.tail-top{ background:url(images/bg.gif) repeat-x top #24313a}
.tail-bottom{background:url(images/bot.gif) repeat-x  bottom }

.right_bgd { position:absolute; top:0; right:0; width:50%; height:624px; background:url(images/tall_top_right.gif) left top repeat-x;}

.col-1, .col-2, .col-3, .col-4, .content, .menu{ float:left}
/*======= width =======*/
.main{margin:0 auto; text-align:left; width:900px; position:relative }

.content{ width:515px}
.menu{ width:354px; background:url(images/bg_menu.jpg) no-repeat top; height:553px}

/*======= header =======*/
#header {height:71px;  background:url(images/top.gif) no-repeat top center}

/*======= index-1.html =======*/
#page2 #content .col-1{ width:229px; margin-right:55px}
#page2 #content .col-2{ width:170px}
#page2 #content .col-3{ width:94px; margin-right:35px}
#page2 #content .col-4{ width:100px}
#page2 #content .bg{ background:url(images/tail1.gif) repeat-y 110px top } 
/*======= index-6.html =======*/
#page4 #content .col-1{ width:234px}
#page4 #content .col-2{ width:214px}

/*======= footer =======*/
#footer { height:166px; }