//Multiple Button Rollover Code
//copyright © 2000 - 2003, Dax Assist
//visit http://www.daxassist.com for this and other javascripts with full tutorials.

if(document.images) {
pics = new Array();
pics[1] = new Image();
pics[1].src = "images/nav_toc_off.gif";
pics[2] = new Image();
pics[2].src = "images/nav_tableofcontents.gif";
pics[3] = new Image();
pics[3].src = "images/nav_previews_off.gif";
pics[4] = new Image();
pics[4].src = "images/nav_previews.gif";
pics[5] = new Image();
pics[5].src = "images/nav_reviews_off.gif";
pics[6] = new Image();
pics[6].src = "images/nav_reviews.gif";
pics[7] = new Image();
pics[7].src = "images/nav_exhibitcal_off.gif";
pics[8] = new Image();
pics[8].src = "images/nav_exhibitcal.gif";
pics[9] = new Image();
pics[9].src = "images/nav_classified_off.gif";
pics[10] = new Image();
pics[10].src = "images/nav_classifieds.gif";
pics[11] = new Image();
pics[11].src = "images/nav_adindex_off.gif";
pics[12] = new Image();
pics[12].src = "images/nav_adindex.gif";
pics[13] = new Image();
pics[13].src = "images/nav_about_off.gif";
pics[14] = new Image();
pics[14].src = "images/nav_about.gif";
pics[15] = new Image();
pics[15].src = "images/nav_subscribe_off.gif";
pics[16] = new Image();
pics[16].src = "images/nav_subscriptions.gif";
pics[17] = new Image();
pics[17].src = "images/nav_advertise_off.gif";
pics[18] = new Image();
pics[18].src = "images/nav_advertising.gif";
pics[19] = new Image();
pics[19].src = "images/nav_wheretobuy_off.gif";
pics[20] = new Image();
pics[20].src = "images/nav_wheretobuy.gif";
pics[21] = new Image();
pics[21].src = "images/nav_contact_off.gif";
pics[22] = new Image();
pics[22].src = "images/nav_contact.gif";
pics[23] = new Image();
pics[23].src = "images/nav_home_off.gif";
pics[24] = new Image();
pics[24].src = "images/nav_home_on.gif";
pics[25] = new Image();
pics[25].src = "images/nav_backissues_off.gif";
pics[26] = new Image();
pics[26].src = "images/nav_backissues_on.gif";
pics[27] = new Image();
pics[27].src = "images/nav_competitions_off.gif";
pics[28] = new Image();
pics[28].src = "images/nav_competitions_on.gif";
	}
	function changer(from,to) {
	if(document.images) {
	document.images[from].src = pics[to].src;
	}
  }
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}