if(typeof Yqa=="undefined"){Yqa={};Yqa.Display=(function(){function $(){var elements=[];for(var i=0;i<arguments.length;i++){var element=arguments[i];if(typeof element=='string')element=document.getElementById(element);if(arguments.length==1)return element;elements.push(element)}return elements};function insertAfter(parent,node,referenceNode){parent.insertBefore(node,referenceNode.nextSibling)};function getElementsByClass(theclass,node,tag){var classElements=[];if(node==null)node=document;if(tag==null)tag='*';var els=node.getElementsByTagName(tag);var elsLen=els.length;var pattern=new RegExp("(^|\\s)"+theclass+"(\\s|$)");for(i=0,j=0;i<elsLen;i++){if(pattern.test(els[i].className)){classElements[j]=els[i];j++}}return classElements};function getFirstChild(element){element=element.firstChild;return element&&element.nodeType!=1?nextSibling(element):element};function getPreviousSibling(element){do{element=element.previousSibling}while(element&&element.nodeType!=1);return element};function getNextSibling(element){do{element=elem.nextSibling}while(element&&element.nodeType!=1);return element};function getLastChild(element){elem=element.lastChild;return element&&element.nodeType!=1?prevSibling(element):element};function addEvent(element,type,handler){if(!handler.$$guid)handler.$$guid=addEvent.guid++;if(!element.events)element.events={};var handlers=element.events[type];if(!handlers){handlers=element.events[type]={};if(element["on"+type]){handlers[0]=element["on"+type]}}handlers[handler.$$guid]=handler;element["on"+type]=handleEvent};addEvent.guid=1;function removeEvent(element,type,handler){if(element.events&&element.events[type]){delete element.events[type][handler.$$guid]}};function handleEvent(event){var returnValue=true;event=event||fixEvent(window.event);var handlers=this.events[event.type];for(var i in handlers){this.$$handleEvent=handlers[i];if(this.$$handleEvent(event)===false){returnValue=false}}return returnValue};function fixEvent(event){event.preventDefault=fixEvent.preventDefault;event.stopPropagation=fixEvent.stopPropagation;return event};fixEvent.preventDefault=function(){this.returnValue=false};fixEvent.stopPropagation=function(){this.cancelBubble=true};function addClass(element,className){if(!hasClass(element,className)){element.className+=(element.className?" ":"")+className}};function hasClass(element,className){var regexp=new RegExp("(^|\\s)"+className+"(\\s|$)");return regexp.test(element.className)};function removeClass(element,className){var regexp=new RegExp("(^|\\s)"+className+"(\\s|$)","g");element.className=trim(element.className.replace(regexp,"$2"))};function toggleClass(element,className){if(hasClass(element,className)){removeClass(element,className)}else{addClass(element,className)}};function trim(string){return string.replace(/^\s\s*/,'').replace(/\s\s*$/,'')};function getText(e){var t="";e=e.childNodes||e;for(var j=0;j<e.length;j++){t+=e[j].nodeType!=1?e[j].nodeValue:getText(e[j].childNodes)}return t};function getElementsByAttribute(theAttribute,theValue,searchNode){if(searchNode==null)searchNode=document;var nodeTags=searchNode.getElementsByTagName('*');var results=new Array();var pattern=new RegExp("(^|\\s)"+theValue+"(\\s|$)");for(i=0,j=0;i<nodeTags.length;i++){if(nodeTags[i].getAttribute(theAttribute)){if(nodeTags[i].getAttribute(theAttribute)==theValue){results.push(nodeTags[i])}}}return results}function initYqa(){if($("yqa-full-list")){var yqaContents=$("yqa-container").removeChild($("yqa-full-list"));$("yqa-container").innerHTML='<div