(function(c){c.ui=c.ui||{};var l=/left|center|right/,m=/top|center|bottom/,n=c.fn.position;c.fn.position=function(b){if(!b||!b.of)return n.apply(this,arguments);var b=c.extend({},b),a=c(b.of),d=(b.collision||"flip").split(" "),e=b.offset?b.offset.split(" "):[0,0],f,h,g;b.of.nodeType===9?(f=a.width(),h=a.height(),g={top:0,left:0}):b.of.scrollTo&&b.of.document?(f=a.width(),h=a.height(),g={top:a.scrollTop(),left:a.scrollLeft()}):b.of.preventDefault?(b.at="left top",f=h=0,g={top:b.of.pageY,left:b.of.pageX}):
(f=a.outerWidth(),h=a.outerHeight(),g=a.offset());c.each(["my","at"],function(){var a=(b[this]||"").split(" ");a.length===1&&(a=l.test(a[0])?a.concat(["center"]):m.test(a[0])?["center"].concat(a):["center","center"]);a[0]=l.test(a[0])?a[0]:"center";a[1]=m.test(a[1])?a[1]:"center";b[this]=a});d.length===1&&(d[1]=d[0]);e[0]=parseInt(e[0],10)||0;e.length===1&&(e[1]=e[0]);e[1]=parseInt(e[1],10)||0;b.at[0]==="right"?g.left+=f:b.at[0]==="center"&&(g.left+=f/2);b.at[1]==="bottom"?g.top+=h:b.at[1]==="center"&&
(g.top+=h/2);g.left+=e[0];g.top+=e[1];return this.each(function(){var a=c(this),j=a.outerWidth(),k=a.outerHeight(),i=c.extend({},g);b.my[0]==="right"?i.left-=j:b.my[0]==="center"&&(i.left-=j/2);b.my[1]==="bottom"?i.top-=k:b.my[1]==="center"&&(i.top-=k/2);c.each(["left","top"],function(a,g){if(c.ui.position[d[a]])c.ui.position[d[a]][g](i,{targetWidth:f,targetHeight:h,elemWidth:j,elemHeight:k,offset:e,my:b.my,at:b.at})});c.fn.bgiframe&&a.bgiframe();a.offset(c.extend(i,{using:b.using}))})};c.ui.position=
{fit:{left:function(b,a){var d=c(window),d=b.left+a.elemWidth-d.width()-d.scrollLeft();b.left=d>0?b.left-d:Math.max(0,b.left)},top:function(b,a){var d=c(window),d=b.top+a.elemHeight-d.height()-d.scrollTop();b.top=d>0?b.top-d:Math.max(0,b.top)}},flip:{left:function(b,a){if(a.at[0]!=="center"){var d=c(window),d=b.left+a.elemWidth-d.width()-d.scrollLeft(),e=a.my[0]==="left"?-a.elemWidth:a.my[0]==="right"?a.elemWidth:0,f=-2*a.offset[0];b.left+=b.left<0?e+a.targetWidth+f:d>0?e-a.targetWidth+f:0}},top:function(b,
a){if(a.at[1]!=="center"){var d=c(window),d=b.top+a.elemHeight-d.height()-d.scrollTop(),e=a.my[1]==="top"?-a.elemHeight:a.my[1]==="bottom"?a.elemHeight:0,f=a.at[1]==="top"?a.targetHeight:-a.targetHeight,h=-2*a.offset[1];b.top+=b.top<0?e+a.targetHeight+h:d>0?e+f+h:0}}}};if(!c.offset.setOffset){c.offset.setOffset=function(b,a){if(/static/.test(jQuery.curCSS(b,"position")))b.style.position="relative";var d=jQuery(b),c=d.offset(),f=parseInt(jQuery.curCSS(b,"top",!0),10)||0,h=parseInt(jQuery.curCSS(b,
"left",!0),10)||0,c={top:a.top-c.top+f,left:a.left-c.left+h};"using"in a?a.using.call(b,c):d.css(c)};var o=c.fn.offset;c.fn.offset=function(b){var a=this[0];return!a||!a.ownerDocument?null:b?this.each(function(){c.offset.setOffset(this,b)}):o.call(this)}}})(jQuery);