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];}}
}

function MM_findObj(n, d) { //v4.0
  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);
  if(!x && document.getElementById) x=document.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 currentPage(location) {
	highlight = '';
	if (current_page == location) { highlight = '_2'; }
	return "<img src='" + nav_path + location + highlight + ".gif' width='110' height='16' alt='" + location + "' border='0' name='" + location + "'>";
}

var detailImage = new Array();
detailImage.length = 0;
function Detail(id, imgname, imgset) {
	this.id = id;
	this.imgname = imgname;
	this.imgset = imgset;
}  

function swapDetail(imageid, imagename, action) {

	var default_box = 'box_photo.gif'; 
	var selected_box = 'box_white.gif'; 
	var current_box = 'box_orange.gif';
	
	if (!detailImage[imageid]) {
		detailImage[imageid] = new Detail(imageid, imagename, 0);
	}
	
	if (action == 'set') {
	
		viweDetail1Obj = MM_findObj('viewdetail1');
		viweDetail2Obj = MM_findObj('viewdetail2');
		var detail_link = 'javascript:openPopUp(\'/pr_detail.php?view=' + imagename + '\',\'imgdetail\',750,750)';
		viweDetail1Obj.href = detail_link;
		viweDetail2Obj.href = detail_link;
	
		detailObj = MM_findObj(detail_image);
		detailObj.src = 'images/project_photos/' + imagename + '.jpg';
		
		for (i = 0; i < detailImage.length; i++) {
			if (detailImage[i]) {
				var this_id = detailImage[i].id;
				detailObj = MM_findObj(detailImage[this_id].imgname);
				detailObj.src = box_path + default_box;
				detailImage[this_id].imgset = 0;
			}
		}
		detailObj = MM_findObj(imagename);
		detailObj.src = box_path + current_box;
		detailImage[imageid].imgset = 1;
		
	} else if (detailImage[imageid].imgset == 0 && action == 'swap') {
	
		detailObj = MM_findObj(imagename);
		detailObj.src = box_path + selected_box;
		
	} else if (detailImage[imageid].imgset == 0 && action == 'restore') {
	
		detailObj = MM_findObj(imagename);
		detailObj.src = box_path + default_box;
		
	}
}

function openPopUp(url,popname,popwidth,popheight,poplocation) {
	switch (poplocation) {
		case "alignwindow": var poptop = window.screenTop; var popleft = window.screenLeft; break;
		case "centerscreen": var poptop = (screen.height - popheight) / 2; var popleft = (screen.width - popwidth) / 2; break;
		default: var poptop = 0; var popleft = 0; break;
	}
	window.open(url,popname,'top='+poptop+',left='+popleft+',width='+popwidth+',height='+popheight+',status=no,location=no,toolbar=no,menubar=no,scrollbars=yes,resizable=yes');
}