function contactConvert(address,subject) {
 var d = new Date();
 var time = d.getHours();
 var num = 1*4*2*8;
 var mTo = '';
 var ta_replace = '';
 var tod_replace = '';
 var quote = "'";
 if(time < 0) {
  return '';
 }
 else {
  var mTo3 = ':';
  var mTo2 = 'lto';
  var mTo1 = 'mai';
  mTo = mTo1+mTo2+mTo3;
 }
 if(time < -1) {
  return '';
 }
 else {
  var ta_replace = '&#'+num;
  var tod_replace = '.';
 }
 var href = mTo+address.replace(/TOD/g, tod_replace).replace(/TA/, ta_replace)+'?subject='+subject.replace(/\'/g,quote);
 return href;
}