var t =null;var m = 0;var f ;function domove(){	var a = document.getElementById("content123");	var v = (parseInt(a.style.left));	v = v + (f==true?20:-20);	if(f==true && v >= m)	{		a.style.left = m+"px";		clearTimeout(t);	}	else if(f==false && v <= m)	{		a.style.left = m+"px";		clearTimeout(t);	}	else	a.style.left = v +"px";		}function timer(m1){	m = m1 ;	t = setInterval("domove()",200);}function left(){	f = false;	timer(m-316);}function right(){	f =true;	timer(m+316);}