function select_all(element1, reset) {
	
	if(select_all.arguments.length > 1){	
		select_all.isSelected = false;
		return;
	}
	
	if(!select_all.isSelected){	
		// first set focus
		document.travel_search.elements[element1].focus();
		// select all contents
		document.travel_search.elements[element1].select();
		// only once
		select_all.isSelected = true;		
	}
}