.tail-top{ position: absolute; top:0px; left: 0px; width: 100%; height: 100%; background:url(images/bg1.gif) top repeat-x}

.col-1, .col-2, .col-3, .col-4{ float:left}
/*======= width =======*/
.main{margin:0 auto; text-align:left; width:960px; }

/*======= header =======*/
#header {height:190px;  background:url(images/top.gif) top center no-repeat}

#content .bg{ background:url(images/tail.gif) repeat-y 479px top; height:537px; position:relative }

/*======= footer =======*/
#footer { height:73px; }