function MM_preloadImages() { //v3.0
    var d = document;
    if(d.images){
        if(!d.MM_p){
            d.MM_p=new Array();
        }
        var i,j = d.MM_p.length, a = MM_preloadImages.arguments;
        for(i = 0; i < a.length; i++){
            if(a[i].indexOf("#") != 0){
                d.MM_p[j] = new Image;
                d.MM_p[j++].src = a[i];
            }
        }
    }
}
function preloadMenuImages(){
    var menuItems = new Array(
        'alerts',
        'project',
        'job',
        'changelog',
        'content',
        'dictionary',
        'groups',
        'imported_data',
        'media',
        'risk_rating',
        'setup',
        'users'
    );
    
    var itemImages = new Array();
    
    for(var i = 0; i < menuItems.length; i++){
        MM_preloadImages("/img/cms/menu/" + menuItems[i] + ".gif", "/img/cms/menu/" + menuItems[i] + "_active.gif", "/img/cms/menu/" + menuItems[i] + "_hover.gif");
    }
}

function changeLanguage(language){
    if(language != ""){
        document.change_language.language.value = language;
        document.change_language.submit();
    }
}
function checkTwitter() {
	var result='0';
	result = $.ajax({
	      url: "/ajax/",
	      type: "POST",
	      async: true,
	      data: ({action : 'checktwitter'}),
	      dataType: "html",
	      success: function(msg){
			if(msg!='none')$("#twitterUpdates").parent().html(msg);
	         return msg;
	      }
	   }
	);
	//alert(result);
	return result;
}