html

//html
<div class="header">
    <div class="left"><img id ="ttl" src="http://images.google.com/intl/en_ALL/images/logos/images_logo_lg.gif"></div>
    <div class="right"><img id ="se" src="http://images.google.com/intl/en_ALL/images/logos/images_logo_lg.gif"><div>
</div>

//css
.left{
  float:left;
}
.right{
    float:right;
}