function enroll_Person() { 
     window.open("enroll_person.html", "b", "width=749, height=407, left=30, top=130","toolbar=0","location=0", "directories=0", "status=0", "menubar=0"); 
 }

 function File_upload() { 
     window.open("file_upload.html", "c", "width=793, height=363, left=30, top=130","location = no","status= no","toolbars= no"); 
 }

 function myPage_popup() { 
     window.open("mypage_popup.html", "d", "width=793, height=363, left=30, top=130","location = no","status= no","toolbars= no"); 
 }