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function filter(imagename,objectsrc){
if (document.images)
document.images[imagename].src=eval(objectsrc+".src")
}

a8=new Image(112,15)
a8.src="http://www.dinodatabase.com/gx/bt_age_1.gif"
a391=new Image(112,15)
a391.src="http://www.dinodatabase.com/gx/bt_age_2.gif"

a9=new Image(129,15)
a9.src="http://www.dinodatabase.com/gx/bt_discov_1.gif"
a392=new Image(129,15)
a392.src="http://www.dinodatabase.com/gx/bt_discov_2.gif"

a10=new Image(98,15)
a10.src="http://www.dinodatabase.com/gx/bt_record_1.gif"
a393=new Image(98,15)
a393.src="http://www.dinodatabase.com/gx/bt_record_2.gif"

a11=new Image(128,15)
a11.src="http://www.dinodatabase.com/gx/bt_theor_1.gif"
a394=new Image(128,15)
a394.src="http://www.dinodatabase.com/gx/bt_theor_2.gif"

a12=new Image(57,15)
a12.src="http://www.dinodatabase.com/gx/bt_dict_1.gif"
a395=new Image(57,15)
a395.src="http://www.dinodatabase.com/gx/bt_dict_2.gif"

a13=new Image(122,15)
a13.src="http://www.dinodatabase.com/gx/bt_where_1.gif"
a396=new Image(122,15)
a396.src="http://www.dinodatabase.com/gx/bt_where_2.gif"

a14=new Image(65,15)
a14.src="http://www.dinodatabase.com/gx/bt_appen_1.gif"
a397=new Image(65,15)
a397.src="http://www.dinodatabase.com/gx/bt_appen_2.gif"

a15=new Image(54,18)
a15.src="http://www.dinodatabase.com/gx/bt_gloss_1.gif"
a398=new Image(54,18)
a398.src="http://www.dinodatabase.com/gx/bt_gloss_2.gif"
//-->