var castsTimeout;

function hide(elem) {
	var item = document.getElementById(elem);
	if (item) {
		item.style.display = 'none';
	}
}
function show(elem) {
	var item = document.getElementById(elem);
	if (item) {
		item.style.display = '';
	}
}
function selecttab(tab) {
	var tabs = tab.parentNode.parentNode.childNodes;
	for (var i = 0; i < tabs.length; i++) {
		if (tabs[i].tagName == "LI") {
			tabs[i].className = "";
		}
	}
	tab.parentNode.className = "selected";
}
function tryAgain(listdiv) {
	if (typeof(Skypecasts) != "undefined") {
		displaySkypecasts(listdiv);
	}
}
function isEven(value){
	if (value%2 == 0) {
		return true;
	} else {
		return false;
	}
}

function killElement(scriptId) {
	var e = document.getElementById(scriptId);	
	if (e) {
		document.body.removeChild(e);
	}
}

function loadScript(url,scriptId) {
	var e = document.createElement("script");
	e.setAttribute("src", url);
	e.setAttribute("id", scriptId);
	e.type="text/javascript";
	var elementOlemas = document.body.appendChild(e);
	if (elementOlemas) {
		return true;
	} else {
		return false;
	}
}