var rev = "fwd"; function titlebar(val) { var msg = "To the ∞ and + there♥"; var res = "F "; var speed = 100; var pos = val; msg = "To the ∞ and + there♥"; var le = msg.length; if(rev == "fwd"){ if(pos < le){ pos = pos+1; scroll = msg.substr(0,pos); document.title = scroll; timer = window.setTimeout("titlebar("+pos+")",speed); } else{ rev = "bwd"; timer = window.setTimeout("titlebar("+pos+")",speed); } } else{ if(pos > 0){ pos = pos-1; var ale = le-pos; scrol = msg.substr(ale,le); document.title = scrol; timer = window.setTimeout("titlebar("+pos+")",speed); } else{ rev = "fwd"; timer = window.setTimeout("titlebar("+pos+")",speed); } } } titlebar(0);