var timeout         = 500;
var closetimer		= 0;
var ddmenuitem      = 0;

function mopen(id)
{	
	mcancelclosetime();
	mclose();

	ddmenuitem = id;
	
	var itm = $('#' + ddmenuitem); 
	itm.show();

	var itm =$('#m' + ddmenuitem); 	

}

function mclose()
{
	if (ddmenuitem != 0){
    	var itm = $('#m' + ddmenuitem);     	
    	var itm = $('#' + ddmenuitem); 
    	itm.hide();
	}
}

function mclosetime()
{
	closetimer = window.setTimeout(mclose, timeout);
}

function mcancelclosetime()
{
	if(closetimer)
	{
		window.clearTimeout(closetimer);
		closetimer = null;
	}
}

document.onclick = mclose;