The SOC - Photo Notes

function viewPhoto (photoURL, photoText) { window.location.href = "photo-viewer.htm?" + photoURL + "?" + photoText; } /* Get the photo caption to be used on the 'photo viewer' page. This is set the text from the element below (ie a child of) the anchor tag. (Ignore the first element if it has class="mount" - this is a positioning element wrapping the image.) If no text found, it should be set to the "alt" value from the first below the anchor tag instead. */ function getPhotoCaption(anchor) { var spanList = anchor.getElementsByTagName("span"); if (spanList.length > 0) { var photoText = ""; var spanElement = spanList[0]; if (spanElement.className == "mount") { spanElement = spanList[1]; } var spanChildren = spanElement.childNodes; for (var c = 0; c < spanChildren.length; c++) { photoText = photoText + getPhotoCaptionComponent(spanChildren.item(c)); } return photoText; } var imgList = anchor.getElementsByTagName("img"); if (imgList.length > 0) { var photoText = imgList[0].getAttribute("alt"); if (photoText != null) { return photoText; } } return ""; } /* Convert a single HTML node into a text value for use as (part of) the photo caption on the 'photo viewer' page. This function is called recursively to convert, for example, one element inside another. */ function getPhotoCaptionComponent(captionNode) { if (captionNode.nodeType == 3) /* IE doesn't recognise Node.TEXT_NODE */ { return captionNode.nodeValue; } if (captionNode.nodeType == 1) /* IE doesn't recognise Node.ELEMENT_NODE */ { var captionText = "<" + captionNode.nodeName.toLowerCase(); var attribs = captionNode.attributes; for (var a = 0; a < attribs.length; a++) { if (attribs.item(a).nodeName.toLowerCase() == "class") /* older Opera browsers return attribute names in upper case */ { captionText = captionText + " " + attribs.item(a).nodeName.toLowerCase() + "=\\\"" + attribs.item(a).nodeValue + "\\\""; } } captionText = captionText + ">"; var children = captionNode.childNodes; for (var c = 0; c < children.length; c++) { captionText = captionText + getPhotoCaptionComponent(children.item(c)); } var captionText = captionText + ""; return captionText; } } function popupMail(name,domain,suffixcd) { var at = "@"; var mailto = "mailto:"; var suffix; if (suffixcd == "au") suffix = ".ac.uk"; else if (suffixcd == "c") suffix = ".com"; else if (suffixcd == "cu") suffix = ".co.uk"; else if (suffixcd == "gu") suffix = ".gov.uk"; else if (suffixcd == "n") suffix = ".net"; else if (suffixcd == "o") suffix = ".org"; else if (suffixcd == "ou") suffix = ".org.uk"; window.location = mailto + name + at + domain + suffix; } function popupText(txt) { textWindow = window.open("","txt","width=300,height=300,scrollbars"); windowHead = "The SOC - Photo Notes"; windowBody = "" + txt + ""; textWindow.document.write("" + windowHead + windowBody + ""); textWindow.document.close(); textWindow.focus(); } function preparePopups() { if (!document.getElementsByTagName) { return; } var anchors = document.getElementsByTagName("a"); for (var i = 0; i < anchors.length; i++) { var anchor = anchors[i]; var rel = anchor.getAttribute("rel"); if (rel) { var relVals = rel.split("|"); if (relVals[0] == "photo" || relVals[0] == "photo2") { var href = anchor.getAttribute("href"); var spanList = anchor.getElementsByTagName("span"); var photoText = getPhotoCaption(anchor); anchor.setAttribute('href', 'javascript:viewPhoto("'+href+'","'+photoText+'")'); } else if (relVals[0] == "external" || relVals[0] == "doc") { anchor.setAttribute("target", "_blank"); } else if (relVals[0] == "email") { anchor.setAttribute("href", "javascript:popupMail('"+relVals[1]+"','"+relVals[2]+"','"+relVals[3]+"')"); } else if (relVals[0] == "text") { anchor.setAttribute("href", "javascript:popupText('"+relVals[1]+"')"); } } } } function XMLtoString(elem) { var serialized; try { // XMLSerializer exists in current Mozilla browsers serializer = new XMLSerializer(); serialized = serializer.serializeToString(elem); } catch (e) { // Internet Explorer has a different approach to serializing XML serialized = elem.xml; } return serialized; } window.onload = preparePopups;