// JavaScript Document
function showEl(el)
{
	el.style.display = el.style.display == 'block' ? 'none' : 'block';
}


function addLoadEvent(func)
{
	var oldonload = window.onload;
	if (typeof window.onload != 'function')
	{
		window.onload = func;
	}
	else
	{
		window.onload = function()
		{
			if (oldonload)
			{
				oldonload();
			}
		func();
		}
	}
}