//ddm.js
var timeout         = 500;
var closetimer	  = 0;
var ddmenuitem      = 0;
// open hidden layer
function mopen2(){
	mopen("m2");
}
function mopen3(){
	mopen("m3");
}
function mopen4(){
	mopen("m4");
}
function mopen5(){
	mopen("m5");
}
function mopen6(){
	mopen("m6");
}
function mopen7(){
	mopen("m7");
}
function mopen8(){
	mopen("m7");
}
function mopen9(){
	mopen("m7");
}
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; 
// -->