/* This function is needed in single country pages.
 * It sets display:none for divs which have empty values 
*/
/*
	Developed by Robert Nyman, http://www.robertnyman.com
	Code/licensing: http://code.google.com/p/getelementsbyclassname/
*/
var getElementsByClassName = function (className, tag, elm){
	if (document.getElementsByClassName) {
		getElementsByClassName = function (className, tag, elm) {
			elm = elm || document;
			var elements = elm.getElementsByClassName(className),
				nodeName = (tag)? new RegExp("\\b" + tag + "\\b", "i") : null,
				returnElements = [],
				current;
			for(var i=0, il=elements.length; i<il; i+=1){
				current = elements[i];
				if(!nodeName || nodeName.test(current.nodeName)) {
					returnElements.push(current);
				}
			}
			return returnElements;
		};
	}
	else if (document.evaluate) {
		getElementsByClassName = function (className, tag, elm) {
			tag = tag || "*";
			elm = elm || document;
			var classes = className.split(" "),
				classesToCheck = "",
				xhtmlNamespace = "http://www.w3.org/1999/xhtml",
				namespaceResolver = (document.documentElement.namespaceURI === xhtmlNamespace)? xhtmlNamespace : null,
				returnElements = [],
				elements,
				node;
			for(var j=0, jl=classes.length; j<jl; j+=1){
				classesToCheck += "[contains(concat(' ', @class, ' '), ' " + classes[j] + " ')]";
			}
			try	{
				elements = document.evaluate(".//" + tag + classesToCheck, elm, namespaceResolver, 0, null);
			}
			catch (e) {
				elements = document.evaluate(".//" + tag + classesToCheck, elm, null, 0, null);
			}
			while ((node = elements.iterateNext())) {
				returnElements.push(node);
			}
			return returnElements;
		};
	}
	else {
		getElementsByClassName = function (className, tag, elm) {
			tag = tag || "*";
			elm = elm || document;
			var classes = className.split(" "),
				classesToCheck = [],
				elements = (tag === "*" && elm.all)? elm.all : elm.getElementsByTagName(tag),
				current,
				returnElements = [],
				match;
			for(var k=0, kl=classes.length; k<kl; k+=1){
				classesToCheck.push(new RegExp("(^|\\s)" + classes[k] + "(\\s|$)"));
			}
			for(var l=0, ll=elements.length; l<ll; l+=1){
				current = elements[l];
				match = false;
				for(var m=0, ml=classesToCheck.length; m<ml; m+=1){
					match = classesToCheck[m].test(current.className);
					if (!match) {
						break;
					}
				}
				if (match) {
					returnElements.push(current);
				}
			}
			return returnElements;
		};
	}
	return getElementsByClassName(className, tag, elm);
};

function removeIfSpanEmpty() 
{ 
    // no DOM support? stop. 
    if(!document.getElementsByTagName) 
        return;
    if(!document.getElementById("SchedaRadio")) 
        return;
        var radiodiv = document.getElementById("SchedaRadio");
        var spans = radiodiv.getElementsByTagName('span'); 
        var span, i=0; 
        var anchors = radiodiv.getElementsByTagName('a'); 
        var anchor, k=0;
        while(span=spans[i++]) 
        {        
                // no innerHTML support? stop. 
                if(typeof span.innerHTML=='undefined') 
                break; 
                if(!span.innerHTML.replace(/^\s*|\s*$/g,'') ) 
                span.parentNode.style.display = 'none';
        } 
        while(anchor=anchors[k++]) 
        {        
                // no innerHTML support? stop. 
                if(typeof anchor.innerHTML=='undefined') 
                break; 
                if(!anchor.innerHTML.replace(/^\s*|\s*$/g,'') ) 
                anchor.parentNode.parentNode.style.display = 'none';
        } 
	var streamurls = getElementsByClassName("SchedaRadioStreamUrl");
	var streamurl, x=0;
	while(streamurl=streamurls[x++])
	{
		if(!streamurl.getAttribute('href',2))
	        streamurl.parentNode.parentNode.parentNode.style.visibility = 'hidden';

	}
	
}