'
$("body").prepend("");$("#adAlert,#adOpen").css({"height":"auto","width":"100%","background":"black","color":"white","line-height":"1","font-weight":"normal","display":"none"});$("#adAlert").html("ADVERTISING INFO
"+adDebugString+"
CLICK TO CLOSE
");$("#adOpen").html("CLICK TO OPEN ADVERTISING INFO
");$("#adOpen").slideDown("slow");$("#adCloseClick").click(function(){$("#adAlert").hide();$("#adOpen").slideDown("slow");});$("#adOpenClick").click(function(){$("#adOpen").hide();$("#adAlert").slideDown("slow");});}});})();var watermark=(function(){var on=(typeof watermarkSwitch!="undefined"&&watermarkSwitch);if(on){var onlyHome=(typeof watermarkHomeOnly!="undefined"&&watermarkHomeOnly);if(onlyHome&&!isHome){return false;}
var url=(typeof watermarkURL=="undefined")?"":watermarkURL;var track=(typeof watermarkTrackingImageURL=="undefined")?"":watermarkTrackingImageURL;if(url!=""&&track!=""){$(document).ready(function($){if(watermark){$(document.body).css("background-image","url("+url+")").append('');}});}}
return on;})();function cltSubmitForm(form){var errMsgs=[];var newsletter_count=0;if(typeof form.newsletters.length=="undefined"){if(form.newsletters.checked){newsletter_count++;}}else{for(i=0;i0){alert(errMsgs.join("\n"));}else{form.submit();form.target="_top";form.email.value="";return true;}
return false;}
$(document).ready(function($){var prepop=getCookieValue("WebXuser")||"Your E-mail Address";$("input:text[name='email']").val(prepop).focus(function(){if($(this).val()=="Your E-mail Address"){$(this).val("");}});$("#wordOfTheDayForm,#emailUpdatesForm,#cltAdForm").submit(function(){var errMsgs=[];if(this.id!="wordOfTheDayForm"){if($("input:checked[name='newsletters']",this).length==0){errMsgs.push("No newsletters have been selected.");}}
var field=$("input:text[name='email']",this);var addr=field.val();if(/\s+|Your E-mail Address/.test(addr)){errMsgs.push("Please enter an Email address.");field.focus();}else{var status=checkEmail(addr);if(status!="good"){errMsgs.push(status);field.focus();}}
if(errMsgs.length>0){alert(errMsgs.join("\n"));}else{this.target="_top";this.submit();return true;}
return false;});$('#networkSiteWhatisSearch').attr('action','http://whatis.techtarget.com/wsearchResults/0,,sid9,00.html');});var wrDebug=(function(){var param=getURLParamValue("wrData");if(param=="on"||param=="off"){setCookie("wrData",param,null,"/");return param;}else{param=getCookieValue("wrData");if(param=="on"||param=="off"){return param;}}
return"";})();var wrData=(function(){return wrData||wrDebug||((ENV_name=="PROD"&&!ENV_isStage)?"on":"off");})();var clicktrackIMG=ENV_clicktrackHost.replace("clicktrack","go")+"/clicktrack-r/activity/activity.gif";var clicktrackUID=(function(){var uidParamValue=getURLParamValue("uid");var clicktrackUID="";if(getCookieValue("tt_ut")==""&&(uidParamValue!=""||loggedIn!=-1)){var clicktrackNow=new Date().getTime();var clicktrackFiveYear=(5*(365*(24*(60*(60*1000)))));if(uidParamValue!=""){clicktrackUID=uidParamValue;}else{if(crsCookieIndex!=-1){clicktrackUID=crsCookie.uid;}else{var clicktrackUIDCookie=getCookieValue("Datav2");clicktrackUID=clicktrackUIDCookie.substring(clicktrackUIDCookie.indexOf("dgUserID")+8);}
if(clicktrackUID.indexOf("%0A")!=-1){clicktrackUID=unescape(clicktrackUID.substring(0,clicktrackUID.indexOf("%0A")));}else{clicktrackUID=unescape(clicktrackUID);}
if(clicktrackUID.indexOf(";")!=-1)clicktrackUID=clicktrackUID.substring(0,clicktrackUID.indexOf(";"));}
var clicktrackExpire=new Date(clicktrackNow+clicktrackFiveYear);setCookie("tt_ut",clicktrackUID,clicktrackExpire.toGMTString(),"/",SITE_domain);}
return clicktrackUID;})();(function(tax,gci,taxes){function LZ(x){return(x<0||x>9?"":"0")+x;}
var thisDate=new Date();var curTime=thisDate.getTime();var timeZoneOffset=thisDate.getTimezoneOffset()*60000;var curTimeUTC=curTime+timeZoneOffset;var serverTime=curTimeUTC+(3600000*-5);var estTime=new Date(serverTime);var estTimeStr=estTime.getFullYear()+"-"+LZ(estTime.getMonth()+1)+"-"+LZ(estTime.getDate())+" "+LZ(estTime.getHours())+":"+LZ(estTime.getMinutes())+":"+LZ(estTime.getSeconds());var addClicktrackIMG=function(type,tax,gci,taxes,user){var trackIMG=clicktrackIMG+"?activityTypeId="+type;if(user&&user!=""){trackIMG+="&u="+user;}
