I found this script that do just that, the code goes below:
/* Here is where all the magic happens.
Just enter as many additional pages that
that you want to search, then fill in the
additional listings for each page.
*/
// "Page Name","path","Page Title","Many,Key,Words","Descriptive Comments"
c=0; item[c]=new
Array("index.html","","DemoSite","index,main,start,home,front","Demonstration
search engine data about an imagined but probable internet site.");
c++; item[c]=new Array("about.htm","","About
Me","about,author,contact,email,who","Contact details and general
information about the creator of the site and what the site is about.");
c++; item[c]=new Array("links.htm","","Links
page","links,more,where,similar,friends","Links to my favourite sites which
I find interesting. Other friends sites which have similar interests to my
own.");
c++; item[c]=new Array("main.htm","main/","Main
Page","content,main,focus","The main part of my site which contains what you
have come to see. Lots of stuff like that and more great things. All in a
sub directory.");
c++; item[c]=new Array("logo.jpg","main/images/","Link
Logo","link,image,logo,graphic","The logo.jpg is just a small image which
you can place on your site as a link to me. It's in a second level
subdirectory.");
page="<html><head><title>Search Results</title></head><body
bgcolor='white'><center><table border=0 cellspacing=10 width=80%>";
function search(frm) {
win = window.open("","","scrollbars");
win.document.write(page);
txt = frm.srchval.value.split(" ");
fnd = new Array(); total=0;
for (i = 0; i < item.length; i++) {
fnd
= 0; order = new Array(0, 4, 2, 3);
for (j = 0; j < order.length; j++)
for (k = 0; k < txt.length; k++)
if (item[order[j]].toLowerCase().indexOf(txt[k]) > -1 && txt[k] != "")
fnd += (j+1);
}
for (i = 0; i < fnd.length; i++) {
n = 0; w = -1;
for (j = 0;j < fnd.length; j++)
if (fnd[j] > n) { n = fnd[j]; w = j; };
if (w > -1) total += show(w, win, n);
fnd[w] = 0;
}
win.document.write("</table><br>Total found: "+total+"<br></body></html>");
win.document.close();
}
function show(which,wind,num) {
link = item[which][1] + item[which][0];
line = "<tr><td><a href='"+link+"'>"+item[which][2]+"</a> Score:
"+num+"<br>";
line += item[which][4] + "<br>"+link+"</td></tr>";
wind.document.write(line);
return 1;
}
</script>
</HEAD>
<BODY>
<center>
<form method=get action="javascript:void(0)" onsubmit="search(this); return
false;">
<tr><td><input type=text name=srchval value=""><input type=submit
value="Search"></td></tr>
</form>
</center>
</body>