function setCookie(name, value, expires, path, domain, secure)
{
    var today = new Date();
    today.setTime(today.getTime());
    if (expires) expires = expires * 1000 * 60 * 60 * 24;
    var expires_date = new Date(today.getTime() + (expires));

    document.cookie= name + "=" + escape(value) +
        ((expires) ? "; expires=" + expires_date.toGMTString() : "") +
        ((path) ? "; path=" + path : "") +
        ((domain) ? "; domain=" + domain : "") +
        ((secure) ? "; secure" : "");
}

function getCookie(name)
{
    var dc = document.cookie;
    var prefix = name + "=";
    var begin = dc.indexOf("; " + prefix);
    if (begin == -1)
    {
        begin = dc.indexOf(prefix);
        if (begin != 0) return null;
    }
    else
    {
        begin += 2;
    }
    var end = document.cookie.indexOf(";", begin);
    if (end == -1)
    {
        end = dc.length;
    }
    return unescape(dc.substring(begin + prefix.length, end));
}

function previewForm() {
  //setCookie('davehartmusic', 'preview', 30);
  //document.previewForm.submit();

			if (document.previewForm.name.value == "") {
				alert( "Please enter your name." );
				document.previewForm.name.focus();
			}
			else if (document.previewForm.email.value == "") {
				alert( "Please enter your email address." );
				document.previewForm.email.focus();
			}
			else if (document.previewForm.country.value == "") {
				alert( "Please enter your country." );
				document.previewForm.country.focus();
			}
			else {
			  setCookie('davehartmusic', 'preview', 30);
			  document.previewForm.submit();
			}
}