function getNextCollection(url,element){
	enableAnchors();
	document.getElementById(element).setAttribute("class", "link-highlight");
	document.getElementById(element).className = 'link-highlight';
	dojo.require("dojo.io.*");
	dojo.require("dojo.io.IframeIO");
	document.getElementById("collectionDataID").style.display ='none';
	document.getElementById("loading-container").style.display ='block';
	dojo.io.bind ({
		url: url,
		mimetype: "text/html",
		method: "GET",
		handler: getCollectionData,
		error: function(type, data, evt){
			alert("Holy Bomb Box, Batman!  An error occurred: " + data);
		},
		sync: false
	}); 
}

function getCollectionData(type, data, evt){
	if(type=="error") {
	
	}else{
		document.getElementById("loading-container").style.display ='none';
		document.getElementById("collectionDataID").style.display ='block';
		document.getElementById("collectionDataID").innerHTML = data;
	}
}

function loadListingsByMedium(url,element){
	getNextCollection(url,element);
}

function goArt(url){
	if(document.getElementById("loadedCollectionID").value !=''){
		url = url + "?collectionID="+ document.getElementById("loadedCollectionID").value;
	}else if (document.getElementById("loadedMedium").value !=''){
		url = url + "?mmedium="+ document.getElementById("loadedMedium").value;
	}
	window.location.href = url;
}

function enableAnchors(){
    var anchorsDiv = document.getElementById("side-links");
	var anchors = anchorsDiv.getElementsByTagName('a');
	for (var i=0, end=anchors.length; i<end; i++) {
	  anchors[i].setAttribute("class"," ");
      anchors[i].className = '';
    }
}