内部搜索脚本

下面框中为脚本显示区

脚本说明：

把如下代码加入<body>区域中:

<!--

var tname= new Array ();

// ------------------------

// Enter DATA HERE !!

// ------------------------

tname[0]="Yahoo;www.yahoo.com";

tname[1]="Infoseek;www.infoseek.com";

tname[2]="Lycos;www.lycos.com";

tname[3]="WebCrawler;www.webcrawler.com";

tname[4]="Trovator;trovator.combios.es";

tname[5]="BIWE;biwe.cesat.es";

tname[6]="Ole;www.ole.es";

tname[7]="Fantastico;www.fantastico.com";

tname[8]="SOL;www.sol.es";

tname[9]="donde;donde.uji.es";

tname[10]="Telepolis;www.telepolis.com";

tname[11]="El Cano;www.elcano.com";

// ------------------------

function QuickSort (vec) {

// ----------------------------------------

// Algoritmo QuickSort 1.0 vs. JavaScript

// Guillermo BT

// ----------------------------------------

orderedVec= Ordenar (vec,0,vec.length-1);

return orderedVec

}

function Order (vec,iz,de) {

// ------------------------------------------------------------

// Order (subfuncion de QuickSort)

// PARAMETERS (IN):

//   *vec*      : vector to Order (Array object)

//   *iz*       : lower bound (typically 0)

//   *de*       : upper bound (typically array.length-1)

// OUT: returns the ordered vector (lexicographic order)

// ------------------------------------------------------------

var i=iz;

var j=de;

var x= vec[Math.round((iz+de)/ 2)];

while (i<=j) {

while (vec[i]<x) {i++};

while (vec[j]>x) {j--};

if (i<=j) {

var w= vec[i];

vec[i]= vec[j];

vec[j]= w;

i++;

j--;

}

if (iz<j) Order(vec,iz,j);

if (i<de) Order(vec,i,de);

return vec;

}

function Vector2URL (elem, separation) {

var cArray= elem.split(separation);

var url="<a href=http://"+cArray[1]+">";

//alert (url);

v.document.write ("<li>",cArray[0].fontcolor('red'));

v.document.write (" haves ",url,"web</a> page<br>");

}

function ShowEntries (vec) {

v= window.open ('jv_sor2b.html','ventana', 'scrollbars=1,width=400,height=220');

v.document.write ("<b>Available entries:</b><br><ul>");

var i = 0;

n=vec.length;

if (n != 0) {

while (i<n) {

Vector2URL(vec[i], ';');

i++

}

v.document.write ("</ul>");

v.document.write ("<form><input type=button value=Close onClick='self.close()'></form>");

}

function Manage (vector) {

if (vector.length==0) {

alert ("No entries were found!");

}

else {

alert ("Let's do it!");

ShowEntries (vector);

}

function Search (strng, vector) {

// ----------------------------------------

// Search 1.0-EN vs. JavaScript

// Guillermo BT

// ----------------------------------------

// IN:

// *strng*  : string to search

// *vector* : Array object whose elements have the format:

//            "<name>;<web_page_URL>"

// OUT:

// returns an Array with those elements whose <name> field

// contains the *strng* string (substrings are allowed too)

// ---------------------------------------------------------------

var i=0; var j=0;

var array2= new Array();

while (i<(vector.length)) {

var cArray= vector[i].split(';');

nStr=new String (cArray[0]);

idx=nStr.toLowerCase().indexOf(strng);

if (idx != -1) {

array2[j]= vector[i];

j++

}

i++

}

return array2

}

// -->

</script>

<th colspan=2>Access to data:

<td bgcolor=lightgreen><b>order</b>

<td>

<input type=button value="Chronological" name=botMostrar

onClick="ShowEntries(tname)">

<input type=button value="Alphabetical" name=botOrder

onClick="tname.sort(); ShowEntries(tname)">

<td bgcolor=lightgreen><b>Search</b>

<td>

<input type=button value="similar words" name=botSearch

onClick="

if (this.form.who.value=='') {

alert ('You must enter something to search!')

}

else {

valor=Search(this.form.who.value.toLowerCase(), tname);

Manage (valor)

}">

</table>

</FORM>