Umbruch bei divs verhindern

[T-Rex]

.bigboss  
{  
   min-width: 1000px; /* oder was du willst */  
}  

<div class='bigboss'>  
   <div id="myDiv" style="width:94%">  
      <div id="myInnerDiv"></div>  
   </div>  
   <div id="myDiv"></div>  
   <div id="myDiv"></div>  
</div>  

Gruß
Big Boss
T-Rex