function init_clearspan() {
	if (typeof document.addEventListener != 'function') 
	{ 
		var body_tag = document.getElementById("tagBody");
		if(body_tag.className.match("t_4")) 
		{
			var zone2 = document.getElementById("zone2"); 
			zone2.nextSibling.style.display = "none";
			zone2.nextSibling.style.clear = "none";
		}
	}
}

function addListener(element, type, expression, bubbling)
{
	bubbling = bubbling || false;
	
	if(window.addEventListener)	{ // Standard
		element.addEventListener(type, expression, bubbling);
		return true;
	} else if(window.attachEvent) { // IE
		element.attachEvent('on' + type, expression);
		return true;
	} else return false;
}
function removeListener(element, type, expression, bubbling)
{
	bubbling = bubbling || false;
	
	if(window.addEventListener)	{ // Standard
		element.removeEventListener(type, expression);
		return true;
	} else if(window.attachEvent) { // IE
		element.detachEvent('on' + type, expression);
		return true;
	} else return false;
}

addListener(window, 'load', init_clearspan)