图片路径有效化

public/stylesheets/css/courses.css

@@ -499,13 +499,13 @@ a.pro_mes_w{ height:20px; display:block; color:#999999;}
 .link_file_box{ width:360px;}
 
 /*课程大纲图标样式20151028Tim*/
-.syllabusIcon {background:url("../images/course/syllabus.png") 0px 0px no-repeat; width: 17px; height: 16px; display: inline-block;}
-.syllabusSetting {background:url("../images/course/syllabus.png") 0px -16px no-repeat; width: 20px; height: 16px; display: inline-block;}
+.syllabusIcon {background:url("/images/course/syllabus.png") 0px 0px no-repeat; width: 17px; height: 16px; display: inline-block;}
+.syllabusSetting {background:url("/images/course/syllabus.png") 0px -16px no-repeat; width: 20px; height: 16px; display: inline-block;}
 
-.syllabusSettingIcon {background:url(../images/course/syllabus_setting.png) 0px 0px no-repeat; width:20px; height:20px;}
+.syllabusSettingIcon {background:url(/images/course/syllabus_setting.png) 0px 0px no-repeat; width:20px; height:20px;}
 .syllabusSettingIcon:hover {cursor: pointer}
 
-.pic_files{display:block; background:url(../images/public_icon.png) 0px -578px no-repeat; width:20px; height:15px;}
+.pic_files{display:block; background:url(/images/public_icon.png) 0px -578px no-repeat; width:20px; height:15px;}
 
 /*确定按钮*/
 input.sendSourceText {
@@ -540,8 +540,8 @@ a:hover.testEdit{ background:url(images/icons.png) -21px -272px  no-repeat;}
 .fillInput {border:1px solid #cbcbcb; padding-left:5px; background-color:#ffffff; width:693px; height:30px; color:#888888;}
 .ur_button_submit{ display:block; width:106px; height:31px; margin:0 auto; background:#15bccf; color:#fff; font-size:16px; text-align:center; padding-top:4px; margin-bottom:10px; }
 /*20151123课程排行榜Tim*/
-.courseMenuSetting {background:url(../images/homepage_icon2.png) -190px -365px no-repeat; width:15px; height:15px; margin-top:3px; float:right; margin-right:5px;}
-.courseMenuSetting:hover {background:url(../images/homepage_icon2.png) -190px -407px no-repeat;}
+.courseMenuSetting {background:url(/images/homepage_icon2.png) -190px -365px no-repeat; width:15px; height:15px; margin-top:3px; float:right; margin-right:5px;}
+.courseMenuSetting:hover {background:url(/images/homepage_icon2.png) -190px -407px no-repeat;}
 .rankList {width:220px; padding:10px; background-color:#ffffff; margin-top:10px;}
 .rankList li {width:73px; padding:8px 0px 0px 0px; text-align:center; float:left; position:relative;}
 .rankList li p {width:100%; overflow:hidden; white-space:nowrap; text-overflow:ellipsis; color:#585858;word-wrap: normal; word-break: normal;}