//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
//we need to add double quotes to each end of any search string so that the iSearch
//program will perform an exact search
function addquotes() {
	var searchString;
	//so, get the value of the search string
	searchString = document.forms['isearch_form'].keywords.value;
	//and add the quotes
	searchString = "\" "+searchString+" \"";
	//set the new valuee to the hidden field "s" - this prevents uggliness appearing in the input field just prior to posting the form
	document.forms['isearch_form'].s.value = searchString;
}