/*
	jQuery List DragSort v0.3.10
	Website: http://dragsort.codeplex.com/
	License: http://dragsort.codeplex.com/license
*/
(function(a){a.fn.dragsort=function(c){var d=a.extend({},a.fn.dragsort.defaults,c);var b=new Array();var f=null,e=null;if(this.selector){a("head").append("<style type='text/css'>"+(this.selector.split(",").join(" "+d.dragSelector+",")+" "+d.dragSelector)+" { cursor: pointer; }</style>")}this.each(function(h,g){if(a(g).is("table")&&a(g).children().size()==1&&a(g).children().is("tbody")){g=a(g).children().get(0)}var j={draggedItem:null,placeHolderItem:null,pos:null,offset:null,offsetLimit:null,container:g,init:function(){a(this.container).attr("listIdx",h).mousedown(this.grabItem).find(d.dragSelector).css("cursor","pointer")},grabItem:function(l){if(l.button==2||a(l.target).is(d.dragSelectorExclude)){return}var n=l.target;while(!a(n).is("[listIdx="+a(this).attr("listIdx")+"] "+d.dragSelector)){if(n==this){return}n=n.parentNode}if(f!=null&&f.draggedItem!=null){f.dropItem()}a(l.target).css("cursor","move");f=b[a(this).attr("listIdx")];f.draggedItem=a(n).closest(d.itemSelector);var i=parseInt(f.draggedItem.css("marginTop"));var m=parseInt(f.draggedItem.css("marginLeft"));f.offset=f.draggedItem.offset();f.offset.top=l.pageY-f.offset.top+(isNaN(i)?0:i)-1;f.offset.left=l.pageX-f.offset.left+(isNaN(m)?0:m)-1;if(!d.dragBetween){var k=a(f.container).outerHeight()==0?Math.max(1,Math.round(0.5+a(f.container).children(d.itemSelector).size()*f.draggedItem.outerWidth()/a(f.container).outerWidth()))*f.draggedItem.outerHeight():a(f.container).outerHeight();f.offsetLimit=a(f.container).offset();f.offsetLimit.right=f.offsetLimit.left+a(f.container).outerWidth()-f.draggedItem.outerWidth();f.offsetLimit.bottom=f.offsetLimit.top+k-f.draggedItem.outerHeight()}f.draggedItem.css({position:"absolute",opacity:0.8,"z-index":999}).after(d.placeHolderTemplate);f.placeHolderItem=f.draggedItem.next().css("height",f.draggedItem.height()).attr("placeHolder",true);a(b).each(function(p,o){o.ensureNotEmpty();o.buildPositionTable()});f.setPos(l.pageX,l.pageY);a(document).bind("selectstart",f.stopBubble);a(document).bind("mousemove",f.swapItems);a(document).bind("mouseup",f.dropItem);return false},setPos:function(i,m){var l=m-this.offset.top;var k=i-this.offset.left;if(!d.dragBetween){l=Math.min(this.offsetLimit.bottom,Math.max(l,this.offsetLimit.top));k=Math.min(this.offsetLimit.right,Math.max(k,this.offsetLimit.left))}this.draggedItem.parents().each(function(){if(a(this).css("position")!="static"&&(!a.browser.mozilla||a(this).css("display")!="table")){var n=a(this).offset();l-=n.top;k-=n.left;return false}});this.draggedItem.css({top:l,left:k})},buildPositionTable:function(){var i=this.draggedItem==null?null:this.draggedItem.get(0);var k=new Array();a(this.container).children(d.itemSelector).each(function(l,n){if(n!=i){var m=a(n).offset();m.right=m.left+a(n).width();m.bottom=m.top+a(n).height();m.elm=n;k.push(m)}});this.pos=k},dropItem:function(){if(f.draggedItem==null){return}a(f.container).find(d.dragSelector).css("cursor","pointer");f.placeHolderItem.before(f.draggedItem);f.draggedItem.css({position:"",top:"",left:"",opacity:"","z-index":""});f.placeHolderItem.remove();a("*[emptyPlaceHolder]").remove();d.dragEnd.apply(f.draggedItem);f.draggedItem=null;a(document).unbind("selectstart",f.stopBubble);a(document).unbind("mousemove",f.swapItems);a(document).unbind("mouseup",f.dropItem);return false},stopBubble:function(){return false},swapItems:function(n){if(f.draggedItem==null){return false}f.setPos(n.pageX,n.pageY);var m=f.findPos(n.pageX,n.pageY);var l=f;for(var k=0;m==-1&&d.dragBetween&&k<b.length;k++){m=b[k].findPos(n.pageX,n.pageY);l=b[k]}if(m==-1||a(l.pos[m].elm).attr("placeHolder")){return false}if(e==null||e.top>f.draggedItem.offset().top||e.left>f.draggedItem.offset().left){a(l.pos[m].elm).before(f.placeHolderItem)}else{a(l.pos[m].elm).after(f.placeHolderItem)}a(b).each(function(p,o){o.ensureNotEmpty();o.buildPositionTable()});e=f.draggedItem.offset();return false},findPos:function(k,m){for(var l=0;l<this.pos.length;l++){if(this.pos[l].left<k&&this.pos[l].right>k&&this.pos[l].top<m&&this.pos[l].bottom>m){return l}}return -1},ensureNotEmpty:function(){if(!d.dragBetween){return}var i=this.draggedItem==null?null:this.draggedItem.get(0);var l=null,k=true;a(this.container).children(d.itemSelector).each(function(m,n){if(a(n).attr("emptyPlaceHolder")){l=n}else{if(n!=i){k=false}}});if(k&&l==null){a(this.container).append(d.placeHolderTemplate).children(":last").attr("emptyPlaceHolder",true)}else{if(!k&&l!=null){a(l).remove()}}}};j.init();b.push(j)});return this};a.fn.dragsort.defaults={itemSelector:"li",dragSelector:"li",dragSelectorExclude:"input, a[href]",dragEnd:function(){},dragBetween:false,placeHolderTemplate:"<li>&nbsp;</li>"}})(jQuery);