Example beforeOpen Script
var parmcount = params["parmorders"].value.length
var whereclause = "";
if ( parmcount > 0 ){
whereclause = " where customernumber in ( "
}
for ( i=0; i < parmcount; i++ ){
if( i == 0 ){
whereclause = whereclause + params["parmorders"].value[i];
} else {
whereclause = whereclause + " , " + params["parmorders"].value[i];
}
}
if ( parmcount > 0 ){
this.queryText = this.queryText + whereclause + " ) ";
}