function academicReqs(req,num){
	                for (j=1; j<=num; j++){
	                	if (j==req) document.getElementById(j).style.display='block';
	                	else document.getElementById(j).style.display='none';
	                }              
	        }
	       
	        function courseDescription(courseNumber){
	                	if (document.getElementById(courseNumber).style.display=='block') document.getElementById(courseNumber).style.display='none';
	                	else document.getElementById(courseNumber).style.display='block';
	        }