.searchbg
{
background:url(http://www.adventurejourney.net/images/searchbg-off.jpg) no-repeat;
width:120px;
height:32px;
display:block;
border: 0;
}

.search_field
{
float:left; 
border:0;
padding:8px;
width:120px;
height:32px;
background-color:transparent;
}

.search_field:focus + .searchbg
{
background:url(http://www.adventurejourney.net/images/searchbg-on.jpg) no-repeat;
}

.searchbgIE
{
background:url(http://www.adventurejourney.net/images/searchbg-off.jpg) no-repeat;
width:120px;
height:32px;
display:block;
border:0;
}

.search
{
position:relative;
height:32px;
padding:0;
margin: 0px 0px 0px 0px; /* change this to position how you like */
}