function validate_required(field,alerttxt)
{
with (field)
{
if (value==null||value=="")
  {alert(alerttxt);return false;}
else {return true}
}
}function validate_form(thisform)
{
with (thisform)
{
if (validate_required(keywords,"You must enter a search criteria!")==false)
  {keywords.focus();return false;}
}
}

		
function TabDisplay() {
//
// Between the parenthesis, list the id's of the div's that 
//     will be affected when tabs are clicked. List in any 
//     order. Put the id's in single quotes (apostrophes) 
//     and separate them with a comma -- all one line.
//
var idlist = new Array('tab1ready','tab2ready','tab3ready','content1','content2','content3');

// No other customizations are necessary.
if(arguments.length < 1) { return; }
for(var i = 0; i < idlist.length; i++) {
   var inline = false;
   for(var ii = 0; ii < arguments.length; ii++) {
      if(idlist[i] == arguments[ii]) {
         inline = true;
         break;
         }
      }
   if(inline) { document.getElementById(idlist[i]).style.display = "inline"; }
   else { document.getElementById(idlist[i]).style.display = "none"; }
   }
}