if (document.images) {
uparrow1 = new Image(12,13)
uparrow1.src ="images/uparrow1.gif" 
uparrow2 = new Image(12,13)
uparrow2.src ="images/uparrow2.gif"

downarrow1 = new Image(12,13)
downarrow1.src ="images/downarrow1.gif" 
downarrow2 = new Image(12,13)
downarrow2.src ="images/downarrow2.gif"

leftarrow1 = new Image(13,24)
leftarrow1.src ="images/leftarrow1.gif" 
leftarrow2 = new Image(13,24)
leftarrow2.src ="images/leftarrow2.gif"

rightarrow1 = new Image(13,24)
rightarrow1.src ="images/rightarrow1.gif" 
rightarrow2 = new Image(13,24)
rightarrow2.src ="images/rightarrow2.gif"

go1 = new Image(30,23)
go1.src ="images/go1.gif" 
go2 = new Image(30,23)
go2.src ="images/go2.gif"

info1 = new Image(30,30)
info1.src ="images/info1.gif" 
info2 = new Image(30,30)
info2.src ="images/info2.gif"

play1 = new Image(49,24)
play1.src ="images/play1.gif" 
play2 = new Image(49,24)
play2.src ="images/play2.gif"

stop1 = new Image(49,24)
stop1.src ="images/stop1.gif" 
stop2 = new Image(49,24)
stop2.src ="images/stop2.gif"

}