find same pantone color

Hi

Any one plz help me to find same pantone colors in selected object

here is my code

doc = app.activeDocument;

if (app.documents.length>0)

doc.selectObjectsOnActiveArtboard();

selectList = doc.selection;

cou = selectList.length;

if(cou>0)

{

    for(i=0;i<cou;i++)

    {

if(selectList[i].fillColor=="[SpotColor]")

txt=selectList[i].fillColor.spot.name;

}

}

i want to find the pantone name present in txt variable with other selected list

plz help me

Thank you