var isIExplorer = false;
if (navigator.appName=="Microsoft Internet Explorer") isIExplorer = true;

var winmapa= null;



function MM_openBrWindow(theURL,winName,features) { 
	winmapa = window.open(theURL,winName,features);
	winmapa.focus();
}


function MM_closeBrWindow () {
	if ( isIExplorer )	{
		if ( winmapa != null )	
			winmapa.close();
	}
	else	{
		// Nestcape  
		if ( winmapa != null )	{			
			if (  winmapa.name != undefined)
				winmapa.close();
		}
	}
	
	winmapa = null;
}