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Position={includeScrollOffsets:false,prepare:function(){this.deltaX=window.pageXOffset||document.documentElement.scrollLeft||document.body.scrollLeft||0;this.deltaY=window.pageYOffset||document.documentElement.scrollTop||document.body.scrollTop||0},within:function(D,E,F){if(this.includeScrollOffsets){return this.withinIncludingScrolloffsets(D,E,F)}this.xcomp=E;this.ycomp=F;this.offset=Element.cumulativeOffset(D);return(F>=this.offset[1]&&F<this.offset[1]+D.offsetHeight&&E>=this.offset[0]&&E<this.offset[0]+D.offsetWidth)},withinIncludingScrolloffsets:function(G,H,E){var F=Element.cumulativeScrollOffset(G);this.xcomp=H+F[0]-this.deltaX;this.ycomp=E+F[1]-this.deltaY;this.offset=Element.cumulativeOffset(G);return(this.ycomp>=this.offset[1]&&this.ycomp<this.offset[1]+G.offsetHeight&&this.xcomp>=this.offset[0]&&this.xcomp<this.offset[0]+G.offsetWidth)},overlap:function(C,D){if(!C){return 0}if(C=="vertical"){return((this.offset[1]+D.offsetHeight)-this.ycomp)/D.offsetHeight}if(C=="horizontal"){return((this.offset[0]+D.offsetWidth)-this.xcomp)/D.offsetWidth}},cumulativeOffset:Element.Methods.cumulativeOffset,positionedOffset:Element.Methods.positionedOffset,absolutize:function(B){Position.prepare();return Element.absolutize(B)},relativize:function(B){Position.prepare();return Element.relativize(B)},realOffset:Element.Methods.cumulativeScrollOffset,offsetParent:Element.Methods.getOffsetParent,page:Element.Methods.viewportOffset,clone:function(D,F,E){E=E||{};return Element.clonePosition(F,D,E)}};if(!document.getElementsByClassName){document.getElementsByClassName=function(C){function D(A){return A.blank()?null:"[contains(concat(' ', @class, ' '), ' "+A+" ')]"}C.getElementsByClassName=Prototype.BrowserFeatures.XPath?function(B,F){F=F.toString().strip();var A=/\s/.test(F)?$w(F).map(D).join(""):D(F);return 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