var cnt=0; var elm=1; var roll=0;
var p=[100,300,400];
	
document.getElementById("fi1").className="img2";	
	
function setop(id, val){ 
	var targetobject=document.getElementById("ft"+id);
	if (targetobject.filters && targetobject.filters[0]){ //IE syntax
		if (typeof targetobject.filters[0].opacity=="number") //IE6
			targetobject.filters[0].opacity=val
		else //IE 5.5
			targetobject.style.filter="alpha(opacity="+val+")"
	}
	else if (typeof targetobject.style.MozOpacity!="undefined") //Old Mozilla syntax
		targetobject.style.MozOpacity=val/100;
	else if (typeof targetobject.style.opacity!="undefined") //Standard opacity syntax
		targetobject.style.opacity=val/100;
}	
	
function ft(){
		
	if(roll!=0){
		document.getElementById("ft"+elm).style.display="none";
		document.getElementById("ft"+roll).style.display="block";
		document.getElementById("fi"+elm).className="img1";
		document.getElementById("fi"+roll).className="img2";
		setop(roll,100); cnt=p[1]; elm=roll; roll=0;
	}else{
		
		if( cnt<=p[0] ) setop(elm,cnt);	
		if( cnt>=p[1] )	setop(elm,p[2]-cnt);
		
		if( cnt==p[2] ){
			cnt=0;
			document.getElementById("ft"+elm).style.display="none";
			document.getElementById("fi"+elm).className="img1";
				elm<6 ? elm++ : elm=1 ;
			setop(elm,cnt);
			document.getElementById("ft"+elm).style.display="block";
			document.getElementById("fi"+elm).className="img2";
		}
		
		cnt+=5;
		setTimeout("ft()",100);
	}
}
	
ft();