var mWhichButton = 0;
		
function MM_findObj(n, d) { //v3.0
  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); return x;
}
/* Functions that swaps images. */
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];}
}

function MM_swapImagePage() {


}

function Set(n)
{
	mWhichButton = n;
}

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;
  }

}

/* Functions that handle preload. */
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 overMenuItem(n) {

	if(n==-1)
	{
		MM_swapImage('aboutcaia','','pix/aboutcaia_up.gif',1);
		MM_swapImage('exhibs','','pix/exhibs_up.gif',1);		
		MM_swapImage('reviews','','pix/reviews_up.gif',1);			
		MM_swapImage('emailme','','pix/emailme_up.gif',1);			
		return;
	}


	if(mWhichButton==0)
		MM_swapImage('aboutcaia','','pix/aboutcaia_dn.gif',1);
	else
		if(n==0) 
			MM_swapImage('aboutcaia','','pix/aboutcaia_hl.gif',1);
		else
			MM_swapImage('aboutcaia','','pix/aboutcaia_up.gif',1);
	

	if( mWhichButton==1)
		MM_swapImage('exhibs','','pix/exhibs_dn.gif',1);
	else
		if(n==1)
			MM_swapImage('exhibs','','pix/exhibs_hl.gif',1);
		else
			MM_swapImage('exhibs','','pix/exhibs_up.gif',1);

	if( mWhichButton==2)
		MM_swapImage('reviews','','pix/reviews_dn.gif',1);
	else
		if(n==2)
			MM_swapImage('reviews','','pix/reviews_hl.gif',1);
		else
			MM_swapImage('reviews','','pix/reviews_up.gif',1);
	
	if(n==3)
		MM_swapImage('emailme','','pix/emailme_hl.gif',1);
	else
		MM_swapImage('emailme','','pix/emailme_up.gif',1);
		

}