/*---蓝色---*/
#bluebg {
	height:33px;
	background:url(LoginPicture/navbg.gif) repeat-x left center; 
}
#blue_dlbg {
	float:left;
	width:90%;
	height:165px;
	background:url(LoginPicture/dlbg.gif) repeat-x left center;
}