document.getElementsByClassName = function (className) {
    var i, j, eltClass;
    var objAll = document.getElementsByTagName ? document.getElementsByTagName("*") : document.all;
    var objCN = new Array();
    for (i = 0; i < objAll.length; i++) {
        eltClass = objAll[i].className.split(/\s+/);
        for (j = 0; j < eltClass.length; j++) {
            if (eltClass[j] == className) {
                objCN.push(objAll[i]);
                break;
            }
        }
    }
    return objCN;
}


function allclose(frame) {
	var i;
	var len = document.getElementsByClassName(frame).length;
	for (i = 0; i < len; i++) {
		document.getElementsByClassName(frame)[i].style.display = "none";
	}
}

function tVarious(tour) {
	document.getElementById(tour).style.display = "block";
}

function dVari(tour) {
	document.getElementById(tour).style.display = "none";
}