var sFilename = "ecwp://www.philadelphiabuildings.org/pab-images/original/contributionship/MB1791/MB1791.274-275.ecw";

var sLocalFile = "/pab-images/original/contributionship/MB1791/MB1791.274-275.ecw";
var sJPEGFile = "/contributionship/im_display_ecw.cfm?ImageId=CCF62AFB-1422-7865-6B1C52D68E299AAF";