function lookup(inputString,user_id) {
		 
		if(inputString.length == 0) {
			// Hide the suggestion box.
			$('#suggestions').hide();
		} else {
			$.post("/search-box", {mysearchString: ""+inputString+"", user_id:""+user_id+""}, function(data){
				if(data.length >0) {
					$('#suggestions').show();
					$('#autoSuggestionsList').html(data);
				}
			});
		}
	} //end
	
	// if user clicks a suggestion, fill the text box.
	function fill(thisValue) {
		$('#inputString').val(thisValue);
		setTimeout("$('#suggestions').hide();", 200);
	}