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#divmenu0{position:absolute；top:0px；left:30px；visibility:hidden；font-family:arial，helvetica，sans-serif；font-size:18px；font-weight:bold；}

#divmenu1{position:absolute；top:0px；left:150px；visibility:hidden；font-family:arial，helvetica，sans-serif；font-size:18px；font-weight:bold；}

#divmenu2{position:absolute；top:0px；left:250px；visibility:hidden；font-family:arial，helvetica，sans-serif；font-size:18px；font-weight:bold；}

functionlib_bwcheck{browsercheck(needed)

=

=?1:0

=(‘opera5‘)>-1

=((‘msie5‘)>-1&&&&!)?1:0；

=((‘msie6‘)>-1&&&&!)?1:0；

=(&&!&&!)?1:0；

=||||

=(‘mac‘)>-1

=(&&parseint >=5)?1:0；

=(&&!)?1:0；

=(||||||||||)

returnthis

varbw=newlib_bwcheck

howmanypixelsshoulditmoveeverystep?

vartmove=10；

atwhatspeed(inmilliseconds，lowervalueismorespeed)

vartspeed=40

doyouwantittomovewiththepageiftheuserscrollthepage?

vartmoveonscroll=true

howmuchofthemenushouldbevisibleintheinstate?

vartshow=20

/*************

contructsthemenuobjects-objectfunctions

**************/

functionmakemenu(obj，nest，show，move，speed){

nest=(!nest)?‘‘:‘document.‘+nest+‘.‘

=bw.dom?(obj):bw.ie4?:bw.ns4?eval(nest+‘document.‘+obj):0；

=bw.dom?(obj).style:bw.ie4?.style:bw.ns4?eval(nest+‘document.‘+obj):0；

=||||||0

=||||||0

=1；=0；=b_mup；=show；=b_mdown；

=bw.ns4?:

=b_moveit；=move；=speed

=obj+‘object‘；eval(+‘=this‘)

aunitofmeasurethatwillbeaddedwhensettingtheposit=bw.ns4||?‘‘:‘px‘；

functionb_moveit(x，y){=x；=y；=+px；=+px；}

menuin

functionb_mup{

if(>-+){

=1；(，)

settimeout(+‘.mup‘，)

}else{=0；=1}

menuout

functionb_mdown{

if(

这是第二个菜单的内容

菜单二

这是第三个菜单的内容

菜单三