//IE needs to have a completed DOM-structure before a xajax function can executed,
function update()
    {
        // Workaround start
       if (document.readyState && document.readyState != "complete")
        {
                setTimeout ("update()", 30);
                return false;
        }
        // Workaround end
	xajax_populateSelects('','');
	xajax_alertUser();
    }

function showRange ( clicked )
	{		
		if(clicked=='all_books'){ 	
									document.getElementById("book_range").style.display = "none";
									document.getElementById("monad_range").style.display = "none";
		}
		if(clicked=='monad_range'){ 		
									document.getElementById("book_range").style.display = "none";
									document.getElementById("monad_range").style.display = "block";
							}
		if(clicked=='book_range'){ 	
									document.getElementById("book_range").style.display = "block";
									document.getElementById("monad_range").style.display = "none";
								}	
	}