function Showtab(n)
{
	for(i=1;i<=3;i++)
	{
	document.getElementById("tab_content" + i).style.display="none";
	document.getElementById("tab"+i+".style.color=\"333333\";");
	}
	document.getElementById("tab"+n+".style.color=\"998D47\";");
	document.getElementById("tab_content" + n).style.display="";
}