function svcPopup(link,id,w,h)
{                                     
    var left = (screen.width - w )/2;
    var top = (screen.height -h ) /2;

    var details = 'toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,width=' + w + ',height=' + h + ',left = '+ left +',top ='+top;
    window.open(link,id,details);
}