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f=0,h;h=e[f];f++){if(b.parentNode==h){return[b]}}}else{if(a=="descendant"){for(var f=0,h;h=e[f];f++){if(Element.descendantOf(b,h)){return[b]}}}else{if(a=="adjacent"){for(var f=0,h;h=e[f];f++){if(Selector.handlers.previousElementSibling(b)==h){return[b]}}}else{e=g[a](e)}}}}for(var f=0,h;h=e[f];f++){if(h==b){return[b]}}return[]}return(b&&Element.descendantOf(b,d))?[b]:[]},className:function(a,d,b,c){if(a&&c){a=this[c](a)}return Selector.handlers.byClassName(a,d,b)},byClassName:function(f,e,a){if(!f){f=Selector.handlers.descendant([e])}var c=" "+a+" ";for(var h=0,g=[],b,d;b=f[h];h++){d=b.className;if(d.length==0){continue}if(d==a||(" "+d+" ").include(c)){g.push(b)}}return g},attrPresence:function(g,f,e,d){if(!g){g=f.getElementsByTagName("*")}if(g&&d){g=this[d](g)}var b=[];for(var a=0,c;c=g[a];a++){if(Element.hasAttribute(c,e)){b.push(c)}}return b},attr:function(h,e,d,f,j,i){if(!h){h=e.getElementsByTagName("*")}if(h&&i){h=this[i](h)}var g=Selector.operators[j],b=[];for(var 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0}if(a=="vertical"){return((this.offset[1]+b.offsetHeight)-this.ycomp)/b.offsetHeight}if(a=="horizontal"){return((this.offset[0]+b.offsetWidth)-this.xcomp)/b.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(a,b,c){c=c||{};return Element.clonePosition(b,a,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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