added no prerequisite required condition

1 files changed, 14 insertions, 4 deletions

diff --git a/yaksh/static/yaksh/js/add_quiz.js b/yaksh/static/yaksh/js/add_quiz.js
index e212b70..33358a7 100644
--- a/yaksh/static/yaksh/js/add_quiz.js
+++ b/yaksh/static/yaksh/js/add_quiz.js
@@ -10,11 +10,21 @@ function test()
     }
 }
 
+String.prototype.beginsWith = function (string) {
+    return(this.indexOf(string) === 0);
+};
+
 function usermode(location)
 {
   var select = document.getElementById("id_prerequisite");
   var select_text = select.options[select.selectedIndex].text;
-  window.alert(select_text + " is a prerequisite for this course.\n \
-  				You are still allowed to attempt this quiz.")
-  window.location.replace(location);
-}
\ No newline at end of file
+  if (select_text.beginsWith("----")){
+  		window.alert("No prerequisite for this course.\n \
+  						You can attempt the quiz.");
+  		window.location.replace(location);
+  } else {
+  		window.alert(select_text + " is a prerequisite for this course.\n \
+  						You are still allowed to attempt this quiz.")
+  window.location.replace(location);	
+  	}
+  }
\ No newline at end of file