div.button_gray{
height: 50px;
}
div.button_gray div.l{
background: url(../images/buttons/gray/l.png) no-repeat left top;
height: 50px;
}
div.button_gray div.r{
background: url(../images/buttons/gray/r.png) no-repeat right top;
height: 50px;
}
div.button_gray div.m{
margin: 0px 6px 0px 6px;/*t, r, b, l*/
background: url(../images/buttons/gray/m.png) repeat-x left top;
height: 50px;
}

div.button_gray_border{
height: 50px;
}
div.button_gray_border div.l{
background: url(../images/buttons/grayborder/l.png) no-repeat left top;
height: 50px;
}
div.button_gray_border div.r{
background: url(../images/buttons/grayborder/r.png) no-repeat right top;
height: 50px;
}
div.button_gray_border div.m{
margin: 0px 6px 0px 6px;/*t, r, b, l*/
background: url(../images/buttons/grayborder/m.png) repeat-x left top;
height: 50px;
}

div.button_gray_grad{
height: 53px;
}
div.button_gray_grad div.l{
background: url(../images/buttons/graygrad/l.png) no-repeat left top;
height: 53px;
}
div.button_gray_grad div.r{
background: url(../images/buttons/graygrad/r.png) no-repeat right top;
height: 53px;
}
div.button_gray_grad div.m{
margin: 0px 12px 0px 12px;/*t, r, b, l*/
background: url(../images/buttons/graygrad/m.png) repeat-x left top;
height: 53px;
}

div.button_gray_grad_shadow{
height: 53px;
}
div.button_gray_grad_shadow div.l{
background: url(../images/buttons/graygrad_sh/l.png) no-repeat left top;
height: 53px;
}
div.button_gray_grad_shadow div.r{
background: url(../images/buttons/graygrad_sh/r.png) no-repeat right top;
height: 53px;
}
div.button_gray_grad_shadow div.m{
margin: 0px 12px 0px 12px;/*t, r, b, l*/
background: url(../images/buttons/graygrad_sh/m.png) repeat-x left top;
height: 53px;
}