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instead');var 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(c,a,b){if(this.includeScrollOffsets){return this.withinIncludingScrolloffsets(c,a,b)}this.xcomp=a;this.ycomp=b;this.offset=Element.cumulativeOffset(c);return(b>=this.offset[1]&&b<this.offset[1]+c.offsetHeight&&a>=this.offset[0]&&a<this.offset[0]+c.offsetWidth)},withinIncludingScrolloffsets:function(d,b,c){var a=Element.cumulativeScrollOffset(d);this.xcomp=b+a[0]-this.deltaX;this.ycomp=c+a[1]-this.deltaY;this.offset=Element.cumulativeOffset(d);return(this.ycomp>=this.offset[1]&&this.ycomp<this.offset[1]+d.offsetHeight&&this.xcomp>=this.offset[0]&&this.xcomp<this.offset[0]+d.offsetWidth)},overlap:function(b,a){if(!b){return 0}if(b=="vertical"){return((this.offset[1]+a.offsetHeight)-this.ycomp)/a.offsetHeight}if(b=="horizontal"){return((this.offset[0]+a.offsetWidth)-this.xcomp)/a.offsetWidth}},cumulativeOffset:Element.Methods.cumulativeOffset,positionedOffset:Element.Methods.positionedOffset,absolutize:function(a){Position.prepare();return Element.absolutize(a)},relativize:function(a){Position.prepare();return Element.relativize(a)},realOffset:Element.Methods.cumulativeScrollOffset,offsetParent:Element.Methods.getOffsetParent,page:Element.Methods.viewportOffset,clone:function(b,a,c){c=c||{};return Element.clonePosition(a,b,c)}};if(!document.getElementsByClassName){document.getElementsByClassName=function(a){function b(c){return c.blank()?null:"[contains(concat(' ', @class, ' '), ' "+c+" ')]"}a.getElementsByClassName=Prototype.BrowserFeatures.XPath?function(d,c){c=c.toString().strip();var e=/\s/.test(c)?$w(c).map(b).join(""):b(c);return 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