//-------------------------------------------------------------------------
//exemples : al final de la pàgina carregar : 
//  <script language="JavaScript">
//  <!--
//  preload('imageA','images/imageA.gif')
//  preload('imageB','images/imageB.gif')
//  //-->
//  </script>
//-------------------------------------------------------------------------
function preload(imgObj,imgSrc) {
if (document.images) {
    eval(imgObj+' = new Image()')
    eval(imgObj+'.src = "'+imgSrc+'"')
}
}
//-------------------------------------------------------------------------
//exemple (1): 
//  <a href="javascript:changeImage('imgDiv','myImg','imageA')">Change to imageA</a><br>
//  <a href="javascript:changeImage('imgDiv','myImg','imageB')">Change to imageB</a>
//  <div id="imgDiv">
//  <img name="myImg" src="../../images/misc/imageA.gif" border=0>
//  </div>
//exemple (2): 
//  <div id="imgDiv">
//  <a href="javascript:void(null)"
//  onMouseOver="changeImage('imgDiv','myImg','imageB')"
//  onMouseOut="changeImage('imgDiv','myImg','imageA')">
//  <img name="myImg" src="../../images/misc/imageA.gif" border=0>
//  </a>
//  </div>
//-------------------------------------------------------------------------
function changeImage(layer,imgName,imgObj) {
if (document.images) {
if (document.layers && layer!=null) eval('document.'+layer+'.document.images["'+imgName+'"].src = '+imgObj+'.src')
else document.images[imgName].src = eval(imgObj+".src")
}
}
//---------------------------------------------------------- referencies ---
// Copyright (C) 1999 Dan Steinman
// Distributed under the terms of the GNU Library General Public License
// Available at http://www.dansteinman.com/dynapi/
//-------------------------------------------------------------------------	
// Cookie Functions
// save/read/delete cookie functions for storing small chunks of data in the browser
// 19990326

// Copyright (C) 1999 Dan Steinman
// Distributed under the terms of the GNU Library General Public License
// Available at http://www.dansteinman.com/dynapi/

// thanks to: Jesee Chisholm <JCHISHOLM@SENSORMATIC-VPD.com>

function saveCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000))
		var expires = "; expires="+date.toGMTString()
	}
	else expires = ""
	document.cookie = name+"="+value+expires+"; path=/"
}
function readCookie(name) {
	var nameEQ = name + "="
	var ca = document.cookie.split(';')
	for(var i=0;i<ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length)
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length)
	}
	return null
}
function deleteCookie(name) {
	saveCookie(name,"",-1)
}