code: function(sPercentage, fBaseSize){
  			if (typeof sPercentage !== "string") {
  				Log.warning("sap.m.PopupHelper: calcPercentageSize, the first parameter" + sPercentage + "isn't with type string");
  				return null;
  			}
  
  			if (sPercentage.indexOf("%") <= 0) {
  				Log.warning("sap.m.PopupHelper: calcPercentageSize, the first parameter" + sPercentage + "is not a percentage string (for example '25%')");
  				return null;
  			}
  
  			var fPercent = parseFloat(sPercentage) / 100,
  				fParsedBaseSize = parseFloat(fBaseSize);
  
  			return Math.floor(fPercent * fParsedBaseSize) + "px";
  		}
docs: Converts the given percentage value to an absolute number based on the given base size.
  
  @param {string} sPercentage A percentage value in string format, for example "25%"
  @param {float} fBaseSize A float number which the calculation is based on.
  @returns {int} The calculated size string with "px" as unit or null when the format of given parameter is wrong.
  
  @protected