var lvalue = "A user defined variable. The variable\'s value may be modified by the command.";
var rvalue = "A user defined or system variable. The variable\'s value will not be modified by the command.";
var section = "The name of a section in the robot\'s code. The section name should not be surrounded by quotation marks.";
var expDef = "Expressions are composed of values, variables, mathematical operators, and logical operators.";

// IE6 sometimes has problems with the + operator used on strings. concat works better

var anyExp = "Any expression. ".concat( expDef );
var numericExp = "Any expression that evaluates to a numeric value. ".concat( expDef );
var stringExp = "Any expression that evaluates to a string value. ".concat( expDef );
var boolExp = "Any expression that evaluates to a zero or non-zero numeric value. ".concat( expDef );

var slide = "To rotate a robot\'s body while moving without changing its direction of movement";

var numericVal = "Contains a numeric value.";
var stringVal = "Contains a string value.";
var boolVal = "Contains a zero or non-zero numeric value.";
var anyVal = "Contains either a numeric or a string value.";
var arrayVal = "Contains an array of values.";
var propVal = "Contains properties with values.";