function sh_ph(a,p,l,t){
if(a+p+l=="")return
if(a!="")document.write('('+a+') ')
document.write(p+'-'+l+' '+t)
}

function sh_prc1(p1){
if(p1!="")document.write('$'+parseFloat(p1).toFixed(2))
}

function sh_prc2(p1,p2){
if(p1+p2=="")return
if(p1==""){document.write('Max $'+parseFloat(p2).toFixed(2));return}
if(p2==""){document.write('Min $'+parseFloat(p1).toFixed(2));return}
if(p1==p2){document.write('$'+parseFloat(p2).toFixed(2));return}
document.write('From $'+parseFloat(p1).toFixed(2)+' to $'+parseFloat(p2).toFixed(2))
}