/*code to make other tabs inactive*/
function make_active(id)
{
	
	document.getElementById(id).setAttribute('class', 'current');
	var check_array = new Array('m1','m2','m3','m4','m5',m6);
	var hide_div;
		var j;
	
		var len = check_array.length;
		 
		for (j=0;j< len ;j++)
		{
			 
			hide_div = check_array[j];
			document.getElementById(hide_div).setAttribute('class', 'inactive');
		}
	/*code to make other tabs inactive-ends here*/
	
}

function make_inactive(id)
{
	document.getElementById(id).setAttribute('class', 'inactive');
	 
}


<!--
var timeout         = 500;
var closetimer		= 0;
var ddmenuitem      = 0;

// open hidden layer
function mopen(id)
{	
	// cancel close timer
	mcancelclosetime();

	// close old layer
	if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';

	// get new layer and show it
	ddmenuitem = document.getElementById(id);
	ddmenuitem.style.visibility = 'visible';

}
// close showed layer
function mclose()
{
	if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';
}

// go close timer
function mclosetime()
{
	closetimer = window.setTimeout(mclose, timeout);
}

// cancel close timer
function mcancelclosetime()
{
	if(closetimer)
	{
		window.clearTimeout(closetimer);
		closetimer = null;
	}
}

// close layer when click-out
document.onclick = mclose; 
// -->