InDesign script to show PDF options

// ShowPDFoptions.jsx

// Version 2

// An InDesign CS and CS2 Javascript

// Allows you to change the properties of an imported PDF
// such as crop, imported page, transparent background
// whilst keeping all the properties of the object.

// Install into your indesign/scripts directory

// Select a box containing an imported PDF and run this script
// by selecting it in the scripts palette.

// www.luxlucid.com

// Modified for CS3 and above by viktor@engard.hu

myDoc = app.activeDocument;

if( myDoc.selection.length == 0 ){err("No selection.");}

if( myDoc.selection[0].constructor.name != "PDF" ){
//Test if it is a container
try {
    if (myDoc.selection[0].contentType == ContentType.graphicType){
        //Is first content PDF?
            try {
                    if (myDoc.selection[0].allGraphics[0].constructor.name == "PDF"){
                        placePDF(myDoc.selection[0].allGraphics[0]);
                    } else {
                        err("No PDF content embedded.");
                    }
            } catch (e){
                err("No PDF content embedded.");
            }
    } else {
        err("Select an imported PDF.");
    }
} catch (e){
    err("Select an imported PDF.");
}


} else {
    placePDF(myDoc.selection[0]);
}

exit();


function placePDF(n){
    try {
    if (app.version == 3){
        //cs1
        myDoc.selection[0].place(n.itemLink.filePath,1,1,1,1, undefined);
    } else if (String(app.version).split(".")[0] == 4){
        //cs2
        myDoc.selection[0].place(n.itemLink.filePath,1, undefined);
    } else if (String(app.version).split(".")[0] > 4){
        //cs3+
        myDoc.selection[0].place(n.itemLink.filePath,1, undefined);
    }

    } catch (e){
        err("Unknown error!");
    }
}



function err(e){
    alert(e);
    exit();
}