/*
	Image Cross Fade Redux
	Version 1.0
	Last revision: 02.15.2006
	steve@slayeroffice.com

	Rewrite of old code found here: http://slayeroffice.com/code/imageCrossFade/index.html
*/

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

var d=document, imgsMaster = new Array(), currentMaster=0;

function so_init_Master()
{
	if(!d.getElementById || !d.createElement)return;
    
    if(d.getElementById('ctl00_rotatorMaster') != null) {
	    imgsMaster = d.getElementById('ctl00_rotatorMaster').getElementsByTagName('img');
	    for(i=1;i<imgsMaster.length;i++) imgsMaster[i].xOpacity = 0;
	    if(imgsMaster.length > 0) {
	        imgsMaster[0].style.display = 'block';
	        imgsMaster[0].xOpacity = .99;
            ID=setTimeout(so_xfade_master,3000);
      }
    }
}

function so_xfade_master()
{
	cOpacity = imgsMaster[currentMaster].xOpacity;
	nIndex = imgsMaster[currentMaster+1]?currentMaster+1:0;
	nOpacity = imgsMaster[nIndex].xOpacity;

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

	imgsMaster[nIndex].style.display = 'block';
	imgsMaster[currentMaster].xOpacity = cOpacity;
	imgsMaster[nIndex].xOpacity = nOpacity;

	setOpacity(imgsMaster[currentMaster]);
	setOpacity(imgsMaster[nIndex]);

	if(cOpacity<=0)
	{
		imgsMaster[currentMaster].style.display = 'none';
		currentMaster = nIndex;
	}
	else
	{
		    ID=setTimeout(so_xfade_master,300)
	}

	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) + ')';
	}
}