function validateSearch()
{
	var iChars = "!@#$%^&*()+=-[]\\\';,./{}|\":<>? ";
	
	// Null
	if (document.frmSearch.txtSearch.value == "")
	{
		alert('Please enter a keyword to search');
		document.frmSearch.txtSearch.focus();
		return (false);
	};
	// Speacial Chars
	for (var i = 0; i < document.frmSearch.txtSearch.value.length; i++)
	{
  		if (iChars.indexOf(document.frmSearch.txtSearch.value.charAt(i)) != -1)
		{
  			alert ("Your keyword has special characters. \nThese are not allowed.\n Please remove them and try again.");
  			return false;
  		}
  	};
}