var work = 1;

function pop(entity) {
	if(entity) {
		var my_parent = entity.parentNode;
		var my_class = my_parent.className;
		my_parent.className = my_class.replace(/popper/,"popped");
	}
}
function unpop(entity) {
	if(entity) {
		var my_parent = entity.parentNode;
		var my_class = my_parent.className;
		my_parent.className = my_class.replace(/popped/,"popper");
	}
}

function siblings(entity){
	var r = [];
	for ( var n = entity.parentNode.firstChild; n; n = n.nextSibling ) 
		if ( n.nodeType == 1 && n != entity)
			r.push( n );		
	return r;
}

/* This activates an element and deactivates all it's siblings */
function activateElement(id) {
	var entity = document.getElementById(id);
	if(entity.className.indexOf("active") == -1) {
		entity.className = entity.className + " active";
	}
	var sibs = siblings(entity);

	for(var i=0; i < sibs.length; i++) {
		if(sibs[i].className.indexOf("active") != -1) {
			deactivateElement(sibs[i]);
		}
	}
}

function deactivateElement(entity) {
	if(entity.className.indexOf("active") != -1) {
		 entity.className = entity.className.replace(/[ ]*active/, '');
	}
}

function getCookie(name) {
	var name_c = window.location.hostname + '-' + name;

	if(document.cookie) {
		var cookies = document.cookie.split(/ *; */);
		for(var i=0; i < cookies.length; i++) {
			var current_c = cookies[i].split("=");
			if(current_c[0] == name_c) {
				return(current_c[1]);
				break;
			}
		}
	}
	return('');
}

function setCookie(name, value, expires, path) {
	name = window.location.hostname + '-' + name;

	var curCookie = name + "=" + value + 
		((expires) ? ";expires=" + expires.toGMTString() : "") + 
		((path) ? ";path=" + path : "");
	document.cookie = curCookie; 
}

function setDefLangCookie(entity) {
	setCookie('switchery', entity.options[entity.selectedIndex].value, '', '/');
}

function initSwitchery() {
	var divs = document.getElementsByTagName('div');
	for(i in divs) {
		if(typeof(divs[i].className) != 'undefined' && divs[i].className.indexOf("switchery") != -1) {
			var lang = getCookie('switchery');
			if(lang != '') {
				var entity = document.getElementById(divs[i].id + '-' + lang);
				if(entity) {
					entity.onclick();
					entity.parentNode.lastChild.value = lang;
				} else {
					divs[i].firstChild.firstChild.onclick();
				}
			} else {
				divs[i].firstChild.firstChild.onclick();
			}
		}
	}

}

function showhide(id) {
	if(work) {
		work = 0;
		var entity = document.getElementById(id);
		if(entity) {
			var my_class = entity.className;
			if(my_class.indexOf("hidden") != -1) {
				entity.className = my_class.replace(/hidden/,"visible");
			}
			else if(my_class.indexOf("visible") != -1) {
				entity.className = my_class.replace(/visible/,"hidden");
			}
		}
	}

	return false;
}

function hide(id) {
	if(work) {
		work = 0;
		var entity = document.getElementById(id);
		if(entity) {
			var my_class = entity.className;
			if(my_class.indexOf("visible") != -1) {
				entity.className = my_class.replace(/visible/,"hidden");
			}
		}
	} else {
		work=1;
	}
}

var preventReset = 0;

function dehighlightTarget(entity) {
	if(preventReset == 0 && entity) {
		var id = entity.href;
		if(id.indexOf("#") != -1) {
			id = id.substr(id.indexOf('#')+1);
		}
		var target = document.getElementById(id);
		if(target) {
			deactivateElement(target);
		}
		}
}

function highlightTarget(entity, norefresh) {
	if(entity) {
		var id = entity.href;
		if(id.indexOf("#") != -1) {
			id = id.substr(id.indexOf('#')+1);
		}
		activateElement(id);
		preventReset = 0;
	} 
	if(norefresh == 1) {
		preventReset=1;
	}
}