var hov = 0;
var identi = 's';
var ido = 17;
var identi2 = 't';
var some = 0;
var ii = 0;
var opa1 = 0;
var opa2 = 0;
var milis = 1000;
     function opacity(id, opacStart, opacEnd, millisec) {
         //speed for each frame
         var speed = Math.round(millisec / 100);
         var timer = 0;
	
         //determine the direction for the blending, if start and end are the same nothing happens
         if(opacStart > opacEnd) {
             for(i = opacStart; i >= opacEnd; i--) {
                 setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
                 timer++;
             }
         } else if(opacStart < opacEnd) {
             for(i = opacStart; i <= opacEnd; i++)
                 {
                 setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
                 timer++;
             }
         }
     }
    
     //change the opacity for different browsers
     function changeOpac(opacity, id) {
         var object = document.getElementById(id).style;
         object.opacity = (opacity / 100);
         object.MozOpacity = (opacity / 100);
         object.KhtmlOpacity = (opacity / 100);
         object.filter = "alpha(opacity=" + opacity + ")";
     }
    
     function shiftOpacity(millisec) {

if(ido > 18) { ido = 0;}
         if(ido == 0){ identi = 'b'; identi2='c'; milis=1000;}
	else{ if(ido == 1){ identi = 'c'; identi2='d'; milis=1000;}
	else{ if(ido == 2){ identi = 'd'; identi2='e'; milis=666;}
	else{ if(ido == 3){ identi = 'e'; identi2='f'; milis=666;}
	else{ if(ido == 4){ identi = 'f'; identi2='g'; milis=333;}
	else{ if(ido == 5){ identi = 'g'; identi2='h'; milis=666;}
	else{ if(ido == 6){ identi = 'h'; identi2='i'; milis=444;}
	else{ if(ido == 7){ identi = 'i'; identi2='j'; milis=444;}
	else{ if(ido == 8){ identi = 'j'; identi2='k'; milis=444;}
	else{ if(ido == 9){ identi = 'k'; identi2='l'; milis=666;}
	else{ if(ido == 10){ identi = 'l'; identi2='m'; milis=333;}
	else{ if(ido == 11){ identi = 'm'; identi2='n'; milis=666;}
	else{ if(ido == 12){ identi = 'n'; identi2='o'; milis=666;}
	else{ if(ido == 13){ identi = 'o'; identi2='p'; milis=333;}
	else{ if(ido == 14){ identi = 'p'; identi2='q'; milis=333;}
	else{ if(ido == 15){ identi = 'q'; identi2='r'; milis=1000;}
	else{ if(ido == 16){ identi = 'r'; identi2='s'; milis=1000;}
	else{ if(ido == 17){ identi = 's'; identi2='t'; milis=1000;}
	else{ if(ido == 18){ identi = 't'; identi2='b'; milis=1000;}}}}}}}}}}}}}}}}}}}
         if(document.getElementById(identi).style.opacity == 0) {
           opacity(identi, 0, 99, millisec);

opacity(identi2, 99, 0, millisec);

         } else {
             opacity(identi, 99, 0, millisec);
opacity(identi2, 0, 99, millisec);
ido +=1;
         }
hov = setTimeout("shiftOpacity(300)",milis);

     }
function restarto(){ ido=17;

	hov = setTimeout("shiftOpacity(300)",milis);
}
function stoppy(){ clearTimeout(hov);

	onmovepls();
}

function onmovepls(){
opa1=document.getElementById(identi).style.opacity;
opa2=document.getElementById(identi2).style.opacity;

if(opa1==0||opa1==1||opa2==0||opa2==1){ if(some==1){ clearTimeout(ii); some=0;}
document.getElementById(identi).style.opacity=0;
document.getElementById(identi2).style.opacity=0;

} else{ ii=setTimeout("onmovepls()",100); some= 1;
}

}