var sFilename = "ecwp://www.philadelphiabuildings.org/pab-images/original/contributionship/MB1774/MB1774.012-013.ecw";

var sLocalFile = "/pab-images/original/contributionship/MB1774/MB1774.012-013.ecw";
var sJPEGFile = "/contributionship/im_display_ecw.cfm?ImageId=CONTRIB-MB1774.012-013";