/*table*/
#tab_main{ width:950px; height:50px; float:left;}
#tab_main #col1{width:200px; height:50px; float:left; overflow:hidden; display:table-cell;}
#tab_main #co12{width:200px; height:50px; float:left; overflow:hidden; display:table-cell;}
#tab_main #co13{width:200px; height:50px; float:left; overflow:hidden; display:table-cell;}
#tab_main #co14{width:200px; height:50px; float:left; overflow:hidden; display:table-cell;}