function makeactive(tab) 
{ 
	//alert("ma" +tab);
	if(tab==1)
	{
		document.getElementById("buzz").style.display = "inline"; 
		document.getElementById("presskit").style.display = "none";
		document.getElementById('img-buzz').src='imgs/butn_buzz.jpg';
		document.getElementById('img-presskit').src='imgs/butn_presskitover.jpg';
	}
	else
	{
		document.getElementById("buzz").style.display = "none"; 
		document.getElementById("presskit").style.display = "inline"; 
		document.getElementById('img-buzz').src='imgs/butn_buzzover.jpg';
		document.getElementById('img-presskit').src='imgs/butn_presskit.jpg';
	}
}