Javascript page word search JS

Modified based on Jquery. The following are all scripts: Copy codeThe Code is as follows: // search by word
Var GLS = {};
GLS. startObj = null;
GLS. isdb = false;
GLS. allow = true;
GLS. isallow = function (){
If (GLS. allow ){
GLS. allow = false;
Alert ('Google search disabled ');
}
Else {
GLS. allow = true;
Alert ('opened by Google search ');
}
};
GLS. dblclick = function (){
GLS. isdb = true;
};
GLS. mousedown = function (evt ){
Evt = (evt )? Evt: (window. event )? Window. event :"");
If (evt ){
GLS. startObj = (evt.tar get )? Evt.tar get: evt. srcElement;
}
};
GLS. mouseup = function (evt ){
Var obj;
Var strlen;
Evt = (evt )? Evt: (window. event )? Window. event :"");
If (evt ){
Obj = (evt.tar get )? Evt.tar get: evt. srcElement;
Strlen = window. getSelection? Window. getSelection (). toString (): document. selection. createRange (). text;
}
Var str = "";
If (obj. tagName! = "A" & obj. tagName! = "INPUT" & obj = GLS. startObj &&! GLS. isdb & GLS. allow ){
If (strlen. length> 0 ){
Str = strlen;
}
}
GLS. search (str, evt );
GLS. isdb = false;
};
GLS. search = function (str, evt ){
Var obj = $ ("# GLSearch ");
Var sDivWidth = 88; // The width of the search box "Google Search"
If (str. toString (). length> 0 ){
Var implements wwidth; // window width
// Obtain the window width
If (self. innerWidth ){
Required wwidth = self. innerWidth;
} Else if (document.doc umentElement & document.doc umentElement. clientWidth ){
Required wwidth = document.doc umentElement. clientWidth;
} Else if (document. body ){
Required wwidth = document. body. clientWidth;
}
Obj.css ({'display': 'block', 'position': 'absolte', 'zindex': '20140901 '});
Var rX, rX, wT;
If ($. browser. msie ){
WT = (evt. clientX + sDivWidth)-required wwidth;
RY = document.doc umentElement. scrollTop + evt. clientY;
RX = document.doc umentElement. scrollLeft + evt. clientX;
RY = (evt. clientY <25 )? RY + 5: rY-25;
RX = (wT> 0 )? RX-wT: rX + 5;
}
Else {
Var sT = (document.doc umentElement. scrollTop> 0 )? Document.doc umentElement. scrollTop: document. body. scrollTop;
WT = (evt. pageX + sDivWidth)-required wwidth;
RY = (evt. pageY-sT) <25 )? Evt. pageY + 5: evt. pageY-25;
RX = (wT> 0 )? Evt. pageX-wT: evt. pageX + 5;
}
Obj.css ("top", rY );
Obj.css ("left", rX );
Obj.html ("<a class = 'Gl _ s' target = '_ blank' href = 'HTTP: // www.google.com/search? Ie = UTF-8 & oe = UTF-8 & q = "+ encodeURIComponent (str) +" '> Google search </a> ");
}
Else {
Obj.css ("display", "none ");
}
};

// Page loading
$ (Document). ready (function (){
$ (Document. body). append ("<div id = 'glsearch'> </div> ");
$ (Document). mousedown (GLS. mousedown). dblclick (GLS. dblclick). mouseup (GLS. mouseup );
});

Attach CSS/* search */Copy codeThe Code is as follows:. GL_s {width: 68px; height: 20px; display: block; border: solid 1px #2b7ab7; line-height: 20px; padding-left: 18px; color: #084f10; font-size: 12px; font-weight: bold; background: url(search.gif) no-repeat left; text-decoration: none ;}
A. GL_s: link {filter: alpha (opacity = 71);-moz-opacity: 0.7; opacity: 0.7 ;}
A. GL_s: hover {filter: alpha (opacity = 100);-moz-opacity: 1.0; opacity: 1.0 ;}