Event.onDOMReady(function(){
    MM_preloadImages('images/post-question-hov.gif','images/find0here-hov.gif','images/popular.gif','images/more-open-questions-hov.gif');
});

function askQuestion() {
    if ($('postFrm').questionTitle.value=='') {
    	showAlert('Error', 'Please fill out question to ask');
        return false;
    }
    if (loggedin==1) {
    	$('postFrm').submit();
    }
    else {
        showLogin('','','postFrm');
    }
}

function changeTab(id){
	if (id==0) {
    	$('popularQuestions').hide();
    	$('recentQuestions').show();
        $('recentTd').update('<img src="images/recent.gif" width="86" height="29">');
        $('popularTd').update('<a href="javascript:void(0)" onclick="changeTab(1)" onMouseOut="MM_swapImgRestore()" onMouseOver="MM_swapImage(\'ImagePopular\',\'\',\'images/popular.gif\',1)"><img src="images/popular-hov.gif" id="ImagePopular" width="86" height="29" border="0"></a>');
    }
    else {
    	$('popularQuestions').show();
    	$('recentQuestions').hide();
        $('popularTd').update('<img src="images/popular.gif" width="86" height="29">');
        $('recentTd').update('<a href="javascript:void(0)" onclick="changeTab(0)" onMouseOut="MM_swapImgRestore()" onMouseOver="MM_swapImage(\'ImageRecent\',\'\',\'images/recent.gif\',1)"><img src="images/recent-hov.gif" id="ImageRecent" width="86" height="29" border="0"></a>');
    }
}