// JavaScript Document
// Form validation
function checkSubmit() { 
var retvalue = 'T';
var iChars = "!@#$%^&*()+=-[]\\\';,./{}|\":<>?_~";
	if (document.keysearch.k.value.length < 2) {
		alert("Please enter your search terms");       
		retvalue = 'F';     
	} 


  for (var i = 0; i < document.keysearch.k.value.length; i++) {
  	if (iChars.indexOf(document.keysearch.k.value.charAt(i)) != -1) 
		{
		alert ("Your search term is incorrect please try again.");
		retvalue = 'F'; 
		i= document.keysearch.k.value.length;
		document.keysearch.k.value ="";
		}
 	 }

if (retvalue == 'T')
	return true;
 else if (retvalue == 'F')
 	return false;
}