function tagclick(passed_value){

		//grab current value of the search field	(the current query)
		var previous = document.getElementById('image_livesearch_field').value;
		
		//add the tag we just clicked to the query string
		var updated = previous+" "+passed_value;
		
		//write back the new updated query to the search field
		document.getElementById('image_livesearch_field').value = updated;
	
		//debug
		//document.getElementById('image_livesearch_results').innerHTML = updated;
		
		//manually trigger myAjax() here!
		myAjax();
		
	}//function tagclick