//nav rollovers
		
block100= new Image();
block101= new Image();
block200= new Image();
block201= new Image();
block300= new Image();
block301= new Image();
block400= new Image();
block401= new Image();
block500= new Image();
block501= new Image();
block600= new Image();
block601= new Image();
block700= new Image();
block701= new Image();
block800= new Image();
block801= new Image();
block900= new Image();
block901= new Image();
block950= new Image();
block951= new Image();


block100.src="images/buttons/home.jpg";
block101.src="images/buttons/home_over.jpg";

block200.src="images/buttons/conferences.jpg";
block201.src="images/buttons/conferences_over.jpg";

block300.src="images/buttons/exhibitioninfo.jpg" ;
block301.src="images/buttons/exhibitioninfo_over.jpg";

block400.src="images/buttons/visitorinfo.jpg";
block401.src="images/buttons/visitorinfo_over.jpg";

block500.src="images/buttons/travelinfo.jpg";
block501.src="images/buttons/travelinfo_over.jpg";

block600.src="images/buttons/registration.jpg";
block601.src="images/buttons/registration_over.jpg";

block700.src="images/buttons/contactus.jpg";
block701.src="images/buttons/contactus_over.jpg";

block800.src="images/buttons/accomodation.jpg";
block801.src="images/buttons/accomodation_over.jpg";

block900.src="images/buttons/archives.jpg";
block901.src="images/buttons/archives_over.jpg";

block950.src="images/buttons/sponsors.jpg";
block951.src="images/buttons/sponsors_over.jpg";




function displayMenu(num){

if (num=="100"){
 document.Home.src=block101.src;


}else if (num=="200"){

 document.Conf.src=block201.src;

 
}else if (num=="300"){
document.Exhib.src=block301.src;

 
}else if (num=="400"){
document.Vistor.src=block401.src;
 
}else if (num=="500"){
document.Travel.src=block501.src;

 
 }else if (num=="600"){
 document.Reg.src=block601.src;


 }else if (num=="700"){
 document.Contact.src=block701.src;
 
} else if (num=="800"){
 document.Accomodation.src=block801.src;
 
 }else if (num=="900"){
 document.Archive.src=block901.src;

}else if (num=="950"){
 document.Sponsors.src=block951.src;

 
}else if (num=="1000"){
// document.Home.src=block100.src;
 document.Conf.src=block200.src;
 document.Exhib.src=block300.src;
 document.Vistor.src=block400.src;
 document.Travel.src=block500.src;
 document.Reg.src=block600.src;
 document.Contact.src=block700.src;
  document.Accomodation.src=block800.src;
 document.Archive.src=block900.src;
document.Sponsors.src=block950.src;

 }else if (num=="1001"){
 document.Conf.src=block200.src;
 document.Exhib.src=block300.src;
 document.Vistor.src=block400.src;
 document.Travel.src=block500.src;
 document.Reg.src=block600.src;
 document.Contact.src=block700.src;
  document.Accomodation.src=block800.src;
 document.Archive.src=block900.src;


 }else if (num=="1002"){
 document.Home.src=block100.src;
 document.Exhib.src=block300.src;
 document.Vistor.src=block400.src;
 document.Travel.src=block500.src;
 document.Reg.src=block600.src;
 document.Contact.src=block700.src;
  document.Accomodation.src=block800.src;
 document.Archive.src=block900.src;

 
  }else if (num=="1003"){
 document.Home.src=block100.src;
 document.Conf.src=block200.src;
 document.Vistor.src=block400.src;
 document.Travel.src=block500.src;
 document.Reg.src=block600.src;
 document.Contact.src=block700.src;
  document.Accomodation.src=block800.src;
 document.Archive.src=block900.src;


  }else if (num=="1004"){
 document.Home.src=block100.src;
 document.Conf.src=block200.src;
 document.Exhib.src=block300.src;
 document.Travel.src=block500.src;
 document.Reg.src=block600.src;
 document.Contact.src=block700.src;
  document.Accomodation.src=block800.src;
 document.Archive.src=block900.src;
 

  }else if (num=="1005"){
 document.Home.src=block100.src;
 document.Conf.src=block200.src;
 document.Exhib.src=block300.src;
 document.Vistor.src=block400.src;
 document.Reg.src=block600.src;
 document.Contact.src=block700.src;
  document.Accomodation.src=block800.src;
 document.Archive.src=block900.src;

 
  }else if (num=="1006"){
 document.Home.src=block100.src;
 document.Conf.src=block200.src;
 document.Exhib.src=block300.src;
 document.Vistor.src=block400.src;
 document.Travel.src=block500.src;
 document.Contact.src=block700.src;
  document.Accomodation.src=block800.src;
 document.Archive.src=block900.src;


  }else if (num=="1007"){
 document.Home.src=block100.src;
 document.Conf.src=block200.src;
 document.Exhib.src=block300.src;
 document.Vistor.src=block400.src;
 document.Travel.src=block500.src;
 document.Reg.src=block600.src;
 document.Accomodation.src=block800.src;
 document.Archive.src=block900.src;

}


else if (num=="1008"){
 document.Home.src=block100.src;
 document.Conf.src=block200.src;
 document.Exhib.src=block300.src;
 document.Vistor.src=block400.src;
 document.Travel.src=block500.src;
 document.Reg.src=block600.src;
  document.Contact.src=block700.src;
 document.Accomodation.src=block800.src;
 document.Archive.src=block900.src;

}

else if (num=="1009"){
 document.Home.src=block100.src;
 document.Conf.src=block200.src;
 document.Exhib.src=block300.src;
 document.Vistor.src=block400.src;
 document.Travel.src=block500.src;
 document.Reg.src=block600.src;
  document.Contact.src=block700.src;
 document.Accomodation.src=block800.src;

}

else if (num=="1010"){
 document.Home.src=block100.src;
 document.Conf.src=block200.src;
 document.Exhib.src=block300.src;
 document.Vistor.src=block400.src;
 document.Travel.src=block500.src;
 document.Reg.src=block600.src;
  document.Contact.src=block700.src;
 document.Accomodation.src=block800.src;
 document.Archive.src=block900.src;


}
}