Menus & Navigation
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<?
// nayco@netcourrier.com , http://nayco.free.fr
function JS($code) // enclose the JavaScript code .
{
if (!empty($code))
echo "<script language="javascript">n<!--n$coden//-->n</script>n";
}
class roll_over
{
var $caption;
var $image;
var $url;
var $ext;
var $roll_liste=array();
var $roll_started=0;
function roll_over($name="",$caption="vide",$image="none",$url="#",$ext="0") //constructor.
{
global $roll_liste;
$this->name=$name;
$this->image=$image;
$this->caption=$caption;
$this->url=$url;
$this->ext=$ext;
$roll_liste[]="'images/".$image."2.gif'";
}
function start() // Writes the JS functions (copied from dreamweaver ???).
{
global $roll_started;
$code= <<<FDT
function MM_preloadImages() { //v3.0
var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}
function MM_swapImgRestore() { //v3.0
var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}
function MM_findObj(n, d) { //v3.0
var p,i,x; if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document); return x;
}
function MM_swapImage() { //v3.0
var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
FDT;
if (!$roll_started)
{
$roll_started=1;
JS($code);
}
} // end of start_rollover.
function liste() displays the 'onload' line.
{
global $roll_liste;
$out="onload="MM_preloadImages(";
$out.=implode(",",$roll_liste);
$out.=");"";
echo $out;
}
function affiche() //displays the rollover'ed link
{
if ($this->ext)
$ext=" target="_blank"";
echo "
<a href="$this->url" onMouseOut="MM_swapImgRestore()" onMouseOver="MM_swapImage('$this->name','','images/".$this->image."2.gif',1)"$ext>
<img src="images/".$this->image.".gif" width="42" height="24" border="0" alt="$this->caption" name="$this->name"><br>$this->caption</a>
";
}
} // end of roll_over class
?>
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Usage Example
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constructor use :
$foo_roll=new roll_over(JSname, link_caption", image_name_Wout_ext, link_url, external_link=1||internal=0);
example :
include ("the_above_script.php3");
$first_roll=new roll_over("first","first caption","image_name_without_ext","http://url.com",1);
$second_roll=new roll_over("second","Test","events","http://luxregina.free.fr");
$contact_roll=new roll_over("contact","Email me","email","mailto:nayco@netcourrier.com");
roll_over::start(); // displays JS functions.
$second_roll->start(); //does nothing... already done with the above line.
$contact_roll->start(); //idem
?>
<html>
<body <?php $first_roll->liste(); ?>> //'onload'
<h1 align='center'>Hellorghhh, World !!!</h1>
<table>
<tr><td><?php $first_roll->affiche(); ?></td></tr>
<tr><td><?php $second_roll->affiche(); ?></td></tr>
<tr><td><?php $contact_roll->affiche(); ?></td></tr>
</table>
</body>
</html>
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