/* THREE COLUMN LIQUID CENTER LAYOUT */

body {font: .8em verdana, arial, sans-serif;}
* {margin:0; padding:0;}
div#main_wrapper {min-width:760px; max-width:880px;  margin-left:auto; margin-right:auto;} /* centers layout when > max width */
div#header {
	width:auto;
	}
#threecolwrap {
  float:left;
  width:100%;
  /** background:url(../../../chapter_5/code/images/3_col_faux_art_right.gif) repeat-y right; **/
  }
#twocolwrap {
 	float:left;
	width:100%;
	display:inline; /* stops IE doubling  margin on float*/
	margin-right:-170px; /* CWS - neg margin move */
	/** background: url(../../../chapter_5/code/images/3_col_faux_art_left.gif) repeat-y left; **/
  }
 #nav {
 	float:left;
 	width:150px;
	display:inline; /* stops IE doubling  margin on float*/
 	}
#content {
 	width:auto;
 	margin-left:150px;
 	margin-right:170px;
	padding-top:10px;
 	}
#navext {
 	float:left;
 	width:170px; 
	}
#footer {
 	width:100%;
 	clear:both; 
 	}
/* end of structural styles */ 

/* inner div margin */
#header_inner, #nav_inner, #content_inner, #navext_inner {
	overflow:hidden; /* prevents oversize elements from breaking the layout */
	}
#header_inner {
	padding:1em 2em;
	}
#nav_inner, #navext_inner {
	padding:.5em .5em 1em 1em;
	}
#content_inner {
	padding:0 1em 1em 1.5em;
	}
#footer_inner {
	padding:.5em 5em;
	text-align:center;
	}
/* end inner div margins */