window.addEventListener?window.addEventListener("load",so_init,false):window.attachEvent("onload",so_init);

var d=document, imgs = new Array(), imgs2 = new Array(), zInterval = null, current=0, current2=0, pause=false;

function so_init() {
	if(!d.getElementById || !d.createElement)return;

	imgs = d.getElementById("top_sx").getElementsByTagName("img");
	imgs2 = d.getElementById("menu_sx").getElementsByTagName("img");	
	for(i=1;i<imgs.length;i++) imgs[i].xOpacity = 0;
	for(i=1;i<imgs2.length;i++) imgs2[i].xOpacity = 0;	
	imgs[0].style.display = "block";
	imgs[0].xOpacity = .99;
	imgs2[0].style.display = "block";
	imgs2[0].xOpacity = .99;
	setTimeout(so_xfade,3000);
}

function so_xfade() {
	cOpacity = imgs[current].xOpacity;
	nIndex = imgs[current+1]?current+1:0;
	cOpacity2 = imgs2[current2].xOpacity;
	nIndex2 = imgs2[current2+1]?current2+1:0;
	

	nOpacity = imgs[nIndex].xOpacity;
	nOpacity2 = imgs2[nIndex].xOpacity;
	
	
	cOpacity-=.05; 
	nOpacity+=.05;
	cOpacity2-=.05; 
	nOpacity2+=.05;
	
	
	imgs[nIndex].style.display = "block";
	imgs[current].xOpacity = cOpacity;
	imgs[nIndex].xOpacity = nOpacity;
	imgs2[nIndex2].style.display = "block";
	imgs2[current2].xOpacity = cOpacity2;
	imgs2[nIndex2].xOpacity = nOpacity2;
	
	
	setOpacity(imgs[current]); 
	setOpacity(imgs[nIndex]);
	setOpacity(imgs2[current]); 
	setOpacity(imgs2[nIndex]);
	
	
	if(cOpacity<=0) {
		imgs[current].style.display = "none";
		imgs2[current2].style.display = "none";		
		current = nIndex;
		current2 = nIndex2;		
		setTimeout(so_xfade,3000);
	} 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) + ")";
	}
	
}
