function getWindowHeight() {
	var windowHeight = 0;
	if (typeof(window.innerHeight) == 'number') {
		windowHeight = window.innerHeight;
	}
	else {
		if (document.documentElement && document.documentElement.clientHeight) {
			windowHeight = document.documentElement.clientHeight;
		}
		else {
			if (document.body && document.body.clientHeight) {
				windowHeight = document.body.clientHeight;
			}
		}
	}
	return windowHeight;
}
function setFooter() {
	if (document.getElementById) {
		var windowHeight = getWindowHeight();
		if (windowHeight > 0) {
			var contentHeight = document.getElementById('mainContainer').offsetHeight;
			var footerElement = document.getElementById('footer');
			var footerHeight  = footerElement.offsetHeight;
			if (windowHeight - (contentHeight + footerHeight) >= 0) {
				footerElement.style.position = 'relative';
				footerElement.style.top = (windowHeight - (contentHeight + footerHeight)) + 'px';
			}
			else {
				footerElement.style.position = 'static';
			}
		}
	}
}
function AddToFavorite() {
    if ( document.all ) window.external.AddFavorite( window.top.location.href, 'Foris Telecom Ltd' );
    else alert("Press 'Ctrl + D'." );
}
function getDiv(name){
	var parent = document.getElementById(name);
	var div = document.getElementById('sub'+name);
	if(div.style.display == 'none') {
		parent.className = name+'On';
		div.style.display = 'block';
	} else {
	div.style.display = 'none';
	parent.className = name;
	}
}
window.onload = function() {
	setFooter();
}
window.onresize = function() {
	setFooter();
}