//              E     C     M     P
//  daylight    0     2     4     6
//  standard    1     3     5     7

var zonetime = 01;

switch(zonetime) {
case 0: var utc = " UTC-04 EDT"; break;
case 1: var utc = " UTC-05 EST"; break;
case 2: var utc = " UTC-05 CDT"; break;
case 3: var utc = " UTC-06 CST"; break;
case 4: var utc = " UTC-06 MDT"; break;
case 5: var utc = " UTC-07 MST"; break;
case 6: var utc = " UTC-07 PDT"; break;
case 7: var utc = " UTC-08 PST"; break;
};

var dt = new Date(document.lastModified);
var YY = dt.getFullYear();
var MM = dt.getMonth(); MM++; if ( MM < 10 ) { MM = "0" + MM };
var DD = dt.getDate();        if ( DD < 10 ) { DD = "0" + DD };
var hh = dt.getHours();       if ( hh < 10 ) { hh = "0" + hh };
var mm = dt.getMinutes();     if ( mm < 10 ) { mm = "0" + mm };
var ss = dt.getSeconds();     if ( ss < 10 ) { ss = "0" + ss };
document.write("revised date " + YY + "-" + MM + "-" + DD + " time " + hh + ":" + mm + ":" + ss + utc);