var initphotoswipefromdom = function(galleryselector,classname) {
			var parsethumbnailelements = function(el) {
			    var thumbelements = el.childnodes,
			        numnodes = thumbelements.length,
			        items = [],
			        el,
			        childelements,
			        thumbnailel,
			        size,
			        item;

			    for(var i = 0; i < numnodes; i++) {
			        el = thumbelements[i];

			        // include only element nodes 
			        if(el.nodetype !== 1) {
			          continue;
			        }

			        childelements = el.children;

			        size = el.getattribute('data-size').split('x');

			        // create slide object
			        item = {
						src: el.getattribute('href'),
						w: parseint(size[0], 10),
						h: parseint(size[1], 10)
			        };

			        item.el = el; // save link to element for getthumbboundsfn

			        if(childelements.length > 0) {
			          item.msrc = childelements[0].getattribute('src'); // thumbnail url
			          if(childelements.length > 1) {
			              item.title = childelements[1].innerhtml; // caption (contents of figure)
			          }
			        }

//
//					var mediumsrc = el.getattribute('data-med');
//		          	if(mediumsrc) {
//		            	size = el.getattribute('data-med-size').split('x');
//		            	// "medium-sized" image
//		            	item.m = {
//		              		src: mediumsrc,
//		              		w: parseint(size[0], 10),
//		              		h: parseint(size[1], 10)
//		            	};
//		          	}
//		          	// original image
//		          	item.o = {
//		          		src: item.src,
//		          		w: item.w,
//		          		h: item.h
//		          	};

			        items.push(item);
			    }

			    return items;
			};

			// find nearest parent element
			var closest = function closest(el, fn) {
			    return el && ( fn(el) ? el : closest(el.parentnode, fn) );
			};

			var onthumbnailsclick = function(e) {
			    e = e || window.event;
			    e.preventdefault ? e.preventdefault() : e.returnvalue = false;

			    var etarget = e.target || e.srcelement;

			    var clickedlistitem = closest(etarget, function(el) {
			        return el.tagname === classname;
			    });

			    if(!clickedlistitem) {
			        return;
			    }

			    var clickedgallery = clickedlistitem.parentnode;

			    var childnodes = clickedlistitem.parentnode.childnodes,
			        numchildnodes = childnodes.length,
			        nodeindex = 0,
			        index;

			    for (var i = 0; i < numchildnodes; i++) {
			        if(childnodes[i].nodetype !== 1) { 
			            continue; 
			        }

			        if(childnodes[i] === clickedlistitem) {
			            index = nodeindex;
			            break;
			        }
			        nodeindex++;
			    }

			    if(index >= 0) {
			        openphotoswipe( index, clickedgallery );
			    }
			    return false;
			};

			var photoswipeparsehash = function() {
				var hash = window.location.hash.substring(1),
			    params = {};

			    if(hash.length < 5) { // pid=1
			        return params;
			    }

			    var vars = hash.split('&');
			    for (var i = 0; i < vars.length; i++) {
			        if(!vars[i]) {
			            continue;
			        }
			        var pair = vars[i].split('=');  
			        if(pair.length < 2) {
			            continue;
			        }           
			        params[pair[0]] = pair[1];
			    }

			    if(params.gid) {
			    	params.gid = parseint(params.gid, 10);
			    }

			    return params;
			};

			var openphotoswipe = function(index, galleryelement, disableanimation, fromurl) {
			    var pswpelement = document.queryselectorall('.pswp')[0],
			        gallery,
			        options,
			        items;

				items = parsethumbnailelements(galleryelement);

			    // define options (if needed)
			    options = {

			        galleryuid: galleryelement.getattribute('data-pswp-uid'),

			        getthumbboundsfn: function(index) {
			            // see options->getthumbboundsfn section of docs for more info
			            var thumbnail = items[index].el.children[0],
			                pageyscroll = window.pageyoffset || document.documentelement.scrolltop,
			                rect = thumbnail.getboundingclientrect(); 

			            return {x:rect.left, y:rect.top + pageyscroll, w:rect.width};
			        },

			        addcaptionhtmlfn: function(item, captionel, isfake) {
						if(!item.title) {
							captionel.children[0].innertext = '';
							return false;
						}
						captionel.children[0].innerhtml = item.title ;
						return true;
			        }
					
			    };


			    if(fromurl) {
			    	if(options.gallerypids) {
			    		for(var j = 0; j < items.length; j++) {
			    			if(items[j].pid == index) {
			    				options.index = j;
			    				break;
			    			}
			    		}
				    } else {
				    	options.index = parseint(index, 10) - 1;
				    }
			    } else {
			    	options.index = parseint(index, 10);
			    }

			    // exit if index not found
			    if( isnan(options.index) ) {
			    	return;
			    }

				var radios = document.getelementsbyname('gallery-style');
				for (var i = 0, length = radios.length; i < length; i++) {
				    if (radios[i].checked) {
				        if(radios[i].id == 'radio-all-controls') {

				        } else if(radios[i].id == 'radio-minimal-black') {
				        	options.mainclass = 'pswp--minimal--dark';
					        options.barssize = {top:0,bottom:0};
							options.captionel = false;
							options.fullscreenel = false;
							options.shareel = false;
							options.bgopacity = 0.85;
							options.taptoclose = true;
							options.taptotogglecontrols = false;
				        }
				        break;
				    }
				}

			    if(disableanimation) {
			        options.showanimationduration = 0;
			    }

			    // pass data to photoswipe and initialize it
			    gallery = new photoswipe( pswpelement, photoswipeui_default, items, options);


			    gallery.init();
			};
			// select all gallery elements
			var galleryelements = document.queryselectorall( galleryselector );
			for(var i = 0, l = galleryelements.length; i < l; i++) {
				galleryelements[i].setattribute('data-pswp-uid', i+1);
				galleryelements[i].onclick = onthumbnailsclick;
			}
			// parse url and open gallery if it contains #&pid=3&gid=1
			var hashdata = photoswipeparsehash();
			if(hashdata.pid && hashdata.gid) {
				openphotoswipe( hashdata.pid,  galleryelements[ hashdata.gid - 1 ], true, true );
			}
		};