function add1Day() {
   document.k_add50_date.TargetMode.value = "1";
   document.k_add50_date.action = "./k_add50.asp";
   document.k_add50_date.target = "_self";
   document.k_add50_date.submit();
}



function sub1Day() {
   document.k_add50_date.TargetMode.value = "-1";
   document.k_add50_date.action = "./k_add50.asp";
   document.k_add50_date.target = "_self";
   document.k_add50_date.submit();
}



function today() {
   document.k_add50_date.TargetMode.value = "0";
   document.k_add50_date.action = "./k_add50.asp";
   document.k_add50_date.target = "_self";
   document.k_add50_date.submit();
}