function FormCompareCourses(cForm) {
   var z = 0;
   var chref = "";
   chref =  "/english/education/compare.asp?";
   for (var i = 0; i < cForm.elements.length; i++) {
      var ele = cForm.elements[i];
      if (ele.checked)
      {
		 z = z + 1;
		 if(z==1)
		 	chref = chref + "m_courseid=" + ele.value;
		 else
		 	chref = chref + "&m_courseid=" + ele.value;
		 
	  }
   }
   if (z < 2 || z > 3) {
      alert("You may select 2 to 3 courses for comparison");
      return false;
   }
   cForm.action = "/english/count/count_banner.asp";
   cForm.banner_name.value = "course_compare";
   cForm.from.value = "edu_list";
   cForm.href.value = chref;
   
   cForm.submit();
   return false;
}