#first_frame {
position: absolute;  
width: 550px;
height: 400px; 
left: 10px; 
top: 10px; 
overflow: hidden; 
background: #ffffff; 
border: 0px solid #000000; 
		
	
}

#second_frame {
position: absolute;  
width: 400px;
height: 400px; 
left: 560px; 
top: 10px; 
overflow: hidden; 
background: #ffffff; 
border: 0px solid #000000; 
font-family: sans-serif; 
		
	
}

#window {
font-family: sans-serif;  
	
}