function dround(id){
	o=document.getElementById(id) 
	if (o != null ){ 
			txt = o.innerHTML
			txt1='<span class=round-top><span class=r1></span><span class=r2></span><span class=r3></span><span class=r4></span></span>'
			txt2='<span class=round-bottom><span class=r4></span><span class=r3></span><span class=r2></span><span class=r1></span></span>'
			o.innerHTML=txt1+txt+txt2
	}
}