dx,top:dy});dragData.target.css({'opacity':ps.opacity,'cursor':'move'});dragData.onMove(e);},drop:function(e){var dragData=e.data.dragData;dragData.target.css(dragData.oldCss);dragData.handler.css('cursor',dragData.oldCss.cursor);dragData.onDrop(e);$(document).unbind('mousemove',dragndrop.drag).unbind('mouseup',dragndrop.drop);}}
return this.each(function(){var me=this;var handler=null;if(typeof ps.handler=='undefined'||ps.handler==null)
handler=$(me);else
handler=(typeof ps.handler=='string'?$(ps.handler,this):ps.handler);handler.bind('mousedown',{e:me},function(s){var target=$(s.data.e);var oldCss={};if(target.css('position')!='absolute'){try{target.position(oldCss);}catch(ex){}
target.css('position','absolute');}
oldCss.cursor=target.css('cursor')||'default';oldCss.opacity=target.getCss('opacity')||1;var newRange=[];if(ps.range=='window'){newRange=[$(window).scrollTop(),$(window).scrollLeft()+$(window).width()-target.outerWidth(),$(window).scrollTop()+$(window).height()-target.outerHeight(),$(window).scrollLeft()];}
else if(ps.range=='document'){newRange=[0,$(document).width()-target.outerWidth(),$(document).height()-target.outerHeight(),0];}else if(typeof ps.range=='object'){newRange=[ps.range[0],ps.range[1]-target.outerWidth(),ps.range[2]-target.outerWidth(),ps.range[3]];}else newRange=''
var dragData={left:oldCss.left||target.getCss('left')||0,top:oldCss.top||target.getCss('top')||0,width:target.width()||target.getCss('width'),height:target.height()||target.getCss('height'),offLeft:s.pageX,offTop:s.pageY,oldCss:oldCss,onMove:ps.onMove,onDrop:ps.onDrop,handler:handler,target:target,newRange:newRange}
target.css({'cursor':'move'});$(document).bind('mousemove',{dragData:dragData},dragndrop.drag).bind('mouseup',{dragData:dragData},dragndrop.drop);});});}})(jQuery);