trackIMG+=((taxes.length>0)?(function(t){var str="";var len=t.length;for(var i=0;i1?i+1:"")+"="+t[i];}
return str;})(taxes):"&t="+tax);trackIMG+="&a="+estTimeStr.replace(" ","%20");trackIMG+="&c=normal"+"&r="+Math.round(Math.random()*1000000);if(gci!=""){trackIMG+="&g="+gci;}
if(underscoreOffer!=""){trackIMG+="&promo="+underscoreOffer.substring(1);}
$(document).ready(function($){$(document.body).append('');});if(wrDebug=="on"){alert("Activity.jpg tracked: "+trackIMG);}}
if(is404||wrData!="on"){if(wrDebug=="on"){alert("is404: "+is404+" | wrData: "+wrData);}
return;}
tax=tax||"";gci=gci||"";taxes=taxes||[];var ttUtCookieValue=getCookieValue("tt_ut");var preRegDebug=(wrDebug=="on"||getURLParamValue("preRegData")=="on")?"on":"off";if(getCookieValue("moActivity")=="on"){setSessionCookie("moActivity","off");if(wrDebug=="on"){alert("moActivity Cookie shut off");}}else if(ttUtCookieValue!=""&&tax!=""){addClicktrackIMG(1,tax,gci,taxes,ttUtCookieValue);}else if(tax!=""&&ttUtCookieValue==""){addClicktrackIMG(16,tax,gci,taxes);var maxTax=5;var preRegCookieTime=estTimeStr;var fiveYears=(5*(365*(24*(60*(60*1000)))));var preRegExpire=new Date();preRegExpire.setTime(preRegExpire.getTime()+fiveYears);if(tax!=""){var taxString=(taxes.length>0)?(function(t){var str="";var len=t.length;for(var i=0;imaxTax){var overLimitCount=storedArray.length-maxTax;for(var i=0;i';if(preRegDebug=="on")log.push(preRegTrackIMG);}}
$(document).ready(function($){$(document.body).append(preRegTrackResult);});deleteCookie("tt_prereg","/",SITE_domain);if(preRegDebug=="on")alert(log.join("\n\n"));}}})(window.tax,window.gci,window.taxes);var bizoDebug=(getURLParamValue("bizo")=="on");var bizo=(function(){var flag=((wrData!="on"||typeof SITE_bizoFlag=="undefined")&&"off"||SITE_bizoFlag);if(bizoDebug)alert("wrData: "+wrData+" | Bizo: "+flag);if(flag=="on"&&((ENV_name=="PROD"&&!ENV_isStage)||bizoDebug)){if(cookieExists("tt_ut")!=-1&&cookieExists("bizo2")==-1){var url=(typeof SITE_bizoIframeURL=="undefined")?"":SITE_bizoIframeURL;if(bizoDebug)alert("Bizo Iframe URL: "+url);if(url!=""){}}
_bizo_data_partner_id=32}
return flag;})();function getBizoDataObject(_bizo_cookie_string){var _bizo_data_object={};var _bizo_cookie_entries=_bizo_cookie_string.split("#");for(var i=0;i<_bizo_cookie_entries.length;i++){var _bizo_cookie_entry_parts=_bizo_cookie_entries[i].split("*");if(_bizo_cookie_entry_parts.length>1){switch(_bizo_cookie_entry_parts[0]){case"I1":_bizo_data_object.I1=_bizo_cookie_entry_parts[1];break;case"I2":_bizo_data_object.I2=_bizo_cookie_entry_parts[1];break;case"I3":_bizo_data_object.I3=_bizo_cookie_entry_parts[1];break;case"I4":_bizo_data_object.I4=_bizo_cookie_entry_parts[1];break;default:;}}}
return _bizo_data_object;}
function cookieExists(name){return document.cookie.indexOf(name+"=")}
function getCookieValue(name){var cookie=document.cookie;var pos=cookie.indexOf(name+"=");if(pos!=-1){var start=pos+name.length+1;var end=cookie.indexOf(";",start);if(end==-1)end=cookie.length;var value=cookie.substring(start,end);return value;}else{return"";}}
function getChipValue(cookiename,chipname){var cookievalue=getCookieValue(cookiename);if(cookievalue!=""){if(cookievalue.indexOf(chipname)!=-1){var start=unescape(cookievalue.substring(cookievalue.indexOf(chipname)+chipname.length));var end=start.substring(0,start.indexOf(";"));if(!end)end=start.substring(0,start.length);var regexp=/(\W)/g;var value=end.replace(regexp," ");return value;}else{return"";}}else{return"";}}
function setChipString(value){value=value+"\n";value=escape(value);return value;}
function setSessionCookie(name,value){document.cookie=name+"="+value+";path=/"+";domain="+SITE_domain;}
function setCookie(name,value,expires,path,domain,secure){document.cookie=name+"="+encodeURIComponent(value)+((expires)?"; expires="+expires:"")+((path)?"; path="+path:"")+((domain)?"; domain="+domain:"")+((secure)?"; secure":"");return true;}
function deleteCookie(name,path,domain){if(cookieExists(name)){setCookie(name,"",-30,path,domain);}}
