jquery Ajax Browsing Background features (1/2)

Intercepts the string required for the first occurrence in the passed-in string. The content between Fieldname+tag and Endtag

function GetQueryString (Url,fieldname,tag,endtag) {
var urlstring = Url;//document.location.href;
if (urlstring!= null) {
var typequ = Fieldname+tag;
var urlend = Urlstring.indexof (typequ);
if (urlend!=-1) {
var paramsurl = urlstring.substring (urlend+typequ.length);
var isend = Paramsurl.indexof (Endtag);
if (isend!=-1) {return paramsurl.substring (0, isend);}
Else{return Paramsurl;}
}
else {return null;}
}
Else{return null;}
}
Set the default page
function Setdefaultpage () {
$ ("#contul ul"). html ("");
$ ("#contul"). Hide ();
$ ("#cont"). Show ();
$ ("#top span"). FIND ("a"). Removeclass ("active");
$ ("#top span:eq (0)"). Find ("a"). AddClass ("active");
}
Detecting final characters
function Checkcode (getparme) {
if (getparme!=null) {
Getparme=getparme.touppercase ();
var codenum=getparme.charcodeat (0)
}
if (codenum>=65&&codenum<=91) {
$ ("#top span"). FIND ("a"). Removeclass ("active");
Alert ((codenum-64));
$ ("#top Span:eq (" + (codenum-64) + ")"). Find ("a"). AddClass ("active");
$ ("#cont"). HTML ("");
$ ("#cont"). Hide ();
$ ("#contul"). Find ("UL"). html ("");
Runajaxgetcode (Getparme);
}else{
Setdefaultpage ();
}
}
Performing AJAX operations
function Runajaxgetcode (getparme) {
$ ("#cont"). Fadeout (' Fast ', function () {
$.ajax ({
Cache:false,
Type: ' Get ',
URL: ' Sxml/searchbyword ' +getparme+ '. xml ',
Beforesend:function (XMLHttpRequest) {
$ (' <div class= quick-alert ' > Data loading, please </div> ' later)
. InsertBefore ($ ("#cont"))
. Fadein (' slow ');
},
Success:function (data,textstatus) {
$ ("#contul"). Show (). FIND ("UL"). html ("");
$ (". Quick-alert"). Fadeout (' Slow ', function () {
$ (this). Remove ();
$ ("item", data). Each (function (i, Domele) {
$ ("#contul ul"). Append ("<li><a href= '" +$ (Domele). Children ("link"). Text () + "' >" +getparme+ ": +$ (Domele) . Children ("title"). Text () + "</a></li>");
if (($ (this). Index ()-6)%6==0) {
$ ("#contul ul"). Append ("<div class= ' Clear ' ></div>");
}
});
});
},
Error:function () {
Alert ("Sorry, data acquisition failed, please F5 refresh the page and try again if the problem persists please contact the site administrator to resolve it.") ");
}
});
// });
}
Get parameters
function Getparmeter () {
Getparme=getquerystring (Urlparem, ' #网页特效 =tagcode ("', ', ', ') ');
Checkcode (Getparme);
}
Getparmeter ();
Click Trigger
$ ("#top span:gt (0)"). Click (function () {
$ (". Quick-alert"). Remove ();
});
Class
$.history.init (function (URL) {
Load (url = ""?) 1 ": URL);
if (url.length>0) {
Getparme=getquerystring (URL, ' Javascript=tagcode ("', ', ', ') ');
if (getparme!=null) {
Getparme=getparme.touppercase ();
Checkcode (Getparme);
}
}
else{
Setdefaultpage ();
}
});
Other actions on the page
var getparme;
function Gethash () {
var curhash = Location.hash;
alert (Curhash);
//}
var Urlparem;
Urlparem=document.location.href;
var tophtml;
var tophtmllink= "";
var $_objtop;
$_objtop=$ ("#top")
Tophtml=$_objtop.html ();
for (var i=65;i <91;i++)
{
tophtmllink+= "<span><a href= ' #javascript =tagcode (" "+ (String.fromCharCode (i+32)) +" ") ' > ' + String.fromCharCode (i) + "</a></span>";
}
$_objtop.html (Tophtml+tophtmllink);

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