http://msmvps.com/blogs/omar/archive/2006/08/02/string-and-array-extensions-in-atlas-runtime-a-stringbuilder-too.aspxAtlas runtime extends the String class of Javascript with the following handy extensions: String.prototype.endsWith=function(suffix){ String.prototype.startsWith=function(prefix){ String.prototype.lTrim=String.prototype.trimLeft=function(){ String.prototypeenCommunityServer 2008.5 SP2 (Build: 40407.4157)