id="yqa"><div id="yqa-content"><div id="yqa-categories"><div id="yqa-categories-content"></div><div id="yqa-categories-top"> </div><div id="yqa-categories-bottom"> </div>    </div>    <div id="yqa-answers"> <div id="yqa-intro-content"><p>Whether you have a relapsing form of MS, are considering Rebif&reg; (interferon beta-1a), or have a friend or family member living with MS, you\'ve come to the right place. Read through the following questions and answers and watch the video selections. You asked these questions, and we assembled a team of doctors and nurses to answer them. This content is not meant to be a substitute for advice from your personal physician. Please be sure to consult your physician.</p><p>To help you access the information you want quickly, start by clicking on a topic.</p></div>   <div id="yqa-questions-content">    </div>   <div id="yqa-answers-content"><p id="your-question-answered-by"></p> <p id="yqa-close"></p>    </div>    <div id="yqa-answers-top"> </div>     <div id="yqa-answers-bottom"> </div><div id="yqa-questions-top"> </div>     <div id="yqa-questions-bottom"> </div>      </div>  </div>  <div id="yqa-top"> <p id="yqa-select-a-category">Select a category</p> <p id="yqa-select-a-question">Select a Question</p><p id="yqa-back-to-questions">Back to Questions</p><p id="yqa-print-question">Print Question</p></div><div id="yqa-bottom"><p id="yqa-previous-question" rel="prev">Previous Question</p>  <p id="yqa-next-question" rel="next">Next Question</p><p id="yqa-previous-category" rel="prev">Previous Category</p>  <p id="yqa-next-category" rel="next">Next Category</p></div>';$("yqa-print-question").onclick=handlePrintClicks;$("yqa-next-question").onclick=displayQuestions;$("yqa-previous-question").onclick=displayQuestions;$("yqa-next-category").onclick=displayQuestions;$("yqa-previous-category").onclick=displayQuestions;$("yqa-back-to-questions").onclick=handleBackClicks;$("yqa-close").onclick=handleBackClicks;$("yqa-print-question").onmouseover=function(){addClass(this,"hover")};$("yqa-print-question").onmouseout=function(){removeClass(this,"hover")};$("yqa-next-question").onmouseover=function(){addClass(this,"hover")};$("yqa-next-question").onmouseout=function(){removeClass(this,"hover")};$("yqa-previous-question").onmouseover=function(){addClass(this,"hover")};$("yqa-previous-question").onmouseout=function(){removeClass(this,"hover")};$("yqa-next-category").onmouseover=function(){addClass(this,"hover")};$("yqa-next-category").onmouseout=function(){removeClass(this,"hover")};$("yqa-previous-category").onmouseover=function(){addClass(this,"hover")};$("yqa-previous-category").onmouseout=function(){removeClass(this,"hover")};$("yqa-back-to-questions").onmouseover=function(){addClass(this,"hover")};$("yqa-back-to-questions").onmouseout=function(){removeClass(this,"hover")};var categories=yqaContents.getElementsByTagName("DL");var categoriesList=document.createElement("ul");var questionsList=document.createElement("ul");var categoriesItems="";var tempLI;tempLI=document.createElement("LI");tempLI.setAttribute("rel","all");tempLI.onclick=handleCategoryClicks;tempLI.innerHTML="View All Questions";addClass(tempLI,"all");categoriesList.appendChild(tempLI);for(var i=0;i<categories.length;i++){tempLI=document.createElement("LI");tempLI.setAttribute("rel",categories[i].id);tempLI.onclick=handleCategoryClicks;tempLI.innerHTML=categories[i].title;if(i%2){addClass(tempLI,"odd")}categoriesList.appendChild(tempLI)}var