function getURLParam(param){var paramValue=param+"=";var searchValue=window.location.search.toLowerCase();var searchValueParam="";if(searchValue.indexOf(paramValue)!=-1){searchValueParam=window.location.search.substring(searchValue.indexOf(paramValue),searchValue.length);if(searchValueParam.indexOf("&")!=-1){searchValueParam=searchValueParam.substring(0,searchValueParam.indexOf("&"));}}
return searchValueParam;}
function getURLParamValue(param){var paramValue=param.toLowerCase()+"=";var searchValue=window.location.search.toLowerCase();var searchValueParam="";if(searchValue.indexOf(paramValue)!=-1){searchValueParam=window.location.search.substring(searchValue.indexOf(paramValue),searchValue.length);if(searchValueParam.indexOf("&")!=-1){searchValueParam=searchValueParam.substring(0,searchValueParam.indexOf("&"));}}
searchValueParam=searchValueParam.substring(param.length+1,searchValueParam.length);return searchValueParam;}
function checkEmail(emailStr){var num_error=0;var NewemailStr="";var emailPat=/^(.+)@(.+)$/;var specialChars="\\(\\)\\{\\}\/%?\\$\\*\\^\\|\\.=&`~#!<>@,;:\\\\\\\"\\.\\[\\]";var invalidchars="\\(\\)\\{\\}\/%?\\$\\s\\^~#!&`\\*\\|=@<>,;:\\\\\\\"\\[\\]'";var validChars="[^\\s"+specialChars+"]";var validChars1="[^\\s"+invalidchars+"]";var quotedUser=/(\"[^\"]*\"\')/;var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;var atom=validChars+"+";var atom1=validChars1+"+";var word="("+atom+"|"+quotedUser+")";var word1="("+atom1+"|"+quotedUser+")";var userPat=new RegExp("^"+word+"(\\."+word+")*$");var domainPat=new RegExp("^"+word1+"("+word1+")*$");if(emailStr==""){return"An email address is required";}else{var NewemailStr=emailStr;}
var matchArray=NewemailStr.match(emailPat);if(matchArray==null){return"E-mail address is not a valid format (check @ and .'s)";}
var user=matchArray[1];var domain=matchArray[2];if(user.match(userPat)==null){return"The username in the email address doesn't seem to be valid.";}
var IPArray=domain.match(ipDomainPat);if(IPArray!=null){for(var i=1;i<=4;i++){if(IPArray[i]>255){return"Destination IP address in the email address is invalid!";}}
return true;}
var domainArray=domain.match(domainPat);if(domainArray==null){return"The domain name in the email address doesn't seem to be valid.";}
if(domain.length>0){if(domain.charAt(0)=="."){return"The domain name in the email address doesn't seem to be valid.";}else if(domain.charAt(domain.length-1)=="."){return"The domain name in the email address doesn't seem to be valid.";}else{var errors=0;for(var k=1;k4){return"The domain name in the email address doesn't seem to be valid.";}}}
var atomPat=new RegExp(atom,"g");var domArr=domain.match(atomPat);var len=domArr.length;if(domArr[domArr.length-1].length<2){return"The email address must end in a valid domain.";}
if(len<2){return"This email address is missing a hostname!";}
return"good";}
function validateEmail(emailAddr){var emailAlert=checkEmail(emailAddr);if(emailAlert=="good"){return true;}else{alert(emailAlert);return false;}}
function SWFObject(){this.addVariable=function(a,b){switch(a){case"file":this.file=unescape(b);}};this.useExpressInstall=function(){};this.write=function(a){$("#"+a).remove();PPF.newPlayer(this.file||"");};return this;}
SWFObject.proxy=true;var PPF=new PodcastPlayerFactory();function PodcastPlayerFactory(){this.counter=10;this.loadLibrary=function(fn){if(typeof SWFObject=="undefined"||SWFObject.proxy){delete SWFObject;$.getScript("http://media.techtarget.com/bitpipe/player/swfobject.js",fn);}else if(fn){fn();}};var self=this;this.writePlayer=function(id,url){var i=id.substring(12);var so=new SWFObject("http://media.techtarget.com/bitpipe/player/mp3player.swf","mp3player"+i,"225","175","7","#CCCCCC");so.addVariable("file",escape(url));so.addVariable("displayheight","155");so.addVariable("displaywidth","225");so.addVariable("height","175");so.addVariable("width","225");so.addVariable("shownavigation","true");so.addVariable("overstretch","none");so.useExpressInstall('http://media.techtarget.com/bitpipe/player/expressinstall.swf');so.write(id);};this.newPlayer=function(url){var id="flashcontent"+(++this.counter);document.write('