public ConditionalExpression( String expr, int operator, String operand1, String operand2 )
public ConditionalExpression( String expr, int operator  )
	public ConditionalExpression( String expr, int operator, String operand1, String operand2 )	{		this( newJSExpression(expr), operator,				newJSExpression(operand1), newJSExpression(operand2) );	}