//function sleep(s){var t1=new Date().getTime()+s;while(new Date().getTime()<t1);}
function sleep(s){if(s<=0) return;setTimeout('sleep('+(s-10)+')',10);}
function fade(i,o){i.style.opacity=i.style.MozOpacity=o/100;}
function fadeout(i){for(x=100;x>10;x-=10){fade(i,x);sleep(100);}}
function fadein(i){for(x=10;x<=100;x+=10){fade(i,x);sleep(100);}}