function Menuddd(num)
{
	var cbb_menu1=document.getElementById("line1");
	var cbb_menu2=document.getElementById("line2");
	var cbb_menu3=document.getElementById("line3");
	if(num==1)
	{
		cbb_menu1.style.display = "";
		cbb_menu2.style.display = "none";  
		cbb_menu3.style.display = "none";
	}
	if(num==2)
	{
		cbb_menu1.style.display = "none";
		cbb_menu2.style.display = "";  
		cbb_menu3.style.display = "none";
	}
	if(num==3)
	{
		cbb_menu1.style.display = "none";
		cbb_menu2.style.display = "none";  
		cbb_menu3.style.display = "";
	}
}