questions=yqaContents.getElementsByTagName("DT");for(var i=0;i<questions.length;i++){tempLI=document.createElement("LI");tempLI.setAttribute("rel",questions[i].parentNode.id);tempLI.setAttribute("questionindex",i);tempLI.onclick=displayQuestions;tempLI.innerHTML=questions[i].innerHTML.replace("Q: ","");if(i%2){addClass(tempLI,"odd")}questionsList.appendChild(tempLI)}$("yqa-categories-content").appendChild(categoriesList);$("yqa-questions-content").appendChild(questionsList);$("yqa-answers-content").appendChild(yqaContents);videoClasser()};function videoClasser(){var questions=$("yqa-questions-content").getElementsByTagName("li");var DDS=$("yqa-answers-content").getElementsByTagName("DD");for(var i=0;i<DDS.length;i++){if(getText(DDS[i]).indexOf(".flv")!=-1){questions[i].innerHTML="<span>"+getText(questions[i])+"</span>";addClass(questions[i],"video")}}};function handleCategoryClicks(){var questions=$("yqa-questions-content").getElementsByTagName("li");killFlash();addClass($("yqa"),"category-clicked");removeClass($("yqa"),"question-clicked");var selected=getElementsByClass("category-selected");for(i=0;i<selected.length;i++){removeClass(selected[i],"category-selected")}addClass(this,"category-selected");if(this.getAttribute("rel")=="all"){for(var i=0;i<questions.length;i++){removeClass(questions[i],"hidden");if(i%2){addClass(questions[i],"odd")}}addClass($("yqa"),"all")}else{removeClass($("yqa"),"all");for(var i=0;i<questions.length;i++){if(this.getAttribute("rel")==questions[i].getAttribute("rel")){if(i%2){addClass(questions[i],"odd")}removeClass(questions[i],"hidden")}else{addClass(questions[i],"hidden")}}$("yqa-questions-content").scrollTop=0;trackYQACategoryClicks(getText(this))}}};function handleBackClicks(){addClass($("yqa"),"category-clicked");removeClass($("yqa"),"question-clicked");killFlash();var questions=$("yqa-questions-content").getElementsByTagName("li");var selected=getElementsByClass("category-selected")[0];if(selected.getAttribute("rel")=="all"){for(var i=0;i<questions.length;i++){removeClass(questions[i],"hidden");if(i%2){addClass(questions[i],"odd")}}addClass($("yqa"),"all")}else{removeClass($("yqa"),"all");for(var i=0;i<questions.length;i++){if(selected.getAttribute("rel")==questions[i].getAttribute("rel")){if(i%2){addClass(questions[i],"odd")}removeClass(questions[i],"hidden")}else{addClass(questions[i],"hidden")}}};$("yqa-questions-content").scrollTop=0;trackYQACategoryClicks(getText(selected))};function displayQuestions(whichPair){var DTS=$("yqa-answers-content").getElementsByTagName("DT");var DDS=$("yqa-answers-content").getElementsByTagName("DD");var ABS=getElementsByClass("answered-by");var opened=getElementsByClass("open");killFlash();switch(this.nodeName){case"LI":if(!parseInt(whichPair)){whichPair=this.getAttribute("questionindex")}for(var i=0;i<opened.length;i++){removeClass(opened[i],"open")}addClass($(this.getAttribute("rel")),"chosen");addClass($(this.getAttribute("rel")).parentNode,"chosen");addClass($("yqa"),"question-clicked");removeClass($("yqa"),"category-clicked");DTS[whichPair].setAttribute("questionindex",this.getAttribute("questionindex"));break;case"P":var openindex=parseInt(opened[0].getAttribute("questionindex"));for(var i=0;i<opened.length;i++){removeClass(opened[i],"open")}var chosen=getElementsByClass("chosen");whichPair=0;if(this.getAttribute("rel")=="prev"){whichPair=openindex-1}else if(this.getAttribute("rel")=="next"){whichPair=openindex+1}if(whichPair>(DTS.length-1)){whichPair=0}else if(whichPair<=-1){whichPair=(DTS.length-1)}DTS[whichPair].setAttribute("questionindex",whichPair);if(DTS[whichPair].parentNode.className!