function NameOfImage(img) 

{ 

var MyNewImage=new Image(); MyNewImage.src=img; return MyNewImage; 

} 

btn01a=NameOfImage('portaldata/images/page/btn01a.gif');
btn01b=NameOfImage('portaldata/images/page//btn01b.gif');

btn02a=NameOfImage('portaldata/images/page//btn02a.gif');
btn02b=NameOfImage('portaldata/images/page//btn02b.gif');

btn03a=NameOfImage('portaldata/images/page//btn03a.gif');
btn03b=NameOfImage('portaldata/images/page//btn03b.gif');

btn04a=NameOfImage('portaldata/images/page//btn04a.gif');
btn04b=NameOfImage('portaldata/images/page//btn04b.gif');

btn05a=NameOfImage('portaldata/images/page//btn05a.gif');
btn05b=NameOfImage('portaldata/images/page//btn05b.gif');