function metrohref()
 {

	var i;
	var s=new String(document.parentWindow.name) ;
	var p= document.parentWindow.name.length;
	i = s.search("DispArea");
	i =1;
           	if (i  >=0 )
		{
			return true;	
		}
	else
		{
		  if  ( p == 0)
			{
				return true;
			}

		else	{
			document.write("<H2><FONT COLOR = blue>Warning !! This is an unauthorized access to the official site of Indian Railways");
			document.write("\n<BR> Use www.indianrail.gov.in</H2>");
				return false;
			}
		
			
	}
}