var i=0;
var j=0;
function alpha(obj){
	eval(obj+"Block.filters.blendTrans.apply()");
	if(obj=="sale"){
		showText("saleBlock",sale[i]);
		i+=1;
		if(i>sale.length-1) i=0;
	}else{
		showText("buyBlock",buy[j]);
		j+=1;
		if(j>buy.length-1) j=0;
	}
	eval(obj+"Block.filters.blendTrans.play()");
	setTimeout("alpha('"+obj+"')",5000);
}
function showText(layer,text){
	var type="all";
	var name="['"+layer+"']";
	if(!(document.all)?true:false){
		type="getElementById";
		name="('"+layer+"')";
	}
	eval("document."+type+name+".innerHTML='"+text+"'");
}