function redirect(selectBox_object){
	window.location = selectBox_object.options[selectBox_object.selectedIndex].value
}

function dredirect(dtime,rurl){
	window.setTimeout('window.location = \''+rurl+'\'',dtime);
}

function togglePayment(evt){
    evt = (evt) ? evt : event;
    var target = (evt.target) ? evt.target : evt.srcElement;

    var block31 = document.getElementById("sf31");
    var block32 = document.getElementById("sf32");

    var block41 = document.getElementById("sf41");
    var block42 = document.getElementById("sf42");

    var minpay = document.getElementById("minpay");

    block31.style.display = "none";
    block32.style.display = "none";
    block41.style.display = "none";
    block42.style.display = "none";

    switch(target.value)
    {

	case "3":

		block31.style.display = "block";
		block32.style.display = "block";
		minpay.value=100;
		minpay.disabled=0;
		break;

	case "4":

		block41.style.display = "block";
		block42.style.display = "block";
		minpay.value=100;
		minpay.disabled=0;
		break;
		
	default:

		minpay.value=100;
		minpay.disabled=0;
		break;
    }
}

function toggleDate(evt) {
    evt = (evt) ? evt : event;
    var target = (evt.target) ? evt.target : evt.srcElement;
    var period = document.getElementById("period");

    if(target.value==3) period.disabled=0;
    else period.disabled=1;
}