function rollon() {
  if (event.srcElement.tagName == "A") {
    if (window.event.srcElement.className == "NavTop") {
       window.event.srcElement.className = "NavTopOver"; // change class
       } else {
       if (window.event.srcElement.className == "NavLeft") {
       window.event.srcElement.className = "NavLeftOver"; // change class
         } else {         
           event.srcElement.style.color = "#FF0000";
         }
       }
    event.srcElement.style.cursor = "hand";
    event.srcElement.onmouseout = rolloff;
    }
}

function rolloff() {
  event.srcElement.style.color = "";
  event.srcElement.style.cursor = "auto";

  if (window.event.srcElement.className == "NavTopOver") {
    window.event.srcElement.className = "NavTop"; // change class
  }

  if (window.event.srcElement.className == "NavLeftOver") {
    window.event.srcElement.className = "NavLeft"; // change class
  }

}

document.onmouseover = rollon;

function LaunchNew(page) {
    OpenWin = this.open 
    (page, "CtrlWindow", "toolbar=yes,menubar=yes,location=yes,scrollbars=yes,resizable=yes");
}

function ValidateCall(field) {
var valid = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789/"
var ok = "yes";
var temp;
for (var i=0; i<field.value.length; i++) {
temp = "" + field.value.substring(i, i+1);
if (valid.indexOf(temp) == "-1") ok = "no";
}
if (ok == "no") {
alert("Invalid entry!  Only letters, numbers, and / are accepted!");
field.focus();
field.select();
   }
}