function menu_style(index)
{
	try
	{
		
		objA = document.getElementById("m_"+index);
		objB = document.getElementById("cn_"+index);
		objC = document.getElementById("en_"+index);
		objA.className = "m_bg_over";
		objB.className = "cn_over";
		objC.className = "en_over";

	}
	catch(e){}
	
}
function menu_style2(index)
{
	try
	{
		
		objA = document.getElementById("m_"+index);
		objB = document.getElementById("cn_"+index);
		objC = document.getElementById("en_"+index);
		objA.className = "m_bg_over2";
		objB.className = "cn_over";
		objC.className = "en_over";

	}
	catch(e){}
	
}
function menu_style_out(index)
{
	try
	{
		
		objA = document.getElementById("m_"+index);
		objB = document.getElementById("cn_"+index);
		objC = document.getElementById("en_"+index);
		objA.className = "m_bg_out";
		objB.className = "cn_out";
		objC.className = "en_out";

	}
	catch(e){}
}