<style>
#head {
border:1px solid #000;
width:250px;
height:150px;
}
#neshto1 {
border:1px solid #F00;
float:left;
width:123px;
height:150px;
}
#neshto2 {
border:1px solid #0F0;
float:right;
width:123px;
height:150px;
}
</style>
<div id="head">
<div id="neshto1"></div>
<div id="neshto2"></div>
</div>