var windowOpen = false;
var window1;
function MM_openBrWindow(theURL,winName,features) { //v2.0
   if (windowOpen == false)
        {
		windowOpen = true;
	   	window1=window.open(theURL,winName,features);
		}
   else if (windowOpen == true)
       	{
        window1.close();
		windowOpen = true;   
	  	window1=window.open(theURL,winName,features);
		} 
}//-->


function menu( id)
{
	if(document.getElementById(id).style.display=='none')
	{
		document.getElementById(id).style.display='block'; 
	}
	else
	{
		document.getElementById(id).style.display='none'; 
		
	}
}