var egg1_activated = false;

function egg1_activation(phase)
{	
	var impression = document.getElementById("impression");
	
	phase = phase + 0.1;
		
	if (phase > 1)
	{
		phase = 0;
		window.setTimeout('egg1_activation('+phase+')', 8000);	
	}
	else
	{
		window.setTimeout('egg1_activation('+phase+')', 50);	
	}
	
	impression.style.top = (269 - 10 * Math.sin(Math.PI * phase))+"px"; 	
}

function egg1_scroll_activation()
{
	if (egg1_activated) return;
		
	col = document.getElementById("right_column");
	
	if (col.scrollTop + col.clientHeight > col.scrollHeight - 20)
	{
		setTimeout('egg1_activation(0)',50);
		egg1_activated = true;
	}
	else if (!col.onscroll)
	{
		setTimeout('egg1_scroll_activation()',50);
	}	
}

function egg1_init()
{
	return;
	if (document.getElementById("right_column").onscroll)
	{
		document.getElementById("right_column").onscroll = egg1_scroll_activation;
	}
	else
	{
		setTimeout('egg1_scroll_activation()',50);
	}
}

window.onload = egg1_init;