var timerID       = 0;


//  The usual image swapping functions

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];}
}
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_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];}}
}


//  image changer for the projects

function changeImage(imgfile){
	if ( imgfile==prevfile )
		return true;
	if (document.images) {

		var newsrc = 'images/' + pagename + '-' + imgfile + '.jpg';
		document.images['biginmiddle'].src = newsrc;

		//thumbs
		curr='p' + imgfile;
		prev='p' + prevfile;
		prevsrc = 'images/' + pagename + '-' + prevfile + '-s.jpg';
		blanktype = arrBlankType[eval(imgfile)];
		//alert ('i: '+imgfile +',bt: '+ arrBlankType[eval(imgfile)]);
		blanksrc = 'images/00-' + blanktype + '.jpg'

		//alert(document.images[prev].name);
		document.images[curr].src = blanksrc;
		document.images[prev].src = prevsrc;
		prevfile = imgfile;
	}
}

// menu show

function showMenu( which ) {
	clearTimeout( timerID );
	m = document.getElementById('menu');
	m.style.display='block';
}

function hideMenu() {
	clearTimeout( timerID );
	m = document.getElementById('menu');
	m.style.display='none';
}

function startHideCountdown() {
	timerID = setTimeout( "hideMenu()", 200 );
}