#btn_aboutus a
{
	width: 142px;
	height: 31px;
	background: url(../images/btn_aboutus.gif) top no-repeat;
	float: right;	
	position: relative;
	text-decoration: none;
}
#btn_aboutus a:hover
{
	background: url(../images/btn_aboutus.gif) bottom no-repeat;
}
#btn_whatwedo a
{
	width: 142px;
	height: 31px;
	background: url(../images/btn_whatwedo.gif) top no-repeat;
	float: right;	
	position: relative;
	text-decoration: none;
}
#btn_whatwedo a:hover
{
	background: url(../images/btn_whatwedo.gif) bottom no-repeat;
}
#btn_donations a
{
	width: 142px;
	height: 31px;
	background: url(../images/btn_donation.gif) top no-repeat;
	float: right;	
	position: relative;
	text-decoration: none;
}
#btn_donations a:hover
{
	background: url(../images/btn_donation.gif) bottom no-repeat;
}
#btn_contactus a
{
	width: 142px;
	height: 31px;
	background: url(../images/btn_contactus.gif) top no-repeat;
	float: right;	
	position: relative;
	text-decoration: none;
}
#btn_contactus a:hover
{
	background: url(../images/btn_contactus.gif) bottom no-repeat;
}