var E = function(ele)

{ return document.getElementById(ele); }

function newswitch(oprstr, linkstr, datastr, n, sum) {
    for (var i = 1; i <= sum; i++) {
        if (i == n) {
            E(oprstr + i).className = "checked";

            E(datastr + i).style.display = "";
        }
        else {
            E(oprstr + i).className = "";

            E(datastr + i).style.display = "none";
        }
    }
}