="chosen"){addClass(DTS[whichPair].parentNode,"chosen");addClass(DTS[whichPair].parentNode.parentNode,"chosen")}addClass($("yqa"),"question-clicked");removeClass($("yqa"),"category-clicked");break}addClass(DTS[whichPair],"open");addClass(DDS[whichPair],"open");if(hasClass(DTS[whichPair],"last")){addClass($("yqa"),"last");removeClass($("yqa"),"first")}else if(hasClass(DTS[whichPair],"first")){addClass($("yqa"),"first");removeClass($("yqa"),"last")}else{removeClass($("yqa"),"last");removeClass($("yqa"),"first")}testCategoryDisplay(DTS[whichPair]);answeredBy(getElementsByClass("answered-by",DDS[whichPair])[0]);if(getText(DDS[whichPair]).indexOf("video:")>-1){flashDisplay(DDS[whichPair]);var callback=function(){var selected=getElementsByClass("category-selected");trackYQAVideoPlay(getText(selected[0]),getText(DTS[whichPair]))};setTimeout(callback,1000)};var selected=getElementsByClass("category-selected");trackYQAQuestionClicks(getText(selected[0]),getText(DTS[whichPair]));$("yqa-answers-content").scrollTop=0};function testCategoryDisplay(obj){if(!hasClass($("yqa"),"all")){var currentDL=getElementsByAttribute("rel",obj.parentNode.id);if((currentDL.length>0)&&(!hasClass(currentDL[0],"category-selected"))){var currSelected=getElementsByClass("category-selected");for(var i=0;i<currSelected.length;i++){removeClass(currSelected[i],"category-selected")}addClass(currentDL[0],"category-selected")}}};function flashDisplay(obj){var text=getText(obj);$("placeholder").innerHTML=obj.innerHTML;addClass($("yqa-print-question"),"hidden");var videoKey=trim(text.slice(text.search(":")+1,text.search(".flv")));var randId=videoKey+parseInt(Math.random()*10000);obj.innerHTML="<div class='flash-content' id="+randId+" ></div>";var so=new SWFObject("../../_assets/flash/ask_expert_player.swf","blah","500","500","8","#DFFECD");so.addVariable("file","../../_assets/flash/ask-expert.xml");so.addVariable("videoKey",videoKey);so.write(randId)};function killFlash(){removeClass($("yqa-print-question"),"hidden");var flashDivs=getElementsByClass("flash-content");for(var i=0;i<flashDivs.length;i++){flashDivs[0].parentNode.innerHTML=$("placeholder").innerHTML}};function answeredBy(obj){if(obj.innerHTML.indexOf("new-win")==-1){var stringNormalized=trim(obj.innerHTML).replace(/\s\s*/,"","g").replace(/\./,"");var answeredByString="<strong>Your Answer By: </strong><a class='new-win' href='bios.html#"+stringNormalized+"'>";answeredByString+=obj.innerHTML;answeredByString+="</a>";$("your-question-answered-by").innerHTML=answeredByString;obj.innerHTML=answeredByString;$("your-question-answered-by").getElementsByTagName("a")[0].onclick=obj.getElementsByTagName("a")[0].onclick=function(){window.open("bios.html#"+stringNormalized,"bios","width=640,height=500,scrollbars=1");return false}}else{var text=getText(obj.getElementsByTagName("a")[0]);var stringNormalized=trim(text).replace(/\s\s*/,"","g").replace(/\./,"");var answeredByString="<strong>Your Answer By: </strong><a class='new-win' href='bios.html#"+stringNormalized+"'>";answeredByString+=text;answeredByString+="</a>";$("your-question-answered-by").innerHTML=answeredByString;obj.innerHTML=answeredByString;$("your-question-answered-by").getElementsByTagName("a")[0].onclick=obj.getElementsByTagName("a")[0].onclick=function(){window.open("bios.html#"+stringNormalized,"bios","width=640,height=500,scrollbars=1");return false}}};function handlePrintClicks(){var