Run SSRS Report on Custom Button Click in MS CRM

function RunCaseTrackingReport() {

    var rdlName = "CaseTracking.rdl"; //Replace

    var reportGuid = "244DE8F6-0774-EA11-A811-000D3AF026B2"; //Replace

    var entityType = "112"; //Replace

    var entityGuid = Xrm.Page.data.entity.getId();  

    var url = Xrm.Page.context.getClientUrl() + "/crmreports/viewer/viewer.aspx?action=run&context=records&helpID=" + rdlName + "&id={" + reportGuid + "}&records=" + entityGuid + "&recordstype=" + entityType ;

    window.open(url, null, 800, 600, true, false, null);

}

-------------------------------OR----------------------------------------------------------

function RunCaseReport() {

    var rdlName = "CaseReport.rdl"; //Replace

    var reportGuid = "564DE8F6-0774-EA11-A811-987D3AF026B2"; //Replace

    var entityType = "112"; //Replace

    var entityGuid = Xrm.Page.data.entity.getId();  

    var url = Xrm.Page.context.getClientUrl() + "/crmreports/viewer/viewer.aspx?action=run&context=records&helpID=" + rdlName + "&id={" + reportGuid + "}&records=" + entityGuid + "&recordstype=" + entityType;

    

var winWidth = Math.floor((window.screen.availWidth) / 2);

var winHeight = Math.floor((window.screen.availHeight) / 3);

var winLeft = Math.floor((window.screen.availWidth - winWidth) / 3);

var winTop = Math.floor((window.screen.availHeight - winHeight) / 4);

var sFeatures = "toolbar=no,menubar=no";

sFeatures += ",width=" + winWidth.toString() + ",height=" + winHeight.toString();

sFeatures += ",left=" + winLeft.toString() + ",top=" + winTop.toString();

window.open(url, null, sFeatures);

}