503961-1.xhtml (600B)
1 <html xmlns="http://www.w3.org/1999/xhtml"> 2 <head> 3 <style type="text/css"> 4 #colset { column-count: 3; } 5 #a { height: 0px; } 6 #b { height: 2px; } 7 #c { height: 1px; } 8 #d { height: 2px; } 9 #e { height: 2px; } 10 </style> 11 <script type="text/javascript"> 12 function boom() 13 { 14 document.getElementById("a").style.height = "auto"; 15 document.getElementById("d").style.height = "auto"; 16 } 17 </script> 18 </head> 19 <body onload="boom();" 20 ><div id="colset" 21 ><div id="a"><div id="b"/></div 22 ><div id="c"><div id="d"/><div id="e"/></div 23 ></div 24 ></body> 25 </html>