<! Doctype HTML public "-// W3C // dtd html 4.01 transitional // en"
Http://www.w3.org/TR/html4/loose.dtd>
<HTML>
<Head>
<Meta http-equiv = "Content-Type" content = "text/html; charset = gb2312">
<SCRIPT>
// Define popup
VaR op = Window. createpopup ();
Op.doc ument. Body. style. Background = "beige ";
// Whether popup is displayed
VaR opshow = 0;
VaR linecharcount = 20;
VaR linecount = new number (0 );
VaR subline = new string ();
Function showtitle (OBJ ){
VaR H = event. offsety;
VaR fontsize = (obj. style. fontsize = ""? (Obj. currentstyle. fontsize = ""? "9": obj. currentstyle. fontsize): obj. style. fontsize );
Fontsize = parseint (fontsize) * 1.6;
VaR L = parseint (H/fontsize );
If (null! = Obj. Options [l]) {
Linecount = 0;
Subline = obj. Options [l]. text;
Op.doc ument. Body. innertext = "";
Do {
If (subline. length> linecharcount ){
Op.doc ument. Body. innerhtml + = subline. substr (0, linecharcount) + "<br> ";
Subline = subline. substr (linecharcount, subline. Length-linecharcount );
Linecount + = 1;
}
} While (subline. length> linecharcount)
Op.doc ument. Body. innerhtml + = subline;
Linecount + = 1;
Len = linecharcount * 8;
Op. Show (event. offsetx + 20, event. offsety + fontsize + 5, Len, linecount * (fontsize + 2), document. Body );
Opshow = 1;
}
}
Function hidetitle (OBJ ){
If (opshow = 1) op. Hide ();
}
</SCRIPT>
<Title> untitled document </title>
</Head>
<Body>
<Form name = "form1" method = "Post" Action = "">
<Div id = div1 style = "overflow: auto; width: 100px;">
<Select name = S1 size = 7 style = "width: 120; Height: 60%" onmousemove = "showtitle (this);" onmouseout = "hidetitle (this);">
<Option> aaaaaaaaaaaaaaaaaaaaaa1
<Option> 012345678901234567899876543210987654321074102589637410258963963258741096328574107896321450789632145098741236509874123650
<Option> ccccccccccccccccccccccccpc3
<Option> ddddddddddddddddddddddddddddd1
<Option> eeeeeeeeeeeeeeeeeeeeeeeeeeeeeee1
<Option> fffffffffffffffffffffffffff1
</SELECT>
</Div>
</Form>
</Body>
</Html>
