function check_checkboxes_entries(content, id) {
	var length = getElementsByClassName('entry_'+id).length;
	var checked;
	if (content.checked == true) {		
		checked = true;
	} 
	else {
		checked = false;
	}
	for (var i = 0; i < length; i++) {
		getElementsByClassName('entry_'+id)[i].checked = checked;
	}
}
function check_checkboxes_list(content, id) {
	if (content.checked == false) {	
		document.getElementById('listing_'+id).checked = false;
	}
}


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);
};