window.onload = function()
{
	if(document.getElementById('nav'))
	{
		navBot = document.createElement('div');
		navBot.className = 'bottom';
		document.getElementById('nav').appendChild(navBot);
	}
	myEntries = getElementsByClassName('div', 'entry');
	for(i=0; i<myEntries.length; i++)
	{
		myNum = Math.floor(Math.random()*3)+1;
		myEntries[i].className = 'entry top'+myNum;
	}
	
	myFooters = getElementsByClassName('h5', 'footer');
	for(i=0; i<myFooters.length; i++)
	{
		myNum = Math.floor(Math.random()*3)+1;
		myFooters[i].className = 'footer bot'+myNum;
	}
}
function changeMenu(vImg)
{
	menuImg = document.getElementById('menu');
	menuImg.src = './images/menu_'+vImg+'.jpg';
}
function resetMenu()
{
	menuImg = document.getElementById('menu');
	menuImg.src = './images/menu.jpg';
}

function getElementsByClassName(vTag, vClass)
{
	vTemp = document.getElementsByTagName(vTag);
	vMyElems = new Array();
	for(tagI = 0; tagI < vTemp.length; tagI++)
	{
		if(vTemp[tagI].className.match(vClass))
		{
			vMyElems.push(vTemp[tagI]);
		}
	}
	return vMyElems;
}