function openWin2( windowURL, windowName, windowFeatures,posx,posy) { 
		x=screen.width;
		y=screen.height;
		x=x/2-posx;
		y=y/2-posy;
		windowFeatures=windowFeatures + ",top="+y+",left="+x
	
	return window.open( windowURL, windowName, windowFeatures ) ; 
	} 
	
function ChequearDatos(login){

newWindow = openWin2('/home/chat/chat.asp?event=login&login='+login, 'nombre', 'width=600,height=500,toolbar=0,location=0,directories=0,status=0,menuBar=0,scrollBars=0,resizable=no',350,200 );

}