var tcnetwork_down_preload = new Image();
tcnetwork_down_preload.src = 'images/tcnetwork_down.png';

var tcnetwork_status = 'off';

function $(element_id)
{
	return document.getElementById(element_id);
}

function stopPropagation(event)
{
	if(!event)
		var event = window.event;

	if(event.stopPropagation) 
		event.stopPropagation();
	else if(window.event.cancelBubble == false) 
		window.event.cancelBubble = true;
}

function tcnetwork()
{
	var tcnetwork_dropdown = $('tcnetwork_dropdown');
	var tcnetwork_top = $('tcnetwork_top');
	
	if(tcnetwork_status == 'off')
	{
		tcnetwork_dropdown.style.display = 'block';
		tcnetwork_top.className = 'tcnetwork_top_on';
		tcnetwork_status = 'on';
		document.body.addEventListener('click',tcnetwork,false);
	}
	else
	{
		tcnetwork_dropdown.style.display = 'none';
		tcnetwork_top.className = '';
		tcnetwork_status = 'off';
		document.body.removeEventListener('click',tcnetwork,false);
	}
}

var subscribe_email_default = 'Enter your email';

function subscribeEmailInput(thisfield,action) 
{
	if(action == 'focus' && thisfield.value == subscribe_email_default) 
	{
		thisfield.value = '';
	}
	else if(action == 'blur' && thisfield.value == '') 
	{
		thisfield.value = subscribe_email_default;
	}
}