// JavaScript Document

    function showdiv(flag, divid) {
        //alert(flag + "  " + divid);
        if (flag == 1) {
            document.getElementById("infra").style.display = "none";
            document.getElementById("courses").style.display = "block";
        }
        else {
            document.getElementById("infra").style.display = "block";
            document.getElementById("courses").style.display = "none";
        }

        
    }
    function hidecourses() {
        document.getElementById("courses").style.display = "none";
        document.getElementById("infra").style.display = "none";

    }