//Function to clear default field values
function clrDefaultValue(entry) {
	if (entry.value == "Keyword Search"){
           entry.value = ""
     }     
     entry.select();         
     entry.focus();      
     return false;
}

//Function to reset default field values
function crtDefaultValue(entry, value) {

	var strText = Trim(entry.value)
		
	if (strText == ""){
           entry.value = value
     }     
     return false;
}



// ==========================================================================
// Fuctions to mimic LTrim, RTrim, and Trim...
function LTrim(str)
{
  var whitespace = new String(" \t\n\r");

  var s = new String(str);

  if (whitespace.indexOf(s.charAt(0)) != -1) {
    // We have a string with leading blank(s)...

    var j=0, i = s.length;

    // Iterate from the far left of string until we
    // don't have any more whitespace...
    while (j < i && whitespace.indexOf(s.charAt(j)) != -1)
    j++;


    // Get the substring from the first non-whitespace
    // character to the end of the string...
    s = s.substring(j, i);
  }

  return s;
}

function RTrim(str)
{
  // We don't want to trip JUST spaces, but also tabs,
  // line feeds, etc.  Add anything else you want to
  // "trim" here in Whitespace
  var whitespace = new String(" \t\n\r");

  var s = new String(str);

  if (whitespace.indexOf(s.charAt(s.length-1)) != -1) {
    // We have a string with trailing blank(s)...

    var i = s.length - 1;       // Get length of string

    // Iterate from the far right of string until we
    // don't have any more whitespace...
    while (i >= 0 && whitespace.indexOf(s.charAt(i)) != -1)
      i--;


    // Get the substring from the front of the string to
    // where the last non-whitespace character is...
    s = s.substring(0, i+1);
  }

  return s;
}

function Trim(str)
{
  return RTrim(LTrim(str));
}


function chkReqField(fieldname, entry) {
  // Check required fields
  if (entry.value == ""){
     msg = fieldname + " is a required field, please enter the required data."
     // Prompt user to enter the search criteria
     entry.value = prompt (msg, "");
     if (entry.value == "null") {
        entry.value = ""
     }     
     entry.select();         
     entry.focus();      
     return false;
  }
window.status=""          
}