firstimage_1=new Image()
firstimage_1.src="but_bm/bm_but01a.gif"
secondimage_1=new Image()
secondimage_1.src="but_bm/bm_but01b.gif"
firstimage_2=new Image()
firstimage_2.src="but_bm/bm_but02a.gif"
secondimage_2=new Image()
secondimage_2.src="but_bm/bm_but02b.gif"
firstimage_3=new Image()
firstimage_3.src="but_bm/bm_but03a.gif"
secondimage_3=new Image()
secondimage_3.src="but_bm/bm_but03b.gif"
firstimage_4=new Image()
firstimage_4.src="but_bm/bm_but05a.gif"
secondimage_4=new Image()
secondimage_4.src="but_bm/bm_but05b.gif"
firstimage_5=new Image()
firstimage_5.src="but_bm/bm_but06a.gif"
secondimage_5=new Image()
secondimage_5.src="but_bm/bm_but06b.gif"
firstimage_6=new Image()
firstimage_6.src="but_bm/utama/utama_a.gif"
secondimage_6=new Image()
secondimage_6.src="but_bm/utama/utama_b.gif"

firstimage_8=new Image()
firstimage_8.src="but_bm/bm_gol_a.gif"
secondimage_8=new Image()
secondimage_8.src="but_bm/bm_gol_b.gif"
firstimage_9=new Image()
firstimage_9.src="but_bm/bm_alor_a.gif"
secondimage_9=new Image()
secondimage_9.src="but_bm/bm_alor_b.gif"
firstimage_10=new Image()
firstimage_10.src="but_bm/bm_hall_a.gif"
secondimage_10=new Image()
secondimage_10.src="but_bm/bm_hall_b.gif"
firstimage_11=new Image()
firstimage_11.src="but_bm/bm_opp_a.gif"
secondimage_11=new Image()
secondimage_11.src="but_bm/bm_opp_b.gif"
firstimage_12=new Image()
firstimage_12.src="but_bm/bm_map_a.gif"
secondimage_12=new Image()
secondimage_12.src="but_bm/bm_map_b.gif"
firstimage_13=new Image()
firstimage_13.src="but_bm/bm_ked_a.gif"
secondimage_13=new Image()
secondimage_13.src="but_bm/bm_ked_b.gif"
firstimage_14=new Image()
firstimage_14.src="but_bm/bm_sear_a.gif"
secondimage_14=new Image()
secondimage_14.src="but_bm/bm_sear_b.gif"
firstimage_15=new Image()
firstimage_15.src="but/but_bi_a.gif"
secondimage_15=new Image()
secondimage_15.src="but/but_bi_b.gif"


function filter(imagename,objectsrc){
if (document.images)
document.images[imagename].src=eval(objectsrc+".src")
}