/* Replace the value of obj by '', except if the value is equal to defval */
function eraseTextField(obj,defval) {
    if(obj.value == defval) {
        obj.value = '';
    }
}

/* Scrolling news */
$(function(){ 
    $("ul#news_content").liScroll({travelocity: 0.03});
});

/* Check for history_back links */
$(function(){
    $("a.history_back").click(function(e){
        e.preventDefault();
        history.back();
    });
});