ch0 = new Image();
bk0 = new Image();
ch0.src = "images/home/abtbt_mo.gif";
bk0.src = "images/home/abtbt.gif";

ch1 = new Image();
bk1 = new Image();
ch1.src = "images/home/missionbt_mo.gif";
bk1.src = "images/home/missionbt.gif";

ch2 = new Image();
bk2 = new Image();
ch2.src = "images/home/exebt_mo.gif";
bk2.src = "images/home/exebt.gif";

ch3 = new Image();
bk3 = new Image();
ch3.src = "images/home/eventbt_mo.gif";
bk3.src = "images/home/eventbt.gif";

ch4 = new Image();
bk4 = new Image();
ch4.src = "images/home/photobt_mo.gif";
bk4.src = "images/home/photobt.gif";

ch5 = new Image();
bk5 = new Image();
ch5.src = "images/home/guestbt_mo.gif";
bk5.src = "images/home/guestbt.gif"; 

ch6 = new Image();
bk6 = new Image();
ch6.src = "images/home/contbt_mo.gif";
bk6.src = "images/home/contbt.gif";

ch7 = new Image();
bk7 = new Image();
ch7.src = "images/home/usbt_mo.gif";
bk7.src = "images/home/usbt.gif";

ch8 = new Image();
bk8 = new Image();
ch8.src = "images/home/facultybt_mo.gif";
bk8.src = "images/home/facultybt.gif";

ch9 = new Image();
bk9 = new Image();
ch9.src = "images/home/grantbt_mo.gif";
bk9.src = "images/home/grantbt.gif";

ch10 = new Image();
bk10 = new Image();
ch10.src = "images/home/managbt_mo.gif";
bk10.src = "images/home/managbt.gif";

ch11 = new Image();
bk11 = new Image();
ch11.src = "images/home/linkbt_mo.gif";
bk11.src = "images/home/linkbt.gif";

ch12 = new Image();
bk12 = new Image();
ch12.src = "../images/internal/images/home01.gif";
bk12.src = "../images/internal/images/home.gif";

ch13 = new Image();
bk13 = new Image();
ch13.src = "../images/internal/images/abtus01.gif";
bk13.src = "../images/internal/images/abtus.gif";

ch14 = new Image();
bk14 = new Image();
ch14.src = "../images/internal/images/mission01.gif";
bk14.src = "../images/internal/images/mission.gif";

ch15 = new Image();
bk15 = new Image();
ch15.src = "../images/internal/images/execom01.gif";
bk15.src = "../images/internal/images/execom.gif";

ch16 = new Image();
bk16 = new Image();
ch16.src = "../images/internal/images/events01.gif";
bk16.src = "../images/internal/images/events.gif";

ch17 = new Image();
bk17 = new Image();
ch17.src = "../images/internal/images/photogall01.gif";
bk17.src = "../images/internal/images/photogall.gif";

ch18 = new Image();
bk18 = new Image();
ch18.src = "../images/internal/images/guest01.gif";
bk18.src = "../images/internal/images/guest.gif";

ch33 = new Image();
bk33 = new Image();
ch33.src = "../images/internal/images/landmark01.gif";
bk33.src = "../images/internal/images/landmark.gif";

ch19 = new Image();
bk19 = new Image();
ch19.src = "../images/internal/images/contact01.gif";
bk19.src = "../images/internal/images/contact.gif";

ch20 = new Image();
bk20 = new Image();
ch20.src = "../images/internal/images/usent01.gif";
bk20.src = "../images/internal/images/usent.gif";

ch21 = new Image();
bk21 = new Image();
ch21.src = "../images/internal/images/faculty01.gif";
bk21.src = "../images/internal/images/faculty.gif";

ch22 = new Image();
bk22 = new Image();
ch22.src = "../images/internal/images/grants01.gif";
bk22.src = "../images/internal/images/grants.gif";

ch23 = new Image();
bk23 = new Image();
ch23.src = "../images/internal/images/exeprog01.gif";
bk23.src = "../images/internal/images/exeprog.gif";

ch24 = new Image();
bk24 = new Image();
ch24.src = "../images/internal/images/youth01.gif";
bk24.src = "../images/internal/images/youth.gif";

ch25 = new Image();
bk25 = new Image();
ch25.src = "../images/internal/images/bot_home01.gif";
bk25.src = "../images/internal/images/bot_home.gif";

ch26 = new Image();
bk26 = new Image();
ch26.src = "../images/internal/images/bot_abtus01.gif";
bk26.src = "../images/internal/images/bot_abtus.gif";

ch27 = new Image();
bk27 = new Image();
ch27.src = "../images/internal/images/bot_events01.gif";
bk27.src = "../images/internal/images/bot_events.gif";

ch28 = new Image();
bk28 = new Image();
ch28.src = "../images/internal/images/bot_course01.gif";
bk28.src = "../images/internal/images/bot_course.gif";

ch29 = new Image();
bk29 = new Image();
ch29.src = "../images/internal/images/bot_semi01.gif";
bk29.src = "../images/internal/images/bot_semi.gif";

ch30 = new Image();
bk30 = new Image();
ch30.src = "../images/internal/images/bot_member01.gif";
bk30.src = "../images/internal/images/bot_member.gif";

ch31 = new Image();
bk31 = new Image();
ch31.src = "../images/internal/images/bot_contact01.gif";
bk31.src = "../images/internal/images/bot_contact.gif";

ch32 = new Image();
bk32 = new Image();
ch32.src = "../images/internal/images/bot_sitemap01.gif";
bk32.src = "../images/internal/images/bot_sitemap.gif";