function clearme(formItem, keyword)
{ 
	if (formItem.value == keyword) formItem.value = ''; 
}

function firstChildren()
{
    $$('ul li:first-child').addClass('firstchild');
    $$('ul li:last-child').addClass('lastchild');
}

function extLinks(){
    $$('a.ext').addEvent('click',function(event){
        var el=$$(event.target).getParent();
        window.open(el.getProperty('href'));
        
        return false;
    });
    
    $$('a.ext').addEvent('keypress',function(event){
        var el=$$(event.target).getParent();
        window.open(el.getProperty('href'));
        
        return false;
    });
}