function Show(num,img)
{	
	for(var i=1;i<6;i++)
	{
		if(i==num)
		{
			document.getElementById("bu_"+i.toString()).className = "select_over";
			document.getElementById("tb_"+i.toString()).style.display = "block";
		}
		else
		{
			document.getElementById("bu_"+i.toString()).className = "select_out";
			document.getElementById("tb_"+i.toString()).style.display = "none";
		}
	}
	
}
function Show1(num,img)
{	
	for(var i=1;i<5;i++)
	{
		if(i==num)
		{
			document.getElementById("bu_"+i.toString()).className = "select_over";
			document.getElementById("tb_"+i.toString()).style.display = "block";
		}
		else
		{
			document.getElementById("bu_"+i.toString()).className = "select_out";
			document.getElementById("tb_"+i.toString()).style.display = "none";
		}
	}
	
}