var queryText = this.queryText.split("\n");
for(var i = 0; i < queryText.length; i++){
    line = BirtStr.trim(queryText[i]);
    if(line.match("^--")){
        j = line.indexOf("&");
        if(j > -1){
            tokens = line.substring(2).split(" ");
            for(var t = 0; t < tokens.length; t++){
                if(tokens[t].match("&")){
                    p = tokens[t].substring(1);
		            v = params[p];
		            pd = reportContext.getDesignHandle().findParameter(p);
		            if(pd.getParamType() == "multi-value"){
		                val = "(" + v.value.join(", ") + ")";
		            }
		            else{
		                val = p.value;
		            }
		            tokens[t] = val;
                }
            }
            line = tokens.join(" ");
        }
    }
    queryText[i] = line;
}
this.queryText = queryText.join("\n");