function popUpWindow( url, name, width, height, scrollbars ) {
	var top  = "50"; 
	var left = "50"; 
 
	if( scrollbars == null ) scrollbars = "0"; 
	 
	str  = "resizable=1,titlebar=0,menubar=1,toolbar=1,location=0,directories=0,status=0,"; 
	str += "scrollbars=" + scrollbars + ",width=" + width + ","; 
	str += "height=" + height + ",top=" + top + ",left=" + left; 
 
	window.open( url, name, str ); 
}