function makeactive(tab) { 
document.getElementById("tab1").className = ""; 
document.getElementById("tab2").className = ""; 
document.getElementById("tab"+tab).className = "active";
document.getElementById("content1").style.display = "none";
document.getElementById("content2").style.display = "none";
document.getElementById("content"+tab).style.display = "block";
	jah('content.php?content= '+tab, 'content'+tab);
} 
function makeactive2() { 
document.getElementById("tab1").className = "active"; 
document.getElementById("tab2").className = ""; 
	jah('content.php?content=1 ', 'content1');
}
function topArticle(top_article) { 
	jah('top_article.php?article= '+top_article, 'top_article');
}