isamap = new Object();
isamap[0] = "_df"
isamap[1] = "_ov"
function isimgact(id, act)
{if(document.images) document.images[id].src=eval("isimages."+id+isamap[act]+".src");}
if (document.images) { 
isimages = new Object();
isimages.b0_df=new Image(); isimages.b0_df.src="/images/leftmenu/0.gif"; isimages.b0_ov=new Image(); isimages.b0_ov.src="/images/leftmenu/0a.gif";
isimages.b1_df=new Image(); isimages.b1_df.src="/images/leftmenu/1.gif"; isimages.b1_ov=new Image(); isimages.b1_ov.src="/images/leftmenu/1a.gif";
isimages.b2_df=new Image(); isimages.b2_df.src="/images/leftmenu/2.gif"; isimages.b2_ov=new Image(); isimages.b2_ov.src="/images/leftmenu/2a.gif";
isimages.b3_df=new Image(); isimages.b3_df.src="/images/leftmenu/3.gif"; isimages.b3_ov=new Image(); isimages.b3_ov.src="/images/leftmenu/3a.gif";
isimages.b4_df=new Image(); isimages.b4_df.src="/images/leftmenu/4.gif"; isimages.b4_ov=new Image(); isimages.b4_ov.src="/images/leftmenu/4a.gif";
isimages.b5_df=new Image(); isimages.b5_df.src="/images/leftmenu/5.gif"; isimages.b5_ov=new Image(); isimages.b5_ov.src="/images/leftmenu/5a.gif";
isimages.b6_df=new Image(); isimages.b6_df.src="/images/leftmenu/6.gif"; isimages.b6_ov=new Image(); isimages.b6_ov.src="/images/leftmenu/6a.gif";
isimages.b7_df=new Image(); isimages.b7_df.src="/images/leftmenu/7.gif"; isimages.b7_ov=new Image(); isimages.b7_ov.src="/images/leftmenu/7a.gif";
}