window.addEventListener?window.addEventListener('load',so_init,false):window.attachEvent('onload',so_init);

var d=document, imgs = new Array(), zInterval = null, current=0, pause=false;

function so_init()
{
	
	// test to see if the general css stylesheet is in effect (essentially testing if this is a graphical css interpreting browser)	
	if ($$('body').getStyle('text-align')!='center') {
		return false;
	}
	
	if(!d.getElementById || !d.createElement)return;
	if(!d.getElementById('quotes'))return;
	so_init2();
}

function so_init2()
{
	imgs = d.getElementById('quotes').getElementsByTagName('div');
	if (imgs.length >= 1)
	{
		for(i=1;i<imgs.length;i++) imgs[i].xOpacity = 0;
		imgs[0].style.display = 'block';
		imgs[0].xOpacity = .99;
		setTimeout(so_xfade,8000);
	}
		
}


function so_xfade()
{
	cOpacity = imgs[current].xOpacity;
	nIndex = imgs[current+1]?current+1:0;
	nOpacity = imgs[nIndex].xOpacity;

	cOpacity-=.05;
	nOpacity+=.05;

	imgs[nIndex].style.display = 'block';
	imgs[current].xOpacity = cOpacity;
	imgs[nIndex].xOpacity = nOpacity;

	setOpacity(imgs[current]);
	setOpacity(imgs[nIndex]);

	if(cOpacity<=0)
	{
		imgs[current].style.display = 'none';
		current = nIndex;
		setTimeout(so_xfade,8000);
	}
	else
	{
		setTimeout(so_xfade,50);
	}

	function setOpacity(obj)
	{
		if(obj.xOpacity>.99)
		{
			obj.xOpacity = .99;
			return;
		}

		obj.style.opacity = obj.xOpacity;
		obj.style.MozOpacity = obj.xOpacity;
		obj.style.filter = 'alpha(opacity=' + (obj.xOpacity*100) + ')';
	}
}