opened=getElementsByClass("open");var printWin=window.open('blank.html','printWin','width=500,height=500,navigation=true');var step1=function(){try{printWin.document.getElementById("content").innerHTML="<h1>"+opened[0].innerHTML+"</h1>"+opened[1].innerHTML+""}catch(e){setTimeout(step1,500)}};var selected=getElementsByClass("category-selected");trackYQAPrintClicks(getText(selected[0]),opened[0].innerHTML);setTimeout(step1,500)};if(typeof deconcept=="undefined"){var deconcept=new Object()}if(typeof deconcept.util=="undefined"){deconcept.util=new Object()}if(typeof deconcept.SWFObjectUtil=="undefined"){deconcept.SWFObjectUtil=new Object()}deconcept.SWFObject=function(_1,id,w,h,_5,c,_7,_8,_9,_a){if(!document.getElementById){return}this.DETECT_KEY=_a?_a:"detectflash";this.skipDetect=deconcept.util.getRequestParameter(this.DETECT_KEY);this.params=new Object();this.variables=new Object();this.attributes=new Array();if(_1){this.setAttribute("swf",_1)}if(id){this.setAttribute("id",id)}if(w){this.setAttribute("width",w)}if(h){this.setAttribute("height",h)}if(_5){this.setAttribute("version",new deconcept.PlayerVersion(_5.toString().split(".")))}this.installedVer=deconcept.SWFObjectUtil.getPlayerVersion();if(!window.opera&&document.all&&this.installedVer.major>7){deconcept.SWFObject.doPrepUnload=true}if(c){this.addParam("bgcolor",c)}var q=_7?_7:"high";this.addParam("quality",q);this.setAttribute("useExpressInstall",false);this.setAttribute("doExpressInstall",false);var _c=(_8)?_8:window.location;this.setAttribute("xiRedirectUrl",_c);this.setAttribute("redirectUrl","");if(_9){this.setAttribute("redirectUrl",_9)}};deconcept.SWFObject.prototype={useExpressInstall:function(_d){this.xiSWFPath=!_d?"expressinstall.swf":_d;this.setAttribute("useExpressInstall",true)},setAttribute:function(_e,_f){this.attributes[_e]=_f},getAttribute:function(_10){return this.attributes[_10]},addParam:function(_11,_12){this.params[_11]=_12},getParams:function(){return this.params},addVariable:function(_13,_14){this.variables[_13]=_14},getVariable:function(_15){return this.variables[_15]},getVariables:function(){return this.variables},getVariablePairs:function(){var _16=new Array();var key;var _18=this.getVariables();for(key in _18){_16[_16.length]=key+"="+_18[key]}return _16},getSWFHTML:function(){var _19="";if(navigator.plugins&&navigator.mimeTypes&&navigator.mimeTypes.length){if(this.getAttribute("doExpressInstall")){this.addVariable("MMplayerType","PlugIn");this.setAttribute("swf",this.xiSWFPath)}_19="<embed type=\"application/x-shockwave-flash\" src=\""+this.getAttribute("swf")+"\" width=\""+this.getAttribute("width")+"\" height=\""+this.getAttribute("height")+"\" style=\""+this.getAttribute("style")+"\"";_19+=" id=\""+this.getAttribute("id")+"\" name=\""+this.getAttribute("id")+"\" ";var _1a=this.getParams();for(var key in _1a){_19+=[key]+"=\""+_1a[key]+"\" "}var _1c=this.getVariablePairs().join("&");if(_1c.length>0){_19+="flashvars=\""+_1c+"\""}_19+="/>"}else{if(this.getAttribute("doExpressInstall")){this.addVariable("MMplayerType","ActiveX");this.setAttribute("swf",this.xiSWFPath)}_19="<object id=\""+this.getAttribute("id")+"\" classid=\"clsid:D27CDB6E-AE6D-11cf-96B8-444553540000\" width=\""+this.getAttribute("width")+"\" height=\""+this.getAttribute("height")+"\" style=\""+this.getAttribute("style")+"\">";_19+="<param name=\"movie\" value=\""+this.getAttribute("swf")+"\" />";var _1d=this.getParams();for(var key in _1d){_19+="<param name=\""+key+"\" value=\""+_1d[key]+"\" />"}var _1f=this.getVariablePairs().join("&");if(_1f.length>0){_19+="<param name=\"flashvars\" value=\""+_1f+"\" />"}_19+="</object>"}return _19},write:function(_20){if(this.getAttribute("useExpressInstall")){var _21=new deconcept.PlayerVersion([6,0,65]);if(this.installedVer.versionIsValid(_21)&&!this.installedVer.versionIsValid(this.getAttribute("version"))){this.setAttribute("doExpressInstall",true);this.addVariable("MMredirectURL",escape(this.getAttribute("xiRedirectUrl")));document.title=document.title.slice(0,47)+" - Flash Player Installation";this.addVariable("MMdoctitle",document.title)}}if(this.skipDetect||this.getAttribute("doExpressInstall")||this.installedVer.versionIsValid(this.getAttribute("version"))){var n=(typeof _20=="string")?document.getElementById(_20):_20;n.innerHTML=this.getSWFHTML();return true}else{if(this.getAttribute("redirectUrl")!=""){document.location.replace(this.getAttribute("redirectUrl"))}}return false}};deconcept.SWFObjectUtil.getPlayerVersion=function(){var _23=new deconcept.PlayerVersion([0,0,0]);if(navigator.plugins&&navigator.mimeTypes.length){var x=navigator.plugins["Shockwave Flash"];if(x&&x.description){_23=new deconcept.PlayerVersion(x.description.replace(/([a-zA-Z]|\s)+/,"").replace(/(\s+r|\s+b[0-9]+)/,".").split("."))}}else{if(navigator.userAgent&&navigator.userAgent.indexOf("Windows CE")>=0){var axo=1;var _26=3;while(axo){try{_26++;axo=new ActiveXObject("ShockwaveFlash.ShockwaveFlash."+_26);_23=new deconcept.PlayerVersion([_26,0,0])}catch(e){axo=null}}}else{try{var axo=new ActiveXObject("ShockwaveFlash.ShockwaveFlash.7")}catch(e){try{var axo=new ActiveXObject("ShockwaveFlash.ShockwaveFlash.6");_23=new deconcept.PlayerVersion([6,0,21]);axo.AllowScriptAccess="always"}catch(e){if(_23.major==6){return _23}}try{axo=new ActiveXObject("ShockwaveFlash.ShockwaveFlash")}catch(e){}}if(axo!=null){_23=new deconcept.PlayerVersion(axo.GetVariable("$version").split(" ")[1].split(","))}}}return _23};deconcept.PlayerVersion=function(_29){this.major=_29[0]!=null?parseInt(_29[0]):0;this.minor=_29[1]!=null?parseInt(_29[1]):0;this.rev=_29[2]!=null?parseInt(_29[2]):0};deconcept.PlayerVersion.prototype.versionIsValid=function(fv){if(this.major<fv.major){return false}if(this.major>fv.major){return true}if(this.minor<fv.minor){return false}if(this.minor>fv.minor){return true}if(this.rev<fv.rev){return false}return true};deconcept.util={getRequestParameter:function(_2b){var q=document.location.search||document.location.hash;if(_2b==null){return q}if(q){var _2d=q.substring(1).split("&");for(var i=0;i<_2d.length;i++){if(_2d[i].substring(0,_2d[i].indexOf("="))==_2b){return _2d[i].substring((_2d[i].indexOf("=")+1))}}}return""}};deconcept.SWFObjectUtil.cleanupSWFs=function(){var _2f=document.getElementsByTagName("OBJECT");for(var i=_2f.length-1;i>=0;i--){_2f[i].style.display="none";for(var x in _2f[i]){if(typeof _2f[i][x]=="function"){_2f[i][x]=function(){}}}}};if(deconcept.SWFObject.doPrepUnload){if(!deconcept.unloadSet){deconcept.SWFObjectUtil.prepUnload=function(){__flash_unloadHandler=function(){};__flash_savedUnloadHandler=function(){};window.attachEvent("onunload",deconcept.SWFObjectUtil.cleanupSWFs)};window.attachEvent("onbeforeunload",deconcept.SWFObjectUtil.prepUnload);deconcept.unloadSet=true}}if(!document.getElementById&&document.all){document.getElementById=function(id){return document.all[id]}}var getQueryParamValue=deconcept.util.getRequestParameter;var FlashObject=deconcept.SWFObject;var SWFObject=deconcept.SWFObject;return{init:function(){initYqa()}}})()};