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// $Id$
/*
* jQuery UI Position 1.8
*
* Copyright (c) 2010 AUTHORS.txt (http://jqueryui.com/about)
* Dual licensed under the MIT (MIT-LICENSE.txt)
* and GPL (GPL-LICENSE.txt) licenses.
*
* http://docs.jquery.com/UI/Position
*/
(function(f){f.ui=f.ui||{};var c=/left|center|right/,e="center",d=/top|center|bottom/,g="center",a=f.fn.position,b=f.fn.offset;f.fn.position=function(i){if(!i||!i.of){return a.apply(this,arguments)}i=f.extend({},i);var l=f(i.of),n=(i.collision||"flip").split(" "),m=i.offset?i.offset.split(" "):[0,0],k,h,j;if(i.of.nodeType===9){k=l.width();h=l.height();j={top:0,left:0}}else{if(i.of.scrollTo&&i.of.document){k=l.width();h=l.height();j={top:l.scrollTop(),left:l.scrollLeft()}}else{if(i.of.preventDefault){i.at="left top";k=h=0;j={top:i.of.pageY,left:i.of.pageX}}else{k=l.outerWidth();h=l.outerHeight();j=l.offset()}}}f.each(["my","at"],function(){var o=(i[this]||"").split(" ");if(o.length===1){o=c.test(o[0])?o.concat([g]):d.test(o[0])?[e].concat(o):[e,g]}o[0]=c.test(o[0])?o[0]:e;o[1]=d.test(o[1])?o[1]:g;i[this]=o});if(n.length===1){n[1]=n[0]}m[0]=parseInt(m[0],10)||0;if(m.length===1){m[1]=m[0]}m[1]=parseInt(m[1],10)||0;if(i.at[0]==="right"){j.left+=k}else{if(i.at[0]===e){j.left+=k/2}}if(i.at[1]==="bottom"){j.top+=h}else{if(i.at[1]===g){j.top+=h/2}}j.left+=m[0];j.top+=m[1];return this.each(function(){var r=f(this),q=r.outerWidth(),p=r.outerHeight(),o=f.extend({},j);if(i.my[0]==="right"){o.left-=q}else{if(i.my[0]===e){o.left-=q/2}}if(i.my[1]==="bottom"){o.top-=p}else{if(i.my[1]===g){o.top-=p/2}}f.each(["left","top"],function(t,s){if(f.ui.position[n[t]]){f.ui.position[n[t]][s](o,{targetWidth:k,targetHeight:h,elemWidth:q,elemHeight:p,offset:m,my:i.my,at:i.at})}});if(f.fn.bgiframe){r.bgiframe()}r.offset(f.extend(o,{using:i.using}))})};f.ui.position={fit:{left:function(h,i){var k=f(window),j=h.left+i.elemWidth-k.width()-k.scrollLeft();h.left=j>0?h.left-j:Math.max(0,h.left)},top:function(h,i){var k=f(window),j=h.top+i.elemHeight-k.height()-k.scrollTop();h.top=j>0?h.top-j:Math.max(0,h.top)}},flip:{left:function(i,j){if(j.at[0]==="center"){return}var l=f(window),k=i.left+j.elemWidth-l.width()-l.scrollLeft(),h=j.my[0]==="left"?-j.elemWidth:j.my[0]==="right"?j.elemWidth:0,m=-2*j.offset[0];i.left+=i.left<0?h+j.targetWidth+m:k>0?h-j.targetWidth+m:0},top:function(i,k){if(k.at[1]==="center"){return}var m=f(window),l=i.top+k.elemHeight-m.height()-m.scrollTop(),h=k.my[1]==="top"?-k.elemHeight:k.my[1]==="bottom"?k.elemHeight:0,j=k.at[1]==="top"?k.targetHeight:-k.targetHeight,n=-2*k.offset[1];i.top+=i.top<0?h+k.targetHeight+n:l>0?h+j+n:0}}};if(!f.offset.setOffset){f.offset.setOffset=function(l,i){if(/static/.test(f.curCSS(l,"position"))){l.style.position="relative"}var k=f(l),n=k.offset(),h=parseInt(f.curCSS(l,"top",true),10)||0,m=parseInt(f.curCSS(l,"left",true),10)||0,j={top:(i.top-n.top)+h,left:(i.left-n.left)+m};if("using" in i){i.using.call(l,j)}else{k.css(j)}};f.fn.offset=function(h){var i=this[0];if(!i||!i.ownerDocument){return null}if(h){return this.each(function(){f.offset.setOffset(this,h)})}return b.call(this)}}}(jQuery));
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