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.i1_df = new Image();
 isimages.i1_df.src = "images/btnMain.gif";
 isimages.i1_ov = new Image();
 isimages.i1_ov.src = "images/btnMain_on.gif";
 isimages.i2_df = new Image();
 isimages.i2_df.src = "images/btnNews.gif";
 isimages.i2_ov = new Image();
 isimages.i2_ov.src = "images/btnNews_on.gif";
 isimages.i3_df = new Image();
 isimages.i3_df.src = "images/btnModels.gif";
 isimages.i3_ov = new Image();
 isimages.i3_ov.src = "images/btnModels_on.gif";
 isimages.i4_df = new Image();
 isimages.i4_df.src = "images/btnContacts.gif";
 isimages.i4_ov = new Image();
 isimages.i4_ov.src = "images/btnContacts_on.gif";
 isimages.i5_df = new Image();
 isimages.i5_df.src = "images/btnGallery.gif";
 isimages.i5_ov = new Image();
 isimages.i5_ov.src = "images/btnGallery_on.gif";
 isimages.i6_df = new Image();
 isimages.i6_df.src = "images/C_Photo.gif";
 isimages.i6_ov = new Image();
 isimages.i6_ov.src = "images/C_Photo_on.gif";
 isimages.i7_df = new Image();
 isimages.i7_df.src = "images/C_Video.gif";
 isimages.i7_ov = new Image();
 isimages.i7_ov.src = "images/C_Video_on.gif";
 }