function switch_tab(selectors,id,on_click_fn) {
	var hover_fn = function() {this.className='hover';};
	var empty_fn = function() {this.className='';};
	var selected_fn = function() {this.className='selected';};

	for (var i=0;i<selectors.length;i++) {
		try {
			$(selectors[i]).className='';
			$(selectors[i]).onmouseover=hover_fn;						
			$(selectors[i]).onmouseout=empty_fn;
		} catch (ex) {
			alert(ex);
		}
	}
	try {
		$('selector_'+id).className='selected';
			$('selector_'+id).onmouseover=selected_fn;
			$('selector_'+id).onmouseout=selected_fn;
	} catch (ex) {
		alert(ex);
	}
	on_click_fn();
	return true;
}