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) { //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;
}

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];}
}


prop_cur = 1;
safari=(navigator.userAgent.indexOf('Safari')!=-1);
function swapImg(i) {
	var j;
	prop_cur = i;
	if (safari) {
		document.getElementById("photo").src = 'docs/images/trans.gif';
	}
	document.getElementById("photo").src = prop_imgs[i].src;
	document.getElementById("photo_num").innerHTML = i;
	
}

function nextImg() {
	if (prop_cur == prop_tot) {
		prop_cur = 1;
	} else {
		prop_cur += 1;
	}
	swapImg(prop_cur);
}
function prevImg() {
	if (prop_cur == 1) {
		prop_cur = prop_tot;
	} else {
		prop_cur -= 1;
	}
	swapImg(prop_cur);
}

function popWin(src) {
	var size_type = "a";
	var size_str = "";
	if (arguments.length == 2) {
		size_type = arguments[1];
	}
	switch(size_type) {
		case "a":{size_str='width=800,height=600,scrollbars=yes';break;}
		case "b":{size_str='width=800,height=750,scrollbars=no';break;}
	}
	window.open(src,"","toolbar=no,location=no,directories=no,status=no,menubar=no,resizable=yes,"+size_str);
}