首页js

+var Length = document.documentElement.clientWidth;
+var baseWidth = Length <= 1024 ? Length : 1024 < Length ? 750 : '';
+document.documentElement.style.fontSize = baseWidth / 750 * 100 + 'px';
+
+
+Date.prototype.Format = function (fmt) { //author: meizz
+    var o = {
+        "M+": this.getMonth() + 1, //月份
+        "d+": this.getDate(), //日
+        "h+": this.getHours(), //小时
+        "m+": this.getMinutes(), //分
+        "s+": this.getSeconds(), //秒
+        "q+": Math.floor((this.getMonth() + 3) / 3), //季度
+        "S": this.getMilliseconds() //毫秒
+    };
+    if (/(y+)/.test(fmt)) fmt = fmt.replace(RegExp.$1, (this.getFullYear() + "").substr(4 - RegExp.$1.length));
+    for (var k in o)
+        if (new RegExp("(" + k + ")").test(fmt)) fmt = fmt.replace(RegExp.$1, (RegExp.$1.length == 1) ? (o[k]) : (("00" + o[k]).substr(("" + o[k]).length)));
+    return fmt;
+}
+
+//回退
+window.onload  =  function(){
+    var $back = document.getElementsByClassName('back')[0];
+    if($back){
+        $back.onclick=function(){
+            window.history.back()
+        }
+    }
+
+}
+
+// function ajaxFun(url,data) {
